TW201011514A - Discharging control device for adjusting output current - Google Patents

Abstract

A discharging control device for adjusting output current suitable for providing an output current to a load is provided. The present invention includes the following elements. An accumulator unit includes at least a magnetic capacitor and provides a reserve voltage. A DC/DC converter is used to regulate the reserve voltage to a discharging voltage. A feedback circuit is controlled by a switch signal and outputs a feedback voltage. An operational amplifier is used to output the switch signal and receive the feedback voltage and a reference voltage. The switch is controlled by the reference voltage. An input terminal inputs a setting signal. A control unit is used to generate the reference voltage according to the setting signal. The feedback voltage is generated from the output current through an output resistance of the feedback circuit.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a discharge control device, and more particularly to a discharge control device that can control an adjustable output current for controlling output current discharge. [Prior Art] When the power supply is output, it can provide a fixed voltage output or a constant current output discharge mode for the load according to the load characteristics. In the case of constant current control, the voltage is automatically adjusted regardless of the load impedance change to maintain a certain current supply. The constant current control is generally applied to LED lighting, battery charger, motor control, backlight module current controller or resistor's circuit that converts into voltage, so according to the occasion of constant current output, the root-data is different. The load condition of the constant current output power may be high power or low power. However, for the existing constant current output control circuit, it is mainly limited by the power supply used by the power supply source, and in the constant current control output, it is usually impossible to provide a large current for an instant. Used by the load side. SUMMARY OF THE INVENTION The technical problem to be solved by the present invention is to provide a discharge control device capable of adjusting an output current to solve the problem that the conventional constant current output device cannot provide a large current output instantaneously. Therefore, the object of the present invention is to provide a power storage unit as a power source for current output, and the power storage unit uses a magnetic capacitor, and the magnetic capacitor has the characteristics of large energy storage density and high power output, so that the discharge control device can output instantaneously. Large current is used for the load. 6 201011514 In order to solve the technical problem of the upper jaw, according to a solution of the adjustable output current, the current is supplied to the load, including: a storage battery is used to provide a 1 output network, an amplifier, - Round person f (four) source converter, wherein the livestock unit is a unit having at least one capacitive capacitance. DC power converter (DC / DCC kiss - livestock voltage; used to convert the storage voltage into a discharge storage unit, and the network is connected to the wheel of the load, and is used by the load; feedback output current and The output ~ feedback voltage is given to the (10) signal to receive the output switching signal to the feedback network, the large device; the operational amplifier is pressed 'and the switching signal is the reference = reclaimed voltage and - reference power to input - set signal Empty system, wheeled interface = input interface and shirt amplifier, ^_ in DC power conversion pen pressure, and the feedback voltage = generated according to the set signal - the output voltage generated by the output voltage is feedback The diodes in the network, the two capacitors include: a first-magnetic electrode and a second magnetic:: layer, wherein the dielectric layer is set to =3 can' and the first magnetic electrode and: array and the dielectric layer is used Magnetic couples are stored in the dielectric layer; there are a plurality of them in order to solve the above-mentioned technology. This provides an adjustable wheel-out 24'', and the current is discharged to a load. Including: control device for raising ^== two - Wheels in the ', the second plant DC, converter two = current!: f ... pressure conversion wheel output: two original, converter turn attack power voltage to negative 201011514 load; current mirror circuit coupled to the output of the load And configured to map the output current according to a reference current, wherein the reference current is controlled by a reference voltage; the input interface is configured to input a set signal; and the control unit is coupled to the DC power converter, the input interface, and the operational amplifier respectively And according to the setting signal, the reference voltage is generated. Therefore, through the above-mentioned method, the control unit adjusts the output current according to the load according to the setting signal, so that the output current for the load can be used. Control, and the output current can be controlled at a certain current without being affected by the load level, or @ instantaneously output a large current for the load, and the storage element in the storage unit is a magnetic capacitor, so that the present invention can be provided instantaneously High current output. Flow is used for the load. The above summary and the following detailed description and drawings, The other objects and advantages of the present invention will be described in the following description and drawings. The invention provides a discharge control device capable of adjusting an output current, which can mainly provide a current amount required according to a load end requirement, and the invention can instantaneously supply a large current to a load, and in order to achieve the requirement, the invention particularly adopts magnetic property. A capacitor (Magnetic Capacitor) is used as an energy storage component for discharging the load end, and the magnetic capacitor referred to in the present invention suppresses leakage current by a magnetic field formed at the upper and lower electrodes compared to a general capacitor. Greatly improve the energy storage density and the effect of high power output. 8 201011514 Next, please refer to the figure ~, the discharge control of the whole output current is one of the embodiments of the present invention, which can adjust the discharge current of the output current. Not intended. The device according to the embodiment includes a power storage unit "1a (hereinafter referred to as a discharge control device (DC/DC converter), - ^ 10, ~ DC power converter 12 a digital analog converter network U , a voltage detector 14, a surface Π and an operational amplifier 18, = two control unit 16, an input current 1 〇 current output can be consistent with the negative change by the architecture to control the output current of the storage unit 1 〇 size can When required by 19, so as to flow through the load 19 load 19, the output current I & control system, for example, this embodiment can be different, please refer to the second figure as the current. The element is provided in this embodiment. For the negative and refer to the first figure, the power storage unit 1 〇 source, and the power storage unit 1 由, the 19-terminal current discharge required power supply / or parallel way to provide several storage elements 101 in series and the number and connection Vbat is not pressed, and the storage element 101 in the storage element 101 可以 may be limited to _: as shown in the figure, and the number of the storage units 10 depends on the load 19 or more, and the storage element ΗΠ the electric component 101 Adopted to decide. The unit is explained. It is described in detail. It is not given here and is based on the control::::::: the second output of the second storage unit (7), ^1 ^ ^ ^ 19 ^ ^ ^ This DC power supply is crying 12 = lift, clear, so save; ^ electric ^ after the whole discharge of the discharge of electricity over the DC power converter 9 201011514

Vbat, #_的直流电源 Power converter (Boostc〇m, erter) or step-down power = also. . (Buck converter), in order to discharge the discharge of the original, conversion, or step-down discharge treatment. The voltage ^ V_ can be boosted. The pressure detection H 14 is secreted in the storage unit 1Q, the voltage condition of the basin θ, and the fine fruit wheel

The processing unit 16 is coupled to the DC power converter 14 , the digital analog converter 15 and the wheel input interface, and the overall voltage discharge control device 1 for current discharge control. 1〇 can be supplied with appropriate discharge control to provide: electrical unit current value. The current discharge control side of the control unit 16 = the required surface 17 acquisition - setting mirror, the setting signal can be entered into other devices or programs connected to the input interface 17, or can be set to supply the load. 19, what is the current used, the control unit is used for this setting signal and passed through the digital analog converter 15 rounds 7^16 according to Vref to the operational amplifier 18, so that the operational amplifier ^ ^ reference voltage number is given to the feedback network 13. In this embodiment, the operation is performed: the _switch signal is used for the function of non-reverse reduction H, and is controlled by the size of the reference voltage Vref of the controller 18: The calculation releases a current of 1 〇. The input of the $19 terminal and the control unit 16 of the present embodiment generates a relative reference voltage Vref according to the interface, which can be found through the occlusion signal or by looking up the table. For example, the formula operation &, this setting signal is mainly used to set the supply load 0 mode and 1〇, so this formula can be a ohm law, the radiation current is smart, and if it is to check 10 201011514, this The setting signal can be the input value, and the reference voltage of the clearing element 16 is + the corresponding reference voltage vref due to: = early? 16 According to the Dunden signal, Tian Wan, a digital information, so will be sore

After the converter 15 is converted into an analog value, it is input to the output of the ^fT load 19, which is mainly provided with an open I unit and an H-connected loop, and the feedback circuit 13 is Q1 and sucked. Transistor;: 2: Element refers to the transistor (JFET) and the double carrier ^ 糸 别 以 接 接 场 场 场 : : : : : : : : t t t t t t t t t t t t t t t t t t t t 电阻 电阻The role of the example; the state's voltage drop, this electric scale defines the resistance R1), and; ^ ^ output I resistance (below and the device 18) and the feedback network = 13 "Ffb" to the operation amplification 1 〇Whether it can flow through the round t R ^ early 70 疋 used to control the output current output “can flow through the output::. When the switch unit is turned on, the part of the unit is turned off, the transport 1 is granted, the number in the network 13 In order to feedback the network 13 in the second and the Asian can turn out a switch. The output of the output of the device 18 is controlled by the early element, and the operation of the input terminal is triggered by the operation amplification. Digital analog conversion crying ^ 1 different magnification is 18 positive wheel end

Vref, the operational amplifier 18^ has a negative output terminal and is input with a reference power, and the input has a feedback voltage Vfb. The second system is coupled to the structure of the output resistor R1, as long as the reference voltage Vref is connected to the power of the amplifier 18; '',,,,, in the winter, the electric house, then - 201011514 开关 the output of the amplifier 18 output The signal is to discharge the reference voltage at an amplification ratio, so that the switching unit in the feedback network 13 will be turned on, and then the virtual grounding characteristic according to the operational amplification state 18, the Fenwick voltage Vref The voltage value of the feedback voltage Vfb can be regarded as phase 1. Since the current value of the output current 1〇 is obtained by dividing the feedback voltage Vfb by the resistance value of the resistor R1, in other words, the size of the transmission control reference voltage We is The magnitude of the wheel current lQ can be controlled. For example, the larger the reference electric hemp, the larger the output voltage * IQ, so the present embodiment controls the magnitude of the output current 1 流 flowing through the load 19 through this method. ^ ί外? The unit 16 can know the storage voltage Vbat provided by the voltage detector 14 from the detection result of the voltage detector 14, and control the DC power converter 12 to perform the boost pressure adjustment according to the load 19'. Make the discharge voltage fine to meet the requirements of the load 19 end, + input / Φ 17 is used to set the signal for the wheel, and this setting m = system = person to define the machine between 17 and the control unit (four) No. 'This input interface ·】 7 Dip every white, car official cup, t shell '% way can be through the keyboard, slide: 22 or 2" work board, sound identification device or computer device, etc. It is not limited to this. Anything that can be transmitted through (four) is the magnetic electromagnetic capacitance shown in the control unit (4). For example, the third figure ^ g tlc eaPacitor) includes a dielectric screen: a brother of a secret 22 And - the second magnetic electrode 24, wherein the medium is disposed between the young magnetic electrode 22 and the second magnetic electricity (four) = at the first magnetic electrode 22 and the second mail electrode 24 _ charge to store the potential of 201011514 Energy, and the flute - the magnetic conductive loose electrode 22 and the second magnetic electrode 24 are made of a magnetic electrode material And magnetically modulating the first magnetic electrode 22 and the second magnetic strip to apply an electric field to the first magnetic electrodes 22 and 28, such that a magnetic dipole 26 is formed in the drain 24, respectively. The mobile manufacturing capacitor 2 constitutes a magnetic field for charging the charged particles to store the wife's L, so that the dielectric layer 20 in the magnetic capacitor 2 can leak electricity. The sub-electrode and the magnetic dipole 26, 28 forming a magnetic field to avoid electric energy, the first M π % is a rare earth element into the material of the tortoise pole 22 and the second magnetic electrode 24 can be CBaTi 〇 3) _, : 丨, layer 2 〇 from titanium oxide (Ti03钡 钡 钡 , , , , , , , 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体 导体2〇 可视 可视 可视 可视 可视 适当 适当 箭头 箭头 箭头 箭头 箭头 箭头 第 第 第 第 第 第 第 第 第 磁性 磁性 磁性 磁性 磁性 磁性 磁性 磁性 磁性 磁性 磁性 磁性 磁性 磁性 磁性 磁性 磁性 磁性 磁性 磁性 磁性 磁性 磁性 磁性 磁性 磁性28 The actual skill of the skill: 2: the tiny magnetic dipoles of the columns are superimposed, but there is no limit to the familiarity, ^ ' In this case, the formation of the dipoles 26 and 28 can be directed to the same direction or different sides. A. According to the aforementioned paragraph aH & U, the direction is not. The main reason is the magnetic code shown in the second figure. The capacitor 2, the originally arranged magnetic dipole 26 s electrode 22 and the neatly stored charge in the second magnetic electrode 24 form a magnetic field in the same direction, so that the dielectric layer 20 is stored in the dielectric layer 20 Rotating, while tidying 1 tight magnetic capacitor 2 of the electric green:: can accommodate more charge, and thus increase the area of the capacitor:, degrees. Since the capacitance value C is as follows in the conventional capacitor, the dielectric constant of the layer is determined from the thickness d, and the cheek is smaller than the conventional capacitor. The magnetic power 13 201011514 of the present embodiment is equivalent to 2 The role of the magnetic field to change the a of the dielectric layer results in a substantial increase in capacitance. ^数' Therefore Q = £〇£r^ d .........Formula (1)

It should be particularly emphasized here that the magnetic capacitors of this embodiment are all stored in the form of potential energy, compared with other energy storage media that are mainly stored in the main === (for example, a conventional battery or a super capacitor): =Electric = has a matching energy storage "number", Yi u two 贞 ^ 彳 inch, 1 ^ has a long life (high charge and discharge secondary line high power output 'fast charge and discharge characteristics, so there is a compilation" I" The various problems encountered by the battery, the material is stored in a chemical energy manner, because of the size, otherwise it will often cause a large efficiency ▲ = there must be a magnetic capacitor 2 of the embodiment to the potential energy = In this case, the materials used herein can be applied to semiconductor processes, and the magnetic capacitors 2 and the volume and weight of the semiconductor capacitors 2 are formed by the process, due to the connection, Further, the magnetic process is reduced, which should be familiar to the skilled person. Please refer to the fourth figure, which is the present invention. 3 ^ It will not be repeated here. The schematic diagram of the magnetic capacitor 3 series package ^~f two One of the embodiments is a magnetic electrode 32 and a second The electrode 34, the complex turtle a 3 〇 magnetic first magnetic electrode 32 and the second magnetic electrode 34; 1 electrical layer 30 is disposed between the first isolation layer 32 〇, the first magnetic electrode 32 magnetic layer 324, the first isolation layer 320 is between the magnetic layer 322 and a second second magnetic layer 324. The second impurity if f first impurity layer 322 and the layer 340, a third magnetic layer 342 and - coating ° 4 The second isolation layer 14 201011514 is disposed between the third magnetic layer 342 and the fourth magnetic layer 344. The both the w έ 320 and the second isolation layer 340 are made of a non-magnetic material. Magnetic structure: The operating principle of the magnetic capacitor 3 is the same as that shown in the third figure. The same is the same as the applied electric field on the first magnetic layer #^4, the third magnetic layer 342 and the fourth. The magnetic layer 344, 342 ❹ 31, 33, 3 'the magnetic dipoJe is formed by a different external capacitance 3 during the magnetization process. 'The magnetic layer 322 and the second magnetic layer 4 can be borrowed. The magnetic dipole 35 in the magnetic layer 344, = household I, can be stepped in to suppress the leakage of the magnetic capacitor 4. The n sample is applied to The dipoles 31, 33, 35, 妒 ^ von electric catch. The same, if it can point to the same direction or different directions. ^ direction directional sub-infinite reference here particularly emphasizes the structure of the aforementioned - magnetic electrode 3 electrode 34 and It is not limited to the above-mentioned three-tone and the other-magnetic type, and the plurality of magnetic layers and the non-magnetic layer are not interlaced and interleaved: the adjustment of the similar square dipole direction is used to further suppress the magnetic: electricity; = private fairy, In order to achieve the effect of almost no leakage current. The leakage of the package 3, for the structure disclosed in the first figure, the storage device is a magnetic capacitor, and the characteristics of the unit, the embodiment is applied to Discharge 1 < magnetic capacitance and discharge control device S la for the output current ^ control a, while the various loads 19 under the condition of the need for the completion of the wheel current: can meet the requirements of the above-mentioned examples The architecture will allow for instant eternal. For example, the output of the large current 15 is used. 201011514=Load 19 is used. This technical feature is one of the main differences between the present invention and the conventional discharge control device. In addition, this embodiment can also control the output when the load 19 is different. Electricity. Maintained at - constant current output. One. Next, please refer to the fifth figure, which is a functional block diagram of the discharge control device of the turbulent flow according to another embodiment of the present invention. Figure 5: The discharge control device lb is different from the architecture of the first figure.

y V Φ Π0 p 〇 S

The shunt resistor R3 is connected in parallel with the feedback network 13, and the ratio of the resistance between the sub-resistor R3 and the output resistor R i is used to determine how much current flows through the shunt resistor R3 and Turning off the resistance ruler 1 ' Therefore, according to the architecture shown in the fifth figure, the control reference voltage Vref is adjusted to adjust the wheel current 1 〇 to have a more flexible adjustment space. Please refer to the sixth figure, which is a functional block diagram of a discharge control device capable of adjusting output current according to still another embodiment of the present invention. The feedback network 13a of the discharge control device 1c, which is not shown in the sixth figure, is realized in a different way with respect to the first figure, and the switching unit in the feedback network 13a includes the transistor Q3. The transistor q3 is exemplified by a gold-oxygen half-field effect transistor ^MOSrcT), and the structure described in the sixth figure can also adjust the output current 1 过 by controlling the reference voltage Vref. The operation principle and the foregoing figure The architecture is the same 'so it will not be repeated here. Please refer to the seventh figure, which is a functional block diagram of a discharge control device capable of adjusting output current according to still another embodiment of the present invention. This: The device Id replaces the portion of the operational amplifier 15 and the feedback network ^ in the first figure with the current mirror circuit 11, which is a digital and digital analog converter IS and load 19. Connected, and the input bias at the - terminal of the current mirror generating reference current Iref is provided by the number _ 1 output reference voltage Vref, * at the other end of the current mirror Μ 16 16 201011514 射 reference current Iref Then, it is coupled to the output end of the load 19 and receives an output current 1〇', and the output current is mapped to the reference current Iref source according to a certain ratio. Since the current mirror circuit 11 belongs to a technique known to those skilled in the art, The principle of the current mirror will not be described here. Further, since the operation mode of the discharge control device Id other than the current mirror circuit u is also the same as that of the discharge control device of the first diagram, the description of this portion will not be repeated. Therefore, in the seventh figure, the reference current lref can be controlled by the reference voltage Vref, and the output current 1〇 is also mapped from the reference current Iref by a certain ratio, so that the output can be controlled by controlling the reference voltage Vref. The current is 1 〇 for effective control. Therefore, it is understood by the foregoing embodiments that it is known that the present invention is mainly characterized by the magnetic energy density and high power output of the magnetic electric valley, so that the livestock electric unit 1 can meet the needs of various loads 19 to provide its The output current is 1〇' and the output current 1〇 can be accurately controlled. Fortunately, how much current is used for the load 19, and the output current can be a fixed value or a variable value, so the architecture described in the present invention It is possible to achieve self-control and the amount of current used for the load 19, and the current is such that a large current can be supplied instantaneously for the load. However, the drawings and descriptions disclosed above are only examples of the present invention, and those skilled in the art can make other various modifications according to the above description, and these changes still belong to the inventive spirit of the present invention. The scope of the patents listed below. BRIEF DESCRIPTION OF THE DRAWINGS The first diagram is a functional block diagram of a discharge control device that can adjust an output current. The second diagram is a schematic diagram of the power storage unit of the present invention; BRIEF DESCRIPTION OF THE DRAWINGS FIG. 4 is a schematic view showing a magnetic capacitor according to another embodiment of the present invention; and FIG. 5 is a discharge control device capable of adjusting an output current according to another embodiment of the present invention; 6 is a functional block diagram of a discharge control device capable of adjusting an output current according to still another embodiment of the present invention; and a seventh diagram is an adjustable output current according to still another embodiment of the present invention. Functional block diagram of the discharge control device. — [Main component symbol description] - la, lb, lc, Id discharge control device with adjustable output current 10 power storage unit 101 power storage element 12 DC power converter Φ 13, 13a feedback network 14 voltage detector 15 digital analogy Converter 16 control unit 17 input interface 18 operational amplifier 19 load 2 magnetic capacitor 18 201011514 20 dielectric layer 24 second magnetic electrode 3 magnetic capacitor 30 dielectric layer 32 first magnetic electrode 320 first isolation layer 324 second magnetic layer 3 4 brother 2 magnetic electrode 10 340 second isolation layer 344 fourth magnetic layer 35, 36 magnetic dipole 22 first magnetic electrode 2 6, 28 magnetic dipole 31, 33 magnetic dipole 322 first magnetic layer 342 third magnetic Floor

19

Claims (1)

201011514 X. Patent application scope: 1. A discharge control device capable of adjusting output current for providing an output current to a load, comprising: an electricity storage unit having at least one magnetic capacitor and outputting a storage voltage; a power converter (DC/DC converter) coupled to the power storage unit and configured to convert the power storage voltage into a discharge voltage to the load; g-back feedback network coupled to the output end of the load, and Controlled by a switching signal to receive the output current and output a feedback voltage; an operational amplifier for outputting the switching signal to the feedback network, and receiving the feedback voltage and a reference voltage, and the switch The signal is controlled by the reference voltage; an input interface for inputting a setting signal; and a control unit coupled to the DC power converter, the input interface and the operational amplifier, and the control unit is configured according to the setting The signal is generated to generate the reference voltage, wherein the feedback voltage is an output resistance of the output current in the feedback network 2. A discharge voltage control device as claimed in claim 1, wherein the magnetic capacitor comprises: a 'magnetic electrode; a second magnetic electrode; and a dielectric layer, Provided between the first magnetic electrode and the second magnetic electrode; 20 201011514 wherein the dielectric layer is used to store electrical energy, and the first magnetic electrode and the second magnetic electrode system respectively have a plurality of magnetic dipoles to avoid The electric energy stored in the dielectric layer is leaked. 3. The discharge control device of the adjustable output current according to claim 2, wherein the first magnetic electrode comprises: a first magnetic layer; a second magnetic And a first isolation layer comprising a non-magnetic material disposed between the first magnetic layer and the second magnetic layer. 4. Discharge control of an adjustable output current as described in claim 2 The device, wherein the second magnetic electrode comprises: a third magnetic layer; a fourth magnetic layer; and a second isolation layer comprising a non-magnetic material disposed on the 5. The discharge control device of the adjustable output current according to the first aspect of the invention, wherein the DC power converter is a buck-boost power converter (Boost-buck) A converter, a boost converter, or a buck converter. 6. The discharge control device of the adjustable output current according to claim 1, wherein the input interface is One of a keyboard, a mouse, a tablet, a touchpad, a sound recognition device, and a computer device. 7. The discharge control device of the adjustable output current according to claim 1, wherein the input interface inputs The setting signal is a signal that can be recognized by the control unit. 21 201011514 8. The discharge control device of the adjustable output current according to claim 1, wherein the reference voltage generated by the control unit is obtained by a table lookup method or a formula operation. 9. The discharge control device for adjustable output current according to claim 1, wherein the control unit outputs the reference voltage through a digital analog converter (D/A converter). 10. The discharge control device of the adjustable output current according to claim 1, wherein the feedback network further comprises a switch unit for receiving the switch signal and for controlling the back Advise the network. 11. The discharge control device as claimed in claim 1, wherein a positive input terminal of the operational amplifier receives the reference voltage, and a negative input terminal of the operational amplifier receives the feedback voltage. . 12. The discharge control device for adjustable output current according to claim 1 of the patent scope, further comprising: a shunt resistor connected in parallel with the feedback network. 13. A discharge control device capable of adjusting an output current for providing an output current to a load, comprising: an electricity storage unit having at least one magnetic capacitor for outputting a storage voltage; and a DC power converter (DC/DC) The converter is connected to the power storage unit and configured to convert the power storage voltage into a discharge voltage to the load; a current mirror circuit coupled to the output end of the load and configured to map the current according to a reference current of 22 201011514 Output current, and the reference current is controlled by a reference voltage; an input interface for inputting a set signal; and a control unit coupled to the DC power converter, the input interface, and the operational amplifier, the control unit And generating the reference voltage according to the setting signal. 14. The discharge control device for adjustable output current according to claim 13, wherein the magnetic capacitor comprises: * a '-magnetic electrode; a second magnetic electrode; and a dielectric layer' disposed on the first Between a magnetic electrode and the second magnetic electrode; wherein the dielectric layer is used to store electrical energy, and the first magnetic electrode and the second magnetic electrode system respectively have a plurality of magnetic dipoles to avoid being stored in the dielectric The power in the layer leaks. 15. The discharge control device as claimed in claim 14, wherein the first magnetic electrode comprises: a first magnetic layer; a second magnetic layer; and a first isolation layer, including A non-magnetic material is disposed between the first magnetic layer and the second magnetic layer. 16. The discharge control device as claimed in claim 14, wherein the second magnetic electrode comprises: a third magnetic layer; a fourth magnetic layer; and 23 201011514 a second isolation layer, A non-magnetic material is disposed between the third magnetic layer and the fourth magnetic layer. 17. The discharge control device of the adjustable output current according to claim 13, wherein the DC power converter is a boost-buck converter and a boost converter. Or buck power converter (Buck converter). 18. The discharge control device of the adjustable output current according to claim 13, wherein the input interface is one of a keyboard, a mouse, a tablet, a touch panel, a voice recognition device, and a computer device. 19. The discharge control device for adjustable output current according to claim 13 wherein the input signal input by the input interface is a signal that can be recognized by the control unit. The discharge control device of the adjustable output current according to claim 13 , wherein the reference voltage generated by the control unit is obtained by a table lookup method or a formula operation. 21. The discharge control device for adjustable output current according to claim 13, wherein the control unit outputs the reference voltage through a digital analog converter (D/A converter). twenty four