CN110601563A - Centralized processing power supply management system and power supply management method - Google Patents
Centralized processing power supply management system and power supply management method Download PDFInfo
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- CN110601563A CN110601563A CN201910918626.3A CN201910918626A CN110601563A CN 110601563 A CN110601563 A CN 110601563A CN 201910918626 A CN201910918626 A CN 201910918626A CN 110601563 A CN110601563 A CN 110601563A
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- power supply
- power
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- output
- module
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2851—Testing of integrated circuits [IC]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/14—Arrangements for reducing ripples from DC input or output
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
- H02M7/04—Conversion of AC power input into DC power output without possibility of reversal by static converters
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Sources (AREA)
Abstract
The invention relates to the technical field of power supplies, and discloses a centralized processing power supply management system and a power supply management method, wherein the centralized processing power supply management system comprises: the input interface module is used for receiving input voltage; the control power conversion module is used for converting the voltage input by the input interface module into one or more groups of required voltages; the filtering module is used for filtering the voltage converted by the control power conversion module; the output interface module is used for outputting the voltage filtered by the filtering module; and the control module is communicated with an upper computer and used for controlling the enabling of the power conversion control module and receiving the alarm signals of the input interface module and the output interface module. Through the cooperation of the upper computer and the control module, the multi-channel power supply is controlled to be synchronously and independently output, so that ripples of the centralized processing power supply management system can be greatly reduced, and the power supply level of the whole power supply is improved.
Description
Technical Field
The invention relates to the technical field of test power supplies, in particular to a centralized processing power supply management system and a power supply management method.
Background
In the semiconductor chip testing equipment in the prior art, a power supply system adopts a plurality of groups of discrete power supplies to supply power in a combined mode or supplies power through partial switch power supply modules, the power supply mode has poor performance and interference filtering on the power supplies, the problems of overlarge test error range, poor consistency and the like during testing of electrical characteristic parameters of the chip are easily caused, and especially, the damage or the increase of the reject ratio of the tested chip is easily caused by the interference of overlarge ripples and the like.
Aiming at the problems existing in the semiconductor chip testing equipment in the prior art, a centralized processing power supply management system and a multi-path filtering control method are designed for the semiconductor testing equipment, so that the influence of power supply related parameters on accurate measurement of the electrical characteristic parameters of the semiconductor chip is reduced, the performance index of the semiconductor chip testing equipment is effectively improved, and the market competitiveness of the semiconductor chip testing equipment is improved.
Disclosure of Invention
The invention aims to provide a centralized processing power supply management system, and aims to solve the problem that in the prior art, semiconductor chip test equipment adopts a plurality of groups of discrete power supplies, so that the accurate error of the electrical characteristic parameters of a semiconductor chip is greatly influenced.
The invention is realized in this way, a centralized processing power supply management system includes: the input interface module is used for receiving input voltage; the control power conversion module is used for converting the voltage input by the input interface module into one or more groups of required voltages; the filtering module is used for filtering the voltage converted by the control power conversion module; the output interface module is used for outputting the voltage filtered by the filtering module; and the control module is communicated with an upper computer and used for controlling the enabling of the power conversion control module and receiving the alarm signals of the input interface module and the output interface module.
The invention also provides a power supply management method, which comprises the following steps: the upper computer is connected with the power supply system to respond and receives a ready signal; starting to power up; detecting whether the power supply system gives an alarm or not, and receiving a normal response signal; starting to enable the output; detecting whether the power output meets the output index, and receiving an output normal signal; and (5) normally supplying power.
Preferably, the connection response of the upper computer and the power system, and the receiving of the ready signal specifically comprises the following steps: initializing a system; sending an address signal; waiting for the power system to respond; a ready signal is received.
Preferably, when the ready signal is not received after the preset time, the address signal is sent again to wait for the power system to respond.
Preferably, the detecting whether the power supply system alarms or not and the receiving of the normal response signal specifically include the following steps: calling a fault alarm function; waiting for a normal signal of the power supply system; a normal reply signal is received.
Preferably, when the normal response signal is not received after the preset time, the fault alarm function is called again to wait for the normal signal of the power system.
Preferably, the detecting whether the power output meets the output index, and the receiving of the output normal signal specifically includes the following steps: calling a system enabling parameter function; the system detects and outputs a normal signal; receiving the output normal working signal.
Preferably, when the normal working signal is not received after the preset time, the system enabling parameter function is called again, and the system is waited to detect and output the normal signal.
Compared with the prior art, the centralized processing power supply management system and the power supply management method have the advantages that the upper computer and the control module are matched to control the synchronous and independent output of multiple paths of power supplies, so that the ripples of the power supplies can be greatly reduced, and the power supply level of the whole power supply is improved. Meanwhile, the power supply to the rear stage is more stable and controllable, and the requirement of precision-level chip testing is met.
Drawings
Fig. 1 is a schematic diagram of a frame of a centralized processing power supply management system according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a power supply management method according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The implementation of the present embodiment is described in detail below with reference to specific drawings.
Example one
As shown in fig. 1, the present embodiment provides a centralized processing power supply management system, which includes an input interface module 11, a control power conversion module 12, a filtering module 13, and an output interface module 14, which are electrically connected in sequence; and the control module 15, the control module 15 is connected electrically to the input interface module 11, the control power conversion module 12, and the output interface module 14 at the same time.
The input interface module 11 mainly includes an AC-DC input interface for receiving an input voltage. The control power conversion module 12 includes a power module required by multi-output, and obtains a plurality of groups of low ripple power supplies by performing grouped power conversion on the AC-DC input power supply of the front pole. The filtering module 13 filters the voltage converted by the power conversion module 12, so as to reduce the ripple waves to the maximum extent. The output interface module 14 mainly includes a plurality of groups of low ripple combined power supplies obtained by the filtering module 13, and is configured to output the voltage filtered by the output filtering module 13 to the outside.
The control module 15 includes a CPLD (complex programmable logic device) related unit capable of communicating with the upper computer 2, and controls the power conversion module 12 to enable, receive the alarm signal of the input interface module 11 and the output interface module 14.
Before starting, the AC-DC voltage input in front reaches an input interface module 11 of the system, the CPLD is controlled through software control of the upper computer 2, the enabling of a power conversion module 12 is controlled, the circuit starts to work, and the power conversion module 12 converts the input DC voltage into a plurality of groups of voltages required by the rear stage. Meanwhile, the ripple can be reduced to the maximum extent by the control of the filtering module 13. If an alarm such as overcurrent, overvoltage, overtemperature and the like appears in the process, the control module 15 feeds back to the upper computer 2 after receiving the alarm, the upper computer 2 controls the enabling of the power conversion module 12, and meanwhile, the hardware is used for closing the enabling, so that the stability of the output voltage is protected doubly.
The centralized processing power supply management system effectively integrates voltage parameters of various specifications on a board card, outputs the voltage parameters through the filtering module 13 to obtain a power supply management system with low ripple and high power density, and the power supply output has multiple specifications, including power supply outputs of various specifications such as +/-4.5V/+/-6.5V/+/-12V/+/-24V/+/-73.5V and the like, so that the power supply requirement of a chip to be tested is met.
Compared with the prior art, this embodiment has increased 2 independent control multichannel power synchronization of host computer and independent output, is different from adopting multiunit switching power supply to control the power supply respectively at present, and the ripple of reduction power that can be great improves whole mains operated level, and simultaneously, more stable controllable to the power supply of back level satisfies the test of precision level chip.
Example two
As shown in fig. 2, the present embodiment provides a power supply management method, including the following steps:
the upper computer 2 is connected with a power supply system to respond and receives a ready signal;
starting to power up;
detecting whether the power supply system gives an alarm or not, and receiving a normal response signal;
starting to enable the output;
detecting whether the power output meets the output index, and receiving an output normal signal;
and (5) normally supplying power.
After the power supply system starts, the upper computer 2 firstly responds to the connection with the power supply system, starts to be powered on after receiving a ready signal for power supply preparation, detects whether the power supply has an alarm, receives a normal response signal (no alarm signal) of the power supply system, and starts to enable output. And detecting whether the power output meets the output index, finally receiving an output normal signal, and starting to supply power for the later-stage semiconductor test after confirming that the output normal signal meets the index.
The upper computer 2 is connected with the power supply system to respond, and the step of receiving the ready signal specifically comprises the following steps:
s11, initializing the system;
s12 sending address signal;
s13 waiting for the power system to answer;
a ready signal is received.
And when the ready signal is not received after the preset time, the address signal is sent again, the power supply system waits for response, and the steps are repeated until the ready signal is received.
Detecting whether the power supply system gives an alarm or not, wherein the step of receiving a normal response signal specifically comprises the following steps;
s21 calls a fault alarm function;
s22, waiting for a normal signal of the power supply system;
a normal reply signal is received.
And when the normal response signal is not received after the preset time, the fault alarm function is called again, the normal response signal of the power supply system is waited, and the steps are repeated until the normal response signal is received.
Detecting whether the power output meets the output index, and receiving the output normal signal specifically comprises the following steps;
s31 calls a system enabling parameter function;
the S32 system detects and outputs a normal signal;
receiving the output normal working signal.
And when the normal working signal is not received after the preset time, calling the system enabling parameter function again, waiting for the system to detect and output the normal signal, and repeating the steps until the output normal signal is received.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A centralized processing power supply management system, comprising:
the input interface module is used for receiving input voltage;
the control power conversion module is used for converting the voltage input by the input interface module into one or more groups of required voltages;
the filtering module is used for filtering the voltage converted by the control power conversion module;
the output interface module is used for outputting the voltage filtered by the filtering module;
and the control module is communicated with an upper computer and used for controlling the enabling of the power conversion control module and receiving the alarm signals of the input interface module and the output interface module.
2. The power supply management method is characterized by comprising the following steps:
the upper computer is connected with the power supply system to respond and receives a ready signal;
starting to power up;
detecting whether the power supply system gives an alarm or not, and receiving a normal response signal;
starting to enable the output;
detecting whether the power output meets the output index, and receiving an output normal signal;
and (5) normally supplying power.
3. The power supply management method according to claim 2, wherein the upper computer responds to the connection with the power system, and the receiving of the ready signal specifically includes the steps of:
initializing a system;
sending an address signal;
waiting for the power system to respond;
a ready signal is received.
4. The power management method of claim 3, wherein when the ready signal is not received after a preset time, the address signal is retransmitted to wait for the power system to respond.
5. The power management method according to claim 2, wherein the detecting whether the power system alarms or not and the receiving of the normal response signal specifically include the steps of;
calling a fault alarm function;
waiting for a normal signal of the power supply system;
a normal reply signal is received.
6. The power management method of claim 5, wherein when the normal response signal is not received after a preset time, the malfunction alerting function is recalled to wait for a normal signal of the power system.
7. The power management method of claim 2, wherein detecting whether the power output meets the output criteria and receiving the output normal signal includes the following steps;
calling a system enabling parameter function;
the system detects and outputs a normal signal;
receiving the output normal working signal.
8. The power management method of claim 7, wherein when the normal operation signal is not received after a preset time, the system enable parameter function is recalled to wait for the system to detect and output the normal signal.
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| CN201910918626.3A CN110601563A (en) | 2019-09-26 | 2019-09-26 | Centralized processing power supply management system and power supply management method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114884328A (en) * | 2022-05-19 | 2022-08-09 | 东风柳州汽车有限公司 | Power management control system |
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Cited By (1)
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| CN114884328A (en) * | 2022-05-19 | 2022-08-09 | 东风柳州汽车有限公司 | Power management control system |
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