CN106569922A - Method and device for burn calibration and verification of electric power management IC - Google Patents

Method and device for burn calibration and verification of electric power management IC Download PDF

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Publication number
CN106569922A
CN106569922A CN201610908440.6A CN201610908440A CN106569922A CN 106569922 A CN106569922 A CN 106569922A CN 201610908440 A CN201610908440 A CN 201610908440A CN 106569922 A CN106569922 A CN 106569922A
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China
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circuit
voltage
circuit tester
current
tester
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CN201610908440.6A
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CN106569922B (en
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邓振东
曹志文
陈思波
黄建科
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Huizhou Blueway Electronic Co Ltd
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Huizhou Blueway Electronic Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/22Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
    • G06F11/2273Test methods

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Individual Semiconductor Devices (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The invention discloses a method for burn calibration and verification of an electric power management IC. The method comprises the following steps that a circuit for controlling voltage reference sampling and a circuit for controlling current reference sampling in a circuit are integrated into a new module; the voltage reference sampling circuit controls a universal meter to be connected to the universal meter in parallel, and voltage reference sampling points are B+ and B- test points of a product; the current reference sampling circuit controls the universal meter to be connected to the universal meter in series, and current reference sampling points are B+ and P- test points of the product; voltage reference collection and current reference collection use one test point B- simultaneously; and the two modular reference sampling circuits are called in a relay switching mode. Through adoption of a transformed 20-channel burn calibration and verification integrated device, only one Agilent universal meter is needed, so that the production cost is reduced and the investment is saved.

Description

A kind of managing electric quantity IC burnings calibration method of calibration and device
Technical field
The present invention relates to hardware art, more particularly to a kind of managing electric quantity IC burnings calibration method of calibration and device.
Background technology
The verification integration apparatus manufacturing cost of company BQ series managing electric quantity IC burnings calibration at present is higher, and every equipment Circuit tester usage quantity is two, and only two circuit tester cost payouts account for 3/10ths of cost of equipment or so, circuit tester expense Go out to take equipment expense proportion higher, increased entreprise cost, reduce benefit.Meanwhile, existing BQ series managing electric quantity IC Burning calibration verification integration apparatus carry out control voltage current reference respectively using the modular circuit of " split control circuit tester " Test so that two circuit testers are corresponded and carry out test voltage current reference, and this voltage x current benchmark sample mode is still Larger improvement space is so there is, device fabrication cost is reduced.Therefore, existing BQ series managing electric quantities IC how is overcome to burn Deficiency in record calibration verification integration apparatus, reduces production cost, and improving the performance of enterprises becomes enterprise's problem demanding prompt solution.
The content of the invention
Based on this, the invention provides a kind of managing electric quantity IC burnings calibration method of calibration and device.
Method of calibration is calibrated in a kind of managing electric quantity IC burnings, including:
The circuit of control voltage benchmark sampling in circuit and the circuit of control electric current benchmark sampling are integrated in into a new module;
Voltage reference sample circuit controls circuit tester by the way of in parallel with circuit tester, and voltage reference sampled point is the B+ of product With B- test points;Current reference sample circuit controls circuit tester by the way of connecting with circuit tester, and current reference sampled point is Two test points of B- and P- of product;
Voltage reference is gathered and current reference collection is common and has used test point B-;The tune of two kinds of module reference sample circuits With adopt " relay " and switching pattern carry out.
Preferably, methods described includes:
When monolithic controls circuit tester module, and communication byte instruction is 0x01, voltage reference sampling module circuit is called, enable peace The anode and negative terminal of the voltage detecting port of prompt human relations circuit tester;
When communication byte instruction is 0x02, then current reference sampling module circuit is called, enable the current detecting port of circuit tester Anode and with voltage share negative terminal.
Preferably, methods described also includes:
Industrial computer is connected by " USB ", and by software remotely control circuit tester is removed.
Preferably, methods described also includes:
Transmission instruction is driven circuit tester and is acquired voltage x current.
Preferably, methods described also includes:
Collection numerical value out carries out USB transmission into upper industrial computer internal memory, is then gone out by certain Conversion Calculation aobvious The end value shown.
Calibration equipment is calibrated in a kind of managing electric quantity IC burnings, and described device includes:
Integrated unit, for the circuit of control voltage benchmark sampling in circuit and the circuit of control electric current benchmark sampling to be integrated in One new module;
Connection unit, circuit tester is controlled by the way of in parallel with circuit tester for voltage reference sample circuit, and voltage reference is adopted Sampling point is the B+ and B- test point of product;Current reference sample circuit controls circuit tester by the way of connecting with circuit tester, electricity Stream Standard Sampling Point is two test points of B- and P- of product;
And unit is used, gather jointly and used test point B- for voltage reference collection and current reference;Two kinds of module bases Quasi- sample circuit calls employing " relay " pattern of switching carries out.
Preferably, described device includes:
First enables unit, for when monolithic controls circuit tester module, and communication byte instruction is 0x01, then calling voltage reference Sampling module circuit, enables the anode and negative terminal of the voltage detecting port of Agilent circuit tester;
Second enables unit, for when the byte instruction that communicates is 0x02, then calling current reference sampling module circuit, then enables The anode of the current detecting port of Agilent circuit tester and the negative terminal shared with voltage.
Preferably, described device also includes:
Remote control unit, for connecting by " USB " when industrial computer, by software remotely control Agilent circuit tester is removed.
Preferably, described device also includes:
Collecting unit, for sending instruction and being driven circuit tester voltage x current is acquired.
Preferably, described device also includes:
Display unit, USB transmission is carried out into upper industrial computer internal memory, then by certain for the numerical value when collection out Conversion Calculation go out the end value of display.
Beneficial effect:
A kind of managing electric quantity IC burnings calibration method of calibration of the present invention, methods described includes:By control voltage benchmark in circuit The circuit of sampling and the circuit of control electric current benchmark sampling are integrated in a new module;Voltage reference sample circuit controls general-purpose By the way of in parallel with circuit tester, voltage reference sampled point is the B+ and B- test point of product to table;Current reference sample circuit By the way of connecting with circuit tester, current reference sampled point is two test points of B- and P- of product to control circuit tester;Voltage Benchmark is gathered and current reference collection is common and has used test point B-;Two kinds of module reference sample circuits call employing The pattern of " relay " switching is carried out.Take improved 20 passage burning calibration verification integration apparatus, it is only necessary to use One Agilent circuit tester, reduces production cost, saves input.
Description of the drawings
Fig. 1 is a kind of managing electric quantity IC burnings calibration method of calibration flow chart of the present invention.
Fig. 2 is a kind of managing electric quantity IC burnings calibration calibration equipment flow chart of the present invention.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is right below in conjunction with drawings and Examples The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, and It is not used in the restriction present invention.
Fig. 1 is refer to, method of calibration is calibrated in a kind of managing electric quantity IC burnings, and methods described includes:
S100:By the circuit of control voltage benchmark sampling in circuit and the circuit of control electric current benchmark sampling be integrated in one it is new Module;
S200:Voltage reference sample circuit controls circuit tester by the way of in parallel with circuit tester, and voltage reference sampled point is to produce The B+ and B- test point of product;Current reference sample circuit controls circuit tester by the way of connecting with circuit tester, and current reference is adopted Sampling point is two test points of B- and P- of product;
S300:Voltage reference is gathered and current reference collection is common and has used test point B-;Two kinds of module reference sampling electricity Employing is called on road " relay " pattern of switching carries out.
Wherein in one embodiment, methods described includes:
When monolithic controls circuit tester module, and communication byte instruction is 0x01, voltage reference sampling module circuit is called, enable peace The anode and negative terminal of the voltage detecting port of prompt human relations circuit tester;
When communication byte instruction is 0x02, current reference sampling module circuit is called, enable the current detecting of Agilent circuit tester The anode of port and the negative terminal shared with voltage.
Wherein in one embodiment, methods described also includes:
Industrial computer is connected by " USB ", and by software remotely control Agilent circuit tester is removed.
Wherein in one embodiment, methods described also includes:
Transmission instruction is driven Agilent circuit tester and is acquired voltage x current.
Wherein in one embodiment, methods described also includes:
Collection numerical value out carries out USB transmission into upper industrial computer internal memory, is then gone out by certain Conversion Calculation aobvious The end value shown.
Fig. 2 is refer to, calibration equipment is calibrated in a kind of managing electric quantity IC burnings, and described device includes:
Integrated unit 101, for the circuit collection that the circuit and control electric current benchmark of control voltage benchmark sampling in circuit are sampled Cheng Yuyi new module;
Connection unit 102, for voltage reference sample circuit control circuit tester by the way of in parallel with circuit tester, voltage reference Sampled point is the B+ and B- test point of product;Current reference sample circuit controls circuit tester by the way of connecting with circuit tester, Current reference sampled point is two test points of B- and P- of product;
And with unit 103, for voltage reference collection and current reference test point B- is gathered jointly and has used;Two kinds of modules Benchmark sample circuit calls employing " relay " pattern of switching carries out.
Wherein in one embodiment, described device includes:
First enables unit, for when monolithic controls circuit tester module, and communication byte instruction is 0x01, then calling voltage reference Sampling module circuit, enables the anode and negative terminal of the voltage detecting port of Agilent circuit tester;
Second enables unit, for when the byte instruction that communicates is 0x02, calling current reference sampling module circuit, enables peace prompt The anode of the current detecting port of human relations circuit tester and the negative terminal shared with voltage.
Wherein in one embodiment, described device also includes:
Remote control unit, for connecting by " USB " when industrial computer, by software remotely control Agilent circuit tester is removed.
Wherein in one embodiment, described device also includes:
Collecting unit, for sending instruction and being driven Agilent circuit tester voltage x current is acquired.
Wherein in one embodiment, described device also includes:
Display unit, USB transmission is carried out into upper industrial computer internal memory, then by certain for the numerical value when collection out Conversion Calculation go out the end value of display.
A kind of method for realizing managing electric quantity IC burnings calibration verification of the present invention, methods described includes:To control in circuit The circuit of voltage reference sampling processed and the circuit of control electric current benchmark sampling are integrated in a new module;
Voltage reference sample circuit controls circuit tester by the way of in parallel with circuit tester, and voltage reference sampled point is the B+ of product With B- test points;Current reference sample circuit controls circuit tester by the way of connecting with circuit tester, and current reference sampled point is Two test points of B- and P- of product;Voltage reference is gathered and current reference collection is common and has used test point B-;Two kinds The pattern that employing " relay " switches of calling of module reference sample circuit is carried out.Take improved 20 passage burning calibration school Test the scheme (taking an independent Agilent circuit tester) of integration apparatus.
1. this single-unit BQ managing electric quantity products burning calibration verification integration apparatus hardware plate increases the " control of integral type Single circuit tester carries out voltage x current benchmark sampling " fit circuit.
A. in circuit the circuit of control voltage benchmark sampling and the circuit of control electric current benchmark sampling be integrated in one it is new Module.Voltage reference sample circuit controls circuit tester by the way of in parallel with circuit tester, and voltage reference sampled point is the B of product + and B- test points;Current reference sample circuit controls circuit tester by the way of connecting with circuit tester, and current reference sampled point is Two test points of B- and P- of product.Voltage reference is gathered and current reference collection is common and has used test point B-.Two kinds Module reference sample circuit calls employing " relay " pattern of switching carries out, and such as monolithic controls circuit tester module, communication word When section instruction is 0x01, voltage reference sampling module circuit is called, enable the anode of the voltage detecting port of Agilent circuit tester And negative terminal;When communication byte instruction is 0x02, current reference sampling module circuit is called, enable the electric current inspection of Agilent circuit tester The anode for surveying port and the negative terminal shared with voltage.Wherein industrial computer is connected by " USB ", goes remotely control to pacify by software Prompt human relations circuit tester, then transmission instruction is driven Agilent circuit tester and is acquired voltage x current, and the numerical value for gathering out enters Then row USB transmission goes out the end value of display into upper industrial computer internal memory by certain Conversion Calculation.
B. hardware benefits:
1. the newly-increased benchmark reading circuit integrated level of equipment is high
The newly-increased benchmark reading circuit hardware integration degree of equipment is high, using increased " isolation filter circuit ", in sample port plus Voltage x current wave filtering circuit is entered, the effective filtering clutter of energy realizes the precision of sampled voltage current reference value.
2. equipment extensibility is strong
The newly-increased benchmark reading circuit hardware point of view of equipment has also reserved the circuit configuration of " resistance sampling test ", while providing electricity Resistance test interface, it also can call this " resistance sampling test circuit " by switch communication mode, by testing NTC resistance Resistance, can converse current ambient temperature value.
3. the benchmark reading circuit communications efficiency high that equipment is increased newly, reliability is high
1. newly-increased benchmark reading circuit adopts baud rate to be controlled for 56000, can quickly order about switching control general-purpose Table connects, and circuit tester is connected rapidly and turns on certain test circuit;
2. newly-increased benchmark reading circuit outside need not extend many serial ports, and the single-chip microcomputer in benchmark reading circuit serves as " from single-chip microcomputer " image, can receive the host scm control on master control borad, can accept the order of ordering about of host scm, therefore this Newly-increased benchmark reading circuit can be with a shared communication serial port in governor circuit.Extended serial port is reduced, industrial computer is reduced Operating load.
1)Software respective:
A. a kind of method that product voltage x current benchmark reads:
Software respective is mainly from " voltage " and " electric current " two major parts to be finely divided.In terms of first software control carries out voltage Test, when the test in terms of carrying out voltage reference, carries out first the voltage reference sampling of certain passage, its voltage base after sampling The voltage reference standard value of quasi- value and this passage(Voltage reference standard value good set by each passage before test, as One standard in channel voltage source)Compare, if the absolute value of both differences is within the limits prescribed(Such as in ± 1.2mV, people Member can set), then the voltage reference test of next passage is continued(Because benchmark sampling test is all belonging to serial manner, All it is the incremental test of passage one by one).If the absolute value of both differences is opened beyond the scope of regulation, current channel The reading model of dynamic circulating sampling, the setting that the number of times of this circulating sampling can be artificial(Usually it is defaulted as 6 times), start and fix During the circulating sampling benchmark of number of times, the voltage reference value sampled is stored in respectively in computer memory(Deposited in the form of variable Storage), then remove voltage reference maximum and minima that current channel is sampled, then in remaining sampled value, do 4 times Cumulative Weighted Average Algorithm, tries to achieve the voltage reference value of current channel, and then this weighted average converses the voltage reference for coming Value compares again with the voltage reference standard value of this passage, if both absolute differences are in allowed limits, current channel Voltage reference is sampled successfully, on the contrary then current channel voltage reference sampling failure, then continue the benchmark sampling of next passage.Electric current The mode of benchmark sampling is also so ibid.
C. circuit tester is applied with device numbering bindingization:
Device software increase and circuit tester between identification function, i.e., when device software initialize can pass through industrial computer this Individual carrier, is communicated by USB port with circuit tester, and upper software sends " identification multimeter model numbering " and refers to circuit tester Order, return OK to be communicated is then stored in current industrial computer " model of Agilent circuit tester " that be currently applied to this equipment Internal memory in, when before product test, the device numbering (uniqueness) with the equipment is stored accordingly in the server as condition The table of " circuit tester number and device numbering " related relevant information【It is interior in table to have assembly line(Can update), device numbering (Uniqueness), circuit tester numbering(Renewal can be changed)】In carry out query search.If exist in table being with this device numbering Major key(Uniqueness)Relevant information record, then the Agilent ten thousand for not checking the assembly line in this record not and not applying on current device With table numbering whether with the relevant information that obtains in current local test software(Assembly line not, number by circuit tester)Unanimously, such as Fruit unanimously then continues ensuing test, if once have a content inconsistent, corresponding relevant information is updated at once(Group Wiring is not or circuit tester is numbered);If do not existed with this device numbering as major key in table(Uniqueness)Relevant information record, Then software is controlled current acquired information(Device numbering, assembly line not, number by the Agilent circuit tester of apparatus bound)One Play binding to preserve into the corresponding table in server.
This kind of method can effectively bundle equipment and circuit tester information, and user can be allowed to pass through in server in this respect Information table can quickly position the appliance of multimeter of certain model in that equipment, which workshop be positioned at, any bar production line. Improve the maintenance efficiency of operating personnel.
Former scheme:The scheme for taking former 20 passage burning calibration verification integration apparatus (takes two Agilent general-purposes Table);
New departure:The scheme for taking improved 20 passage burning calibration verification integration apparatus (takes an independent Agilent Circuit tester);
Reduce expense:Burning calibration verification integration apparatus per the passage of platform 20 reduce 1 Agilent circuit tester, according to per platform Agilent circuit tester 1.5 ten thousand is calculated, and online 100 integration apparatus can save altogether 1,500,000 yuan.
Operation logic of the present invention is described in detail above, the explanation of above-mentioned operation logic is only intended to help and understands this Bright method and its core concept;Simultaneously for one of ordinary skill in the art, according to the thought of the present invention, concrete real Apply and be will change in mode and range of application, in sum, this specification content should not be construed as the limit to the present invention System.

Claims (10)

1. method of calibration is calibrated in a kind of managing electric quantity IC burnings, it is characterised in that included:
The circuit of control voltage benchmark sampling in circuit and the circuit of control electric current benchmark sampling are integrated in into a new module;
Voltage reference sample circuit controls circuit tester by the way of in parallel with circuit tester, and voltage reference sampled point is the B+ of product With B- test points;Current reference sample circuit controls circuit tester by the way of connecting with circuit tester, and current reference sampled point is Two test points of B- and P- of product;
Voltage reference is gathered and current reference collection is common and has used test point B-;The tune of two kinds of module reference sample circuits With adopt " relay " and switching pattern carry out.
2. method of calibration is calibrated in managing electric quantity IC burnings according to claim 1, it is characterised in that included:
When monolithic controls circuit tester module, and communication byte instruction is 0x01, voltage reference sampling module circuit is called, enable peace The anode and negative terminal of the voltage detecting port of prompt human relations circuit tester;
When communication byte instruction is 0x02, current reference sampling module circuit is called, enable the current detecting port of circuit tester Anode and the negative terminal shared with voltage.
3. method of calibration is calibrated in managing electric quantity IC burnings according to claim 1, it is characterised in that included:
Industrial computer is connected by " USB ", and by software remotely control circuit tester is removed.
4. method of calibration is calibrated in managing electric quantity IC burnings according to claim 1, it is characterised in that also included:
Transmission instruction is driven circuit tester and is acquired voltage x current.
5. method of calibration is calibrated in managing electric quantity IC burnings according to claim 1, it is characterised in that also included:
Collection numerical value out carries out USB transmission into upper industrial computer internal memory, is then gone out by certain Conversion Calculation aobvious The end value shown.
6. calibration equipment is calibrated in a kind of managing electric quantity IC burnings, it is characterised in that included:
Integrated unit, for the circuit of control voltage benchmark sampling in circuit and the circuit of control electric current benchmark sampling to be integrated in One new module;
Connection unit, circuit tester is controlled by the way of in parallel with circuit tester for voltage reference sample circuit, and voltage reference is adopted Sampling point is the B+ and B- test point of product;Current reference sample circuit controls circuit tester by the way of connecting with circuit tester, electricity Stream Standard Sampling Point is two test points of B- and P- of product;
And unit is used, gather jointly and used test point B- for voltage reference collection and current reference;Two kinds of module bases Quasi- sample circuit calls employing " relay " pattern of switching carries out.
7. calibration equipment is calibrated in managing electric quantity IC burnings according to claim 6, it is characterised in that included:
First enables unit, for when monolithic controls circuit tester module, and communication byte instruction is 0x01, then calling voltage reference Sampling module circuit, enables the anode and negative terminal of the voltage detecting port of circuit tester;
Second enables unit, for when the byte instruction that communicates is 0x02, calling current reference sampling module circuit, then enables ten thousand With the anode of the current detecting port of table and the negative terminal shared with voltage.
8. calibration equipment is calibrated in managing electric quantity IC burnings according to claim 6, it is characterised in that also included:
Remote control unit, for connecting by " USB " when industrial computer, by software remotely control circuit tester is removed.
9. calibration equipment is calibrated in managing electric quantity IC burnings according to claim 6, it is characterised in that also included:
Collecting unit, for sending instruction and being driven circuit tester voltage x current is acquired.
10. calibration equipment is calibrated in managing electric quantity IC burnings according to claim 6, it is characterised in that also included:
Display unit, USB transmission is carried out into upper industrial computer internal memory, then by certain for the numerical value when collection out Conversion Calculation go out the end value of display.
CN201610908440.6A 2016-10-17 2016-10-17 Electric quantity management IC burning calibration verification method and device Active CN106569922B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109521355A (en) * 2018-10-30 2019-03-26 惠州市蓝微电子有限公司 A kind of burning calibration method of calibration of managing electric quantity IC
CN111044964A (en) * 2019-12-31 2020-04-21 惠州市蓝微电子有限公司 Voltage and current reference debugging method and device

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2060897U (en) * 1989-08-26 1990-08-22 山东省纺织工业电脑技术咨询服务中心 Intelligent on-line multi-test electric meter
US5627837A (en) * 1994-08-23 1997-05-06 Alcatel Network Systems, Inc. Apparatus and method for suppressing protection switching in a digital communication system in the event of an error burst
US20050160334A1 (en) * 2003-12-16 2005-07-21 Hideki Kabune Apparatus for detecting A/D converter abnormality
CN200993670Y (en) * 2006-12-16 2007-12-19 扬州恒信仪表有限公司 IC card circuit board detection conversion device
CN101763158A (en) * 2009-12-22 2010-06-30 中国航空工业集团公司第六三一研究所 Power supply monitoring and isolation control system for airborne equipment computer
CN101769957A (en) * 2010-02-02 2010-07-07 株洲南车时代电气股份有限公司 Automatic switching circuit for voltage and current measurement and method thereof
CN101839936A (en) * 2009-03-19 2010-09-22 北京普源精电科技有限公司 Current measurement device
CN103698691A (en) * 2013-12-27 2014-04-02 珠海银隆电器有限公司 Automatic detection calibration device and automatic detection calibration method of electric car bridge board
CN104133167A (en) * 2013-04-30 2014-11-05 鸿富锦精密工业(深圳)有限公司 DC step-down circuit test system and method
CN204086477U (en) * 2014-10-20 2015-01-07 沈阳工程学院 A kind of multi-channel signal acquiring frock

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2060897U (en) * 1989-08-26 1990-08-22 山东省纺织工业电脑技术咨询服务中心 Intelligent on-line multi-test electric meter
US5627837A (en) * 1994-08-23 1997-05-06 Alcatel Network Systems, Inc. Apparatus and method for suppressing protection switching in a digital communication system in the event of an error burst
US20050160334A1 (en) * 2003-12-16 2005-07-21 Hideki Kabune Apparatus for detecting A/D converter abnormality
CN200993670Y (en) * 2006-12-16 2007-12-19 扬州恒信仪表有限公司 IC card circuit board detection conversion device
CN101839936A (en) * 2009-03-19 2010-09-22 北京普源精电科技有限公司 Current measurement device
CN101763158A (en) * 2009-12-22 2010-06-30 中国航空工业集团公司第六三一研究所 Power supply monitoring and isolation control system for airborne equipment computer
CN101769957A (en) * 2010-02-02 2010-07-07 株洲南车时代电气股份有限公司 Automatic switching circuit for voltage and current measurement and method thereof
CN104133167A (en) * 2013-04-30 2014-11-05 鸿富锦精密工业(深圳)有限公司 DC step-down circuit test system and method
CN103698691A (en) * 2013-12-27 2014-04-02 珠海银隆电器有限公司 Automatic detection calibration device and automatic detection calibration method of electric car bridge board
CN204086477U (en) * 2014-10-20 2015-01-07 沈阳工程学院 A kind of multi-channel signal acquiring frock

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109521355A (en) * 2018-10-30 2019-03-26 惠州市蓝微电子有限公司 A kind of burning calibration method of calibration of managing electric quantity IC
CN109521355B (en) * 2018-10-30 2021-10-26 惠州市蓝微电子有限公司 Burning calibration verification method of electric quantity management IC
CN111044964A (en) * 2019-12-31 2020-04-21 惠州市蓝微电子有限公司 Voltage and current reference debugging method and device

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