CN105468069B - Automatic potential drop compensation system, potential controller, and automatic circuit configuration and wiring method - Google Patents
Automatic potential drop compensation system, potential controller, and automatic circuit configuration and wiring method Download PDFInfo
- Publication number
- CN105468069B CN105468069B CN201410414452.4A CN201410414452A CN105468069B CN 105468069 B CN105468069 B CN 105468069B CN 201410414452 A CN201410414452 A CN 201410414452A CN 105468069 B CN105468069 B CN 105468069B
- Authority
- CN
- China
- Prior art keywords
- transistor
- coupled
- node
- control terminal
- potential
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 239000003990 capacitor Substances 0.000 claims description 29
- 230000005611 electricity Effects 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 241000208340 Araliaceae Species 0.000 claims 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims 1
- 235000003140 Panax quinquefolius Nutrition 0.000 claims 1
- 235000008434 ginseng Nutrition 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 10
- 230000005669 field effect Effects 0.000 description 10
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Logic Circuits (AREA)
- Electronic Switches (AREA)
Abstract
A kind of automatic potential drop compensation system a, comprising: voltage-stablizer and a potentiometric controller.The voltage-stablizer is coupled to a reference potential, and provides an output current potential in an output node according to the reference potential.The potentiometric controller detects a reception current potential of a receiving node of a remote circuitry, if wherein the reception current potential subtracts one first difference less than the reference potential, then the potentiometric controller charges to the receiving node to improve the reception current potential, if the reception current potential is increased to the reference potential after being charged and subtracts one second difference, potentiometric controller stopping charges to the receiving node.Wherein the receiving node of the remote circuitry is coupled to the output node via a transmission path, and the transmission path has a resistance value.
Description
Technical field
The present invention relates to a kind of potential drop compensation system, especially with regard to can make up be routed in circuit transmission loss from
Compensation system drops in electrokinetic potential.
Background technique
In traditional circuit layout, single power supply power supply unit usually must be coupled to different circuit units by various wirings,
Wherein, some circuit units are closer with power supply unit, and some circuit units and power supply unit distance are farther out.
For apart from the farther away circuit unit of power supply unit, since the wiring that it is connected is very long, wiring itself
Resistance and the electric current that flows through the potential drop (Voltage Drop) that can not ignore will be generated because of Ohm's law.This potential drop
The current potential of actual provision to circuit unit can be changed, and then may be decreased the working performance of circuit unit.
Summary of the invention
In order to solve the defect of prior art, in the preferred embodiment, the present invention provides a kind of automatic potential drop compensation system
System a, comprising: voltage-stablizer is coupled to a reference potential, and provides an output current potential in an output node according to the reference potential；
And a potentiometric controller, detect a receiving node of a remote circuitry one receives current potential, wherein if the reception current potential is less than
The reference potential subtracts one first difference, then the potentiometric controller charges to the receiving node to improve reception electricity
Position, if the reception current potential is increased to the reference potential after being charged and subtracts one second difference, which stops
It charges to the receiving node, wherein the receiving node of the remote circuitry is coupled to the output section via a transmission path
Point, and the transmission path has a resistance value.
In some embodiments, which includes: a capacitor, is coupled to the receiving node and a ground nodes
Between；One switch is coupled between a power supply node and the receiving node；And a comparator, according to the reception current potential, choosing
Be turned on or off to selecting property the switch.In some embodiments, if the reception current potential touch the reference potential subtract this first
Difference, then the switch, which is connected, in the comparator makes the capacitor be charged according to the power supply node, and if the reception current potential
The reference potential is touched after the capacitor is charged and subtracts one second difference, then the comparator disconnects the switch to stop
It only charges to the capacitor, wherein first difference is greater than second difference
In some embodiments, which includes: a first transistor, and wherein a control terminal of the first transistor is used
In receiving the reception current potential, a first end of the first transistor is coupled to the ground nodes, and the 1 of the first transistor the
Two ends are coupled to one and compare output node；One second transistor, wherein a control terminal of the second transistor is coupled to one and compares
Internal node, a first end of the second transistor is coupled to the ground nodes, and a second end of the second transistor couples
To the comparison output node；One third transistor, wherein a control terminal of the third transistor is coupled to the comparison output node,
One first end of the third transistor is coupled to the ground nodes, and a second end of the third transistor be coupled to this relatively in
Portion's node；One the 4th transistor, wherein a control terminal of the 4th transistor is for receiving the reference potential, the 4th transistor
A first end be coupled to the ground nodes, and a second end of the 4th transistor is coupled to the comparison internal node；One
Five transistors, wherein a control terminal of the 5th transistor is coupled to the comparison internal node, and the one first of the 5th transistor
End is coupled to the power supply node, and a second end of the 5th transistor is coupled to the comparison output node；And one the 6th is brilliant
Body pipe, wherein a control terminal of the 6th transistor is coupled to the comparison output node, a first end coupling of the 6th transistor
It is connected to the power supply node, and a second end of the 6th transistor is coupled to the comparison internal node.
In some embodiments, which includes: a phase inverter, and wherein an input terminal of the phase inverter is coupled to the ratio
Compared with output node；And one the 7th transistor, wherein a control terminal of the 7th transistor is coupled to an output of the phase inverter
End, a first end of the 7th transistor is coupled to the power supply node, and a second end of the 7th transistor is coupled to the electricity
Container.In some embodiments, which includes: an operational amplifier, wherein a first input end of the operational amplifier
It is coupled to the output node, and one second input terminal of the operational amplifier is for receiving the reference potential；And one the 8th is brilliant
Body pipe, wherein a control terminal of the 8th transistor is coupled to an output end of the operational amplifier, and the one of the 8th transistor
First end is coupled to the power supply node, and a second end of the 8th transistor is coupled to the output node；And a resistor,
It is coupled between the output node and the ground nodes.
In a further preferred embodiment, the present invention provides a kind of potentiometric controller, comprising: a capacitor is coupled to one and connects
It receives between node and a ground nodes；One switch is coupled between a power supply node and the receiving node；And one compare
Device receives current potential according to the one of the receiving node, selectively turns on or disconnect the switch.
In another embodiment, the present invention provides a kind of circuit and automatically configures and wiring method, including the following steps:
A resistance value of the detection comprising at least voltage-stablizer transmission path in a circuit layout of an at least voltage-stablizer；And when this is steady
The resistance value of depressor transmission path is greater than a critical resistance value, then to the specific voltage-stablizer transmission path in the circuit layout
Automatically configure a potentiometric controller, wherein the potentiometric controller includes: a capacitor, is coupled to a receiving node and a ground connection
Between node；One switch is coupled between a power supply node and the receiving node；And a comparator, according to the reception section
The one of point receives current potential, selectively turns on or disconnect the switch, wherein the receiving node is via the voltage-stablizer transmission path
It is coupled to the voltage-stablizer.
Detailed description of the invention
Fig. 1 shows the schematic diagram of automatic potential drop compensation system described in an embodiment according to the present invention；
Fig. 2 shows the schematic diagram of potentiometric controller described in an embodiment according to the present invention；
Fig. 3 A shows the input-output characteristic figure of comparator described in an embodiment according to the present invention；
Fig. 3 B shows the input and output sequential chart of comparator described in an embodiment according to the present invention；
Fig. 4 shows the circuit diagram of potentiometric controller described in an embodiment according to the present invention；
Fig. 5 shows the circuit diagram of voltage-stablizer described in an embodiment according to the present invention；And
Fig. 6 shows that circuit described in an embodiment according to the present invention automatically configures the flow chart with wiring method.
Wherein, appended drawing reference:
100~automatic potential drop compensation system；
110~band-gap circuit；
120~voltage-stablizer；
122~operational amplifier；
124~resistor；
125~transmission path；
130~remote circuitry；
140~potentiometric controller；
142~capacitor；
144~switch；
146~comparator；
INV~phase inverter；
NCE~compare output node；
NCN~compare internal node；
NE~output node；
NR~receiving node；
NVDD~power supply node；
NVSS~ground nodes；
M1~the first transistor；
M2~second transistor；
M3~third transistor；
The transistor of M4~the 4th；
The transistor of M5~the 5th；
The transistor of M6~the 6th；
The transistor of M7~the 7th；
The transistor of M8~the 8th；
T1~first time point；
The time point of T2~second；
T3~third time point；
VC~controlling potential；
VE~output current potential；
VR~reception current potential
VREF~reference potential；
The difference of Δ VL~first；
The difference of Δ VH~second.
Specific embodiment
For objects, features and advantages of the present invention can be clearer and more comprehensible, specific embodiments of the present invention are cited below particularly out,
And cooperate institute's accompanying drawings, it is described in detail below.
Fig. 1 shows the schematic diagram of automatic potential drop compensation system 100 described in an embodiment according to the present invention.Such as Fig. 1 institute
Show, automatic potential drop compensation system 100 includes: a band-gap circuit 110 (Bandgap Circuit), a voltage-stablizer
(Regulator) 120, one remote circuitry 130 and a potentiometric controller 140.In some embodiments, band-gap circuit 110 mentions
For a reference potential VREF (such as 1.2V)；In other embodiments, reference potential VREF can be provided by other circuits.This field
Technical staff is able to use well known band-gap circuit or other circuits and provides the purpose of a reference potential to reach.Voltage-stablizer 120
It is coupled to band-gap circuit 110, there is stabilizing the output voltage for the ability for driving next stage circuit to provide, and in an output section
Point NE provides an output current potential VE.In some embodiments, output current potential VE is equal to reference potential VREF.In general, band gap
Circuit 110 be only capable of provide voltage output without have driving capability, but voltage-stablizer 120 can provide simultaneously voltage and current output with
Drive next stage circuit.Remote circuitry 130 can be the independent circuits unit of any kind, such as: a phase-locked loop (Phase-
Locked Loop, PLL), an analog-digital converter (Analog-to-Digital Converter, ADC) or a low pressure
Differential signal (Low-Voltage Differential Signaling, LVDS) circuit.Voltage-stablizer 120 can supply output electricity
Position VE is to remote circuitry 130.More specifically, remote circuitry 130 has a receiving node NR, and wherein remote circuitry 130 connects
Receive the output node NE that node NR is coupled to voltage-stablizer 120 via a transmission path 125.Transmission path 125 can be long-pending body electricity
A metal line in road or on system circuit board because its length is longer, therefore has the resistance value that can not ignore.Current potential control
Device 140 processed is used to detect a reception current potential VR of receiving node NR.Subtract if receiving current potential VR and being less than or equal to reference potential VREF
One first difference DELTA VL is removed, then potentiometric controller 140 charges to receiving node NR, receives current potential VR to improve it.?
Under this design, even if remote circuitry 130 is coupled to voltage-stablizer 120 via longer transmission path 125, potentiometric controller 140 is still
Can ensure that the reception current potential VR of receiving node NR not the resistance value of reason transmission path 125 and glide too many, and then can maintain remote
The normal working performance of terminal circuit 130.
Following embodiment will illustrate the embodiment of each block diagram component of the present invention respectively, it has to be understood that, this
A little embodiments, which are only for example, to be used, and the present invention is not intended to limit.
Fig. 2 shows the schematic diagram of potentiometric controller 140 described in an embodiment according to the present invention.In the embodiment of fig. 2,
Potentiometric controller 140 includes: a capacitor 142, a switch 144 and a comparator 146.Capacitor 142 is coupled to reception
Between node NR and a ground nodes NVSS, wherein ground nodes NVSS can have an earthing potential (such as: 0V).Capacitor
142 can be used for storing charge, and filter out the high-frequency noise into receiving node NR.Switch 144 is coupled to a power supply node
Between NVDD and receiving node NR, wherein power supply node NVDD can have an operating potential (such as: 3V).Switch 144 can be with
As an access or an open circuit, to control the charged state of capacitor 142.Comparator 146 is electric according to the reception of receiving node NR
Position VR, generates a controlling potential VC, to selectively turn on or disconnect switch 144.
Fig. 3 A shows the input-output characteristic figure of comparator 146 described in an embodiment according to the present invention, wherein horizontal axis generation
The input value (such as: receiving current potential VR) of table comparator 146, and the longitudinal axis represent comparator 146 output valve (such as: control electricity
Position VC).In the embodiment in fig. 3 a, comparator 146 has hysteresis characteristic (Hysteresis loop).More specifically, when it
Output valve is high logic level, and when its input value is gradually increased and touches a high critical potential, will lead to its output valve by height
Logic level switches to low logic level；Conversely, when its output valve is low logic level, and its input value is gradually decreased and is touched
When one low critical potential, it will lead to its output valve by low logic level and switch supreme logic level.In some embodiments, aforementioned
Low critical potential can be equal to reference potential VREF subtract the first difference DELTA VL (such as: 1.2V-0.02V=1.18V), and aforementioned
High critical potential can be equal to reference potential VREF subtract one second difference DELTA VH (such as: 1.2V-0.01V=1.19V), wherein
First difference DELTA VL is greater than the second difference DELTA VH.
Fig. 3 B shows the input and output sequential chart of comparator 146 described in an embodiment according to the present invention, wherein horizontal axis generation
The table time, and the longitudinal axis represent comparator 146 input value (such as: receiving current potential VR) and output valve (such as: controlling potential VC).
At the beginning, off state is presented in switch 144.When a first time point T1, pass through the transmission path 125 of remote circuitry 130
Electric current start to increase so that the reception current potential VR of remote circuitry 130 starts to be gradually reduced.When one second time point T2, connect
Receipts current potential VR touches reference potential VREF and subtracts the first difference DELTA VL, at this point, comparator 146 is to switch to export high logic level
Controlling potential VC, switch 144 is connected.When switch 144 is connected, power supply node NVDD fills capacitor 142
Electricity is gradually increased so that receiving current potential VR.When a third time point T3, receives current potential VR and touch reference potential VREF and subtract the
Two difference DELTA VH, at this point, comparator 146 is the controlling potential VC for switching output low logic level, to disconnect switch 144.When
When switch 144 disconnects, capacitor 142 is not recharged, so that receiving current potential VR maintains acceptable high levels, and can be with
Without always charging capacitor 142 to achieve the purpose that power saving.
Fig. 4 shows the circuit diagram of potentiometric controller 140 described in an embodiment according to the present invention.In the fig. 4 embodiment,
Comparator 146 includes: a first transistor M1, a second transistor M2, a third transistor M3, one the 4th transistor M4, one
5th transistor M5 and one the 6th transistor M6.For example, the first transistor M1, second transistor M2, third transistor
M3 and the 4th transistor M4 can be N-type metal-oxide half field effect transistor (N-type Metal-Oxide-Semiconductor
Field-Effect Transistor), and the 5th transistor M5 and the 6th transistor M6 can be p-type OH crystal
It manages (P-type Metal-Oxide-Semiconductor Field-Effect Transistor).Although being in the present invention
As an example with metal-oxide half field effect transistor (MOSFET), but under this field prior art person principle according to the present invention can also make
Replaced with other types of transistor, such as junction field effect transistor (junction gate field-effect
Transistor, JFET), metal semiconductor field-effect transistor (metal-semiconductor field effect
Transistor, MESFET) or bipolar junction transistors (bipolar junction transistor, BJT).First
A control terminal of transistor M1 is coupled to ground nodes for receiving current potential VR, a first end of the first transistor M1
NVSS, and a second end of the first transistor M1 is coupled to one and compares output node NCE, wherein comparing output node NCE can use
In output controlling potential VC.A control terminal of second transistor M2 is coupled to one and compares internal node NCN, second transistor M2's
One first end is coupled to ground nodes NVSS, and a second end of second transistor M2 is coupled to and compares output node NCE.Third
A control terminal of transistor M3, which is coupled to, compares output node NCE, and a first end of third transistor M3 is coupled to ground nodes
NVSS, and a second end of third transistor M3 is coupled to and compares internal node NCN.A control terminal of 4th transistor M4 is used for
Reference potential VREF is received, a first end of the 4th transistor M4 is coupled to ground nodes NVSS, and the one of the 4th transistor M4
Second end, which is coupled to, compares internal node NCN.A control terminal of 5th transistor M5, which is coupled to, compares internal node NCN, and the 5th
A first end of transistor M5 is coupled to power supply node NVDD, and a second end of the 5th transistor M5 is coupled to and compares output section
Point NCE.A control terminal of 6th transistor M6, which is coupled to, compares output node NCE, the first end coupling of the 6th transistor M6
To power supply node NVDD, and a second end of the 6th transistor M6 is coupled to and compares internal node NCN.Under this design, compare
Device 146 can produce B-H loop shown in Fig. 3 A.In some embodiments, if the crystalline substance of second transistor M2 and third transistor M3
Body pipe size is bigger, then the difference of the high critical potential and low critical potential of comparator 146 will be bigger (also that is, Δ VH- Δ VL
Increase, and the width of B-H loop hollow portion increases)；Conversely, if the transistor of second transistor M2 and third transistor M3
Size is smaller, then the difference of the high critical potential and low critical potential of comparator 146 will be smaller (also that is, Δ VH- Δ VL subtracts
It is small, and the width of B-H loop hollow portion reduces), therefore by the transistor of adjustment second transistor M2 and third transistor M3
The high critical potential and low critical potential of the adjustable comparator 146 of size.
In the fig. 4 embodiment, switch 144 includes: a phase inverter INV and one the 7th transistor M7.For example,
Seven transistor M7 can be p-type metal-oxide half field effect transistor.An input terminal of phase inverter INV is coupled to the comparison of comparator 146
Output node NCE, to receive controlling potential VC.A control terminal of 7th transistor M7 is coupled to an output end of phase inverter INV,
A first end of 7th transistor M7 is coupled to power supply node NVDD, and a second end of the 7th transistor M7 is coupled to capacitor
142 and remote circuitry 130 receiving node NR.Under this design, if controlling potential VC is high logic level, the 7th transistor
M7 conducting, and capacitor 142 charges；Conversely, the 7th transistor M7 is breaking if controlling potential VC is low logic level,
And capacitor 142 stops charging.
Fig. 5 shows the circuit diagram of voltage-stablizer 120 described in an embodiment according to the present invention.In the 5 embodiment of figure 5, pressure stabilizing
Device 120 includes: that 122, one resistor 124 and one the 8th of an operational amplifier (Operational Amplifier, OP) is brilliant
Body pipe M8.For example, the 8th transistor M8 can be p-type metal-oxide half field effect transistor, and the transistor of the 8th transistor M8
Size makes it be enough to drive next stage circuit through design.One first input end of operational amplifier 122 is coupled to output node NE,
And one second input terminal of operational amplifier 122 is for receiving reference potential VREF.A control terminal of 8th transistor M8 couples
To an output end of operational amplifier 122, a first end of the 8th transistor M8 is coupled to power supply node NVDD, and the 8th crystal
A second end of pipe M8 is coupled to output node NE.Resistor 124 is coupled between output node NE and ground nodes NVSS.Electricity
Hinder the more desirable load circuit on behalf of any kind of device 124.Under this design, voltage-stablizer 120 can mention simultaneously in output node NE
Voltage supplied output and electric current output.
Fig. 6 shows that circuit described in an embodiment according to the present invention automatically configures and be routed (Auto Place and
Route, APR) method flow chart.Such circuit arrangement method is applicable to one and automatically configures and wiring tool, and this is automatic
Configuration and wiring tool can implement it with hardware component or software program.Automatically configuring with wiring tool is to reasonable
The circuit layout of integrated circuit is completed in time.The functional module of integrated circuit by commonly referred to as " unit (cell) " it is multiple more
Widgets composition, and those units can be logic gate (logic gate), multiplexer (multiplexer), comparator
(comparator), counter (counter) etc..By the method that functional module each unit is specifically placed be by automatically configuring and
The CAD software tool of wiring tool carries out.It automatically configures and uses the cloth obtained by logical design with wiring tool
Line link information and by circuit design prepare cell library, carry out unit automatically configure and self routing.In step S610,
A resistance value of the detection comprising at least voltage-stablizer transmission path in a circuit layout of an at least voltage-stablizer.In step
S620 corresponds to specific voltage-stablizer if a resistance value of one specific voltage-stablizer transmission path of discovery is greater than a critical resistance value
Transmission path automatically configures potentiometric controller 140 as shown in Figs 1-4.It is to be understood that each embodiment of Fig. 1-4 is each
A feature can be applied to circuit arrangement method shown in fig. 6, therefore this will not be repeated here.
Automatic potential drop compensation system of the invention and potentiometric controller can efficiently solve remote circuitry because with electricity
Source power supply unit distance leads to the problem of receiving current potential decline farther out.In the present invention, potentiometric controller uses negative-feedback
The framework of (Negative Feedback) detects automatically and compensates the reception current potential of remote circuitry, is allowed to be maintained at available
High levels.Since only when hypopotenia (such as: receiving) executes when necessary for the receiving node charging behavior of potentiometric controller, put down
Normal and inoperative, this design will be helpful to reduce power consumption, and improve overall system efficiency.On the other hand, of the invention
Design concept more can be applied to automatically configure in wiring tool, whenever voltage-stablizer transmission path a certain in this tool decision circuitry
Resistance value it is too high when, i.e., be automatically that potentiometric controller above-mentioned is added in it, it is excessive to improve its voltage-stablizer transmission path current potential
The problem of decline.
Automatic potential drop compensation system, potentiometric controller and circuit arrangement method of the invention is not limited in Fig. 1-6
Illustrated state.The present invention can only include one or more any features of one or more any embodiments of Fig. 1-6.Change speech
It, and the feature of not all diagram must be implemented on automatic potential drop compensation system of the invention, potentiometric controller simultaneously, and
In circuit arrangement method.
Ordinal number in this specification and claim, such as " first ", " second ", " third " etc., each other
Between there is no precedence relationships sequentially, be only used for mark and distinguish two different components with same name.
Though the present invention is disclosed above in the preferred embodiment, the range that however, it is not to limit the invention is any to be familiar with this
Those skilled in the art, without departing from the spirit and scope of the present invention, when can do a little change and retouching, therefore right of the invention
Claimed range should be defined by the scope of the appended claims.
Claims (11)
1. a kind of automatic potential drop compensation system characterized by comprising
One voltage-stablizer is coupled to a reference potential, and provides an output current potential in an output node according to the reference potential；And
One potentiometric controller, detect a receiving node of a remote circuitry one receives current potential, wherein if the reception current potential is less than
The reference potential subtracts one first difference, then the potentiometric controller charges to the receiving node to improve reception electricity
Position, if the reception current potential is increased to the reference potential after being charged and subtracts one second difference, which stops
It charges to the receiving node, wherein the receiving node of the remote circuitry is coupled to the output section via a transmission path
Point, and the transmission path has a resistance value；
The potentiometric controller includes:
One capacitor is coupled between the receiving node and a ground nodes；
One switch is coupled between a power supply node and the receiving node；And
One comparator selectively turns on or disconnects the switch according to the reception current potential；
The comparator includes:
One the first transistor, wherein a control terminal of the first transistor is used to receive the reception current potential, the first transistor
One first end is coupled to the ground nodes, and a second end of the first transistor is coupled to one and compares output node；
One second transistor, wherein a control terminal of the second transistor is coupled to one and compares internal node, the second transistor
A first end be coupled to the ground nodes, and a second end of the second transistor is coupled to the comparison output node；
One third transistor, wherein a control terminal of the third transistor is coupled to the comparison output node, the third transistor
A first end be coupled to the ground nodes, and a second end of the third transistor is coupled to the comparison internal node；
One the 4th transistor, wherein a control terminal of the 4th transistor is used to receive the reference potential, the 4th transistor
One first end is coupled to the ground nodes, and a second end of the 4th transistor is coupled to the comparison internal node；
One the 5th transistor, wherein a control terminal of the 5th transistor is coupled to the comparison internal node, the 5th transistor
A first end be coupled to the power supply node, and a second end of the 5th transistor is coupled to the comparison output node；And
One the 6th transistor, wherein a control terminal of the 6th transistor is coupled to the comparison output node, the 6th transistor
A first end be coupled to the power supply node, and a second end of the 6th transistor is coupled to the comparison internal node.
2. automatic potential drop compensation system as described in claim 1, which is characterized in that if the reception current potential touches reference electricity
Position subtracts first difference, then the switch, which is connected, in the comparator makes the capacitor be charged according to the power supply node, and
If the reception current potential touches the reference potential after the capacitor is charged and subtracts one second difference, which is disconnected
The switch is to stop charging to the capacitor, and wherein first difference is greater than second difference.
3. potential drop compensation system as described in claim 1 automatic, which is characterized in that the switch includes:
One phase inverter, wherein an input terminal of the phase inverter is coupled to the comparison output node；And
One the 7th transistor, wherein a control terminal of the 7th transistor is coupled to an output end of the phase inverter, and the 7th is brilliant
One first end of body pipe is coupled to the power supply node, and a second end of the 7th transistor is coupled to the receiving node.
4. potential drop compensation system as described in claim 1 automatic, which is characterized in that the voltage-stablizer includes:
One operational amplifier, wherein a first input end of the operational amplifier is coupled to the output node, and the operation amplifier
One second input terminal of device is for receiving the reference potential；And
One the 8th transistor, wherein a control terminal of the 8th transistor is coupled to an output end of the operational amplifier, this
One first end of eight transistors is coupled to the power supply node, and a second end of the 8th transistor is coupled to the output node；
And
One resistor is coupled between the output node and the ground nodes.
5. a kind of potentiometric controller characterized by comprising
One capacitor is coupled between a receiving node and a ground nodes；
One switch is coupled between a power supply node and the receiving node；And
One comparator receives current potential according to the one of the receiving node, selectively turns on or disconnect the switch；
The comparator includes:
One the first transistor, wherein a control terminal of the first transistor is used to receive the reception current potential, the first transistor
One first end is coupled to the ground nodes, and a second end of the first transistor is coupled to one and compares output node；
One second transistor, wherein a control terminal of the second transistor is coupled to one and compares internal node, the second transistor
A first end be coupled to the ground nodes, and a second end of the second transistor is coupled to the comparison output node；
One third transistor, wherein a control terminal of the third transistor is coupled to the comparison output node, the third transistor
A first end be coupled to the ground nodes, and a second end of the third transistor is coupled to the comparison internal node；
One the 4th transistor, wherein a control terminal of the 4th transistor is used to receive a reference potential, the 4th transistor
One first end is coupled to the ground nodes, and a second end of the 4th transistor is coupled to the comparison internal node；
One the 5th transistor, wherein a control terminal of the 5th transistor is coupled to the comparison internal node, the 5th transistor
A first end be coupled to the power supply node, and a second end of the 5th transistor is coupled to the comparison output node；And
One the 6th transistor, wherein a control terminal of the 6th transistor is coupled to the comparison output node, the 6th transistor
A first end be coupled to the power supply node, and a second end of the 6th transistor is coupled to the comparison internal node.
6. potentiometric controller as claimed in claim 5, which is characterized in that if the reception current potential, which touches the reference potential, subtracts one
First difference, then the switch, which is connected, in the comparator makes the capacitor be charged according to the power supply node, and if the reception
Current potential touches the reference potential after the capacitor is charged and subtracts one second difference, then the comparator disconnects the switch
To stop charging to the capacitor, wherein first difference is greater than second difference.
7. potentiometric controller as claimed in claim 5, which is characterized in that the switch includes:
One phase inverter, wherein an input terminal of the phase inverter is coupled to the comparison output node；And
One the 7th transistor, wherein a control terminal of the 7th transistor is coupled to an output end of the phase inverter, and the 7th is brilliant
One first end of body pipe is coupled to the power supply node, and a second end of the 7th transistor is coupled to the receiving node.
8. a kind of circuit automatically configures and wiring method, characterized in that it comprises the following steps:
A resistance value of the detection comprising at least voltage-stablizer transmission path in a circuit layout of an at least voltage-stablizer；And
When the resistance value of the voltage-stablizer transmission path is greater than a critical resistance value, then to the specific pressure stabilizing in the circuit layout
Device transmission path automatically configures a potentiometric controller,
Wherein, which includes:
One capacitor is coupled between a receiving node and a ground nodes；
One switch is coupled between a power supply node and the receiving node；And
One comparator receives current potential according to the one of the receiving node, selectively turns on or disconnect the switch,
Wherein the receiving node is coupled to the voltage-stablizer via the voltage-stablizer transmission path.
9. circuit as claimed in claim 8 automatically configures and wiring method, which is characterized in that if the reception current potential touches a ginseng
It examines current potential and subtracts one first difference, then the switch, which is connected, in the comparator fills the capacitor according to the power supply node
Electricity, and if the reception current potential touches the reference potential after the capacitor is charged and subtracts one second difference, the comparator
Disconnect the switch to stop charging to the capacitor, wherein first difference is greater than second difference.
10. circuit as claimed in claim 8 automatically configures and wiring method, which is characterized in that the comparator includes:
One the first transistor, wherein a control terminal of the first transistor is used to receive the reception current potential, the first transistor
One first end is coupled to the ground nodes, and a second end of the first transistor is coupled to one and compares output node；
One second transistor, wherein a control terminal of the second transistor is coupled to one and compares internal node, the second transistor
A first end be coupled to the ground nodes, and a second end of the second transistor is coupled to the comparison output node；
One third transistor, wherein a control terminal of the third transistor is coupled to the comparison output node, the third transistor
A first end be coupled to the ground nodes, and a second end of the third transistor is coupled to the comparison internal node；
One the 4th transistor, wherein a control terminal of the 4th transistor is used to receive a reference potential, the 4th transistor
One first end is coupled to the ground nodes, and a second end of the 4th transistor is coupled to the comparison internal node；
One the 5th transistor, wherein a control terminal of the 5th transistor is coupled to the comparison internal node, the 5th transistor
A first end be coupled to the power supply node, and a second end of the 5th transistor is coupled to the comparison output node；And
One the 6th transistor, wherein a control terminal of the 6th transistor is coupled to the comparison output node, the 6th transistor
A first end be coupled to the power supply node, and a second end of the 6th transistor is coupled to the comparison internal node.
11. circuit as claimed in claim 10 automatically configures and wiring method, which is characterized in that the switch includes:
One phase inverter, wherein an input terminal of the phase inverter is coupled to the comparison output node；And
One the 7th transistor, wherein a control terminal of the 7th transistor is coupled to an output end of the phase inverter, and the 7th is brilliant
One first end of body pipe is coupled to the power supply node, and a second end of the 7th transistor is coupled to the receiving node.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410414452.4A CN105468069B (en) | 2014-08-21 | 2014-08-21 | Automatic potential drop compensation system, potential controller, and automatic circuit configuration and wiring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410414452.4A CN105468069B (en) | 2014-08-21 | 2014-08-21 | Automatic potential drop compensation system, potential controller, and automatic circuit configuration and wiring method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105468069A CN105468069A (en) | 2016-04-06 |
| CN105468069B true CN105468069B (en) | 2019-02-19 |
Family
ID=55605868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410414452.4A Active CN105468069B (en) | 2014-08-21 | 2014-08-21 | Automatic potential drop compensation system, potential controller, and automatic circuit configuration and wiring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105468069B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11199866B2 (en) * | 2020-01-29 | 2021-12-14 | Taiwan Semiconductor Manufacturing Company Limited | Voltage regulator with power rail tracking |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7486063B1 (en) * | 2005-11-02 | 2009-02-03 | National Semiconductor Corporation | Versatile system for high-power switching controller in low-power semiconductor technology |
| CN101980096A (en) * | 2010-10-13 | 2011-02-23 | 北京星网锐捷网络技术有限公司 | Power supply compensation method and power supply compensation circuit |
| CN102222974A (en) * | 2011-06-15 | 2011-10-19 | 北京机械设备研究所 | Far-end and local sampling control circuit for power supply |
| CN203590026U (en) * | 2013-10-25 | 2014-05-07 | 上海新进半导体制造有限公司 | Voltage fine tuning control circuit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7605644B2 (en) * | 2007-05-03 | 2009-10-20 | Arm Limited | Integrated circuit power-on control and programmable comparator |
-
2014
- 2014-08-21 CN CN201410414452.4A patent/CN105468069B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7486063B1 (en) * | 2005-11-02 | 2009-02-03 | National Semiconductor Corporation | Versatile system for high-power switching controller in low-power semiconductor technology |
| CN101980096A (en) * | 2010-10-13 | 2011-02-23 | 北京星网锐捷网络技术有限公司 | Power supply compensation method and power supply compensation circuit |
| CN102222974A (en) * | 2011-06-15 | 2011-10-19 | 北京机械设备研究所 | Far-end and local sampling control circuit for power supply |
| CN203590026U (en) * | 2013-10-25 | 2014-05-07 | 上海新进半导体制造有限公司 | Voltage fine tuning control circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105468069A (en) | 2016-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109861329B (en) | Linear charging system, constant-current constant-voltage control circuit and voltage following control method thereof | |
| CN106710531B (en) | Backlight control circuit and electronic device | |
| CN101097456B (en) | Voltage regulator | |
| TWI574141B (en) | Dual mode regulator circuit | |
| US9465421B2 (en) | Partitioned switch mode power supply (SMPS) interface | |
| CN106873695A (en) | Charge injection type switched capacitor voltage stabilizer applied to high load current | |
| CN113328734A (en) | Fast blocking switch | |
| CN109951064B (en) | High Voltage Startup Circuit and Switch Mode Power Supplies | |
| CN101533285B (en) | A reference voltage buffer circuit | |
| CN110198123A (en) | Voltage-stabilizing system, voltage stabilizing chip and pressure stabilizing control method | |
| CN203658888U (en) | USB power supply compensating circuit and portable electronic equipment | |
| CN107846285A (en) | A kind of current-limiting circuit and the electric power system for including it | |
| CN103529895B (en) | A kind of High-stability voltage regulator | |
| US20110040988A1 (en) | Single phase line switch | |
| CN105468069B (en) | Automatic potential drop compensation system, potential controller, and automatic circuit configuration and wiring method | |
| CN109194126B (en) | Power supply switching circuit | |
| CN204667243U (en) | A kind of voltage-regulating circuit | |
| CN103560665A (en) | DC-DC conversion circuit and DC-DC chip | |
| CN107040250A (en) | A kind of voltage mode drive circuit | |
| CN107592108B (en) | Controller IC | |
| JP2020149352A (en) | Voltage generator | |
| CN105790566A (en) | Auxiliary circuit for power supply with power management chip | |
| CN105259966B (en) | The circuit of output voltage undershoot when reducing switching LDO | |
| CN103888137A (en) | An oscillator and electronic terminal | |
| CN103023318B (en) | Low-voltage power supply generating circuit for inside of high-voltage chip |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 301, 2537 Jinke Road, Zhangjiang High Tech Park, Pudong New Area, Shanghai 201203 Patentee after: Shanghai Zhaoxin Semiconductor Co.,Ltd. Address before: Room 301, 2537 Jinke Road, Zhangjiang hi tech park, Shanghai 201203 Patentee before: VIA ALLIANCE SEMICONDUCTOR Co.,Ltd. |