CN104133185B - More piece managing electric quantity IC multichannel calibration calibration equipment and method - Google Patents
More piece managing electric quantity IC multichannel calibration calibration equipment and method Download PDFInfo
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- CN104133185B CN104133185B CN201410315709.0A CN201410315709A CN104133185B CN 104133185 B CN104133185 B CN 104133185B CN 201410315709 A CN201410315709 A CN 201410315709A CN 104133185 B CN104133185 B CN 104133185B
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Abstract
The present invention provides a kind of more piece managing electric quantity IC multichannel calibration calibration equipment and method, this method mainly controls multiple lane testing plates to carry out concurrent testing to more piece managing electric quantity IC simultaneously by master control borad, and more piece managing electric quantity IC voltage x current precision is calibrated using the Closed-cycle correction method of localization in test process；In addition, carrying out the adjustment of precision to the battery core plate and electric current plate of each passage of equipment by using passage selftest module, the precision adjustment to the voltage x current a reference source of equipment of itself is realized, it is ensured that the stability of equipment a reference source；And this method is always according to being actually needed multiple combination of channels using combination of channels module into one big passage, with the testing requirement for the managing electric quantity IC for meeting multi-quantity joint number.The method of the present invention is using multichannel while the mode of concurrent testing, improve the efficiency tested more piece managing electric quantity IC, enhance multichannel and calibrate the scalability of calibration equipment, and disclosure satisfy that demand of the user according to actual conditions flexible configuration passage, reduce customer using cost.
Description
Technical field
Method of calibration is calibrated the present invention relates to one kind, more particularly to the multichannel calibration of more piece managing electric quantity IC a kind of is verified
Apparatus and method.
Background technology
Application with more piece managing electric quantity product gradually increases, and calibration method of calibration is carried out to more piece managing electric quantity product
Also it is widely studied with equipment, the traditional calibration for realizing more piece product verification is to be based on auspicious Sa managing electric quantity IC（Integrated circuit）
On the basis of, the correction of the voltage x current precision of product is carried out by the way of pneumatic type, which uses manual welding fixture
Product is turned on, auspicious Sa managing electric quantity product is realized by pure manual mode single channel（Applied to certain more piece managing electric quantity
Product）Calibration verification, but this method is limited by Renesas, and the single pass implementation of pure craft causes this method to make
Industry inefficiency, limitation is big, poor expandability, and this method also has input cost height, and integrated testability stability is poor, burns
Write abnormal error rate height and the low shortcoming of Quality Safety coefficient.
On the other hand, managing electric quantity IC applies more and more extensive, high-end product pair in the power supply industry of current mobile electron
Managing electric quantity IC required precision also more and more higher, such as electronic product APPLE, NOKIA (Samsung, Sony) etc., texas,U.S instrument
The managing electric quantity IC that device company's T I makes requires that it realizes high-precision calibration voltage electric current.
Therefore, it is badly in need of a kind of efficient, expansible, inexpensive and high performance more piece managing electric quantity production in current industry
The calibration calibration equipment and method of product.
The content of the invention
Being economized on electricity the technical problem to be solved in the present invention is to provide one kind is expansible, high-performance and efficient realization more
Buret reason IC calibration calibration equipment and method, improves the high efficiency and accuracy corrected to more piece managing electric quantity IC.
In order to solve the above problems, the present invention provides the multichannel calibration calibration equipment of more piece managing electric quantity IC a kind of, should
Equipment includes master control borad, serial communication port, multiple lane testing plates, passage selftest module and calibration correction verification module, wherein：
Serial communication port, receives for master control borad and drives running signal from host computer；
Master control borad, for controlling multiple lane testing plates to carry out calibration verification to more piece managing electric quantity IC；
Multiple lane testing plates, for the more piece managing electric quantity IC to respective channel while concurrent testing；
Passage selftest module, for recognizing whether current channel is in upstate；
Correction verification module is calibrated, for taking Closed-cycle correction method to carry out school to more piece managing electric quantity IC voltage x current precision
Just.
Preferably, the passage selftest module is further used for the voltage x current essence of each passage in automatic search equipment
Degree, if finding, the voltage x current precision drift in passage is serious, intelligentized startup self-correcting pattern, to the electricity of each passage of equipment
Core plate and electric current plate carry out the adjustment of precision.
Preferably, the multichannel calibration calibration equipment of the more piece managing electric quantity IC also includes combination of channels module, is used for
By multiple combination of channels into one big passage；
Preferably, the multichannel calibration calibration equipment of the more piece managing electric quantity IC also includes the stability aging survey of itself
Console module is tried, the console module is used for the voltage x current precision of intelligent test equipment itself, and makes corresponding voltage
Current precision CPK values（CPK：Complex Process Capability index abbreviation, is that modern enterprise is used to represent
The index of process capability.CPK values are bigger to represent that quality is better）With corresponding voltage x current precision CPK distribution maps.
Preferably, the stability burn-in test console module is further used for setting ageing cycle number of times, and setting is each
The battery core joint number of the aging of passage and the base standard value of voltage x current precision.
Preferably, the multichannel calibration calibration equipment of the more piece managing electric quantity IC uses modularization, encapsulation and module
The method of testing of change realizes the test of test event, while preserving the related packaging information of test event.
Preferably, each lane testing plate is made up of one block of battery core plate and one piece of electric current plate, and each passage
In battery core plate and electric current plate inserted by the way of straight cutting before and after parallel interval on master control borad in corresponding slot.
In order to solve the above-mentioned technical problem, verification is calibrated present invention also offers the multichannel of more piece managing electric quantity IC a kind of
Method, this method comprises the following steps：
1）Host computer is sent to master control borad by serial ports and drives running signal；
2）Master control borad calls corresponding test module, drives multiple lane testing plates to the more piece managing electric quantity of respective channel
IC is while concurrent testing；
3）Passage selftest module carries out self-inspection to each channel status, if channel status OK, into step 4）, otherwise send
Alarm signal；
4）Into calibration mode, each lane testing plate is compensated according to the initial voltage current precision stored in local data base
Value carries out parallel voltage x current calibration to managing electric quantity IC；
5）Into checking mode, each passage managing electric quantity IC voltage x current accuracy value is read, and is stored in local data
In storehouse；
6）Calculate and be currently needed for the voltage x current accuracy compensation value for being supplied to each passage；
7）Utilize step 6）The accuracy compensation value calculated is carried out to the voltage x current precision of managing electric quantity IC in each passage
Calibration, while the accuracy compensation value that this is calculated is preserved in the local database, next time is again initial after being closed as software
Local voltage x current accuracy compensation value is called for the first time after software.
Preferably, the step 2）Also include, several big passages will be combined into multiple passages, several big passages
Simultaneously to the more piece managing electric quantity IC concurrent testings of same number.
Preferably, the step 3）In also include：The voltage of each passage in the automatic search equipment of passage selftest module
Current precision, if finding, the voltage x current precision drift in passage is serious, intelligentized startup self-correcting pattern, each to equipment logical
The battery core plate and electric current plate in road carry out the adjustment of precision.
Preferably, each passage uses the control source method of multiplexing type.
Compared with prior art, the present invention has the advantage that and beneficial effect：
1st, using the parallel test mode of multichannel so that test equipment scalability is strong, and test scope is big；
2nd, interchannel battery core plate and electric current plate arrangement are effectively prevented because of big electricity by the way of straight cutting before and after parallel interval
Current test and the interference of high-strength magnetic ripple produced, the current precision stability of lifting means itself；
3rd, combination of channels module by multiple combination of channels into one big passage so that user can test the more piece saved more than N
Managing electric quantity product, can need flexibly allotment port number according to product；
4th, test equipment is based on processor of single chip computer, and independent development control program flexibly calls calibration, correction verification module, body
The integral structure of test equipment is showed；
5th, test equipment uses the voltage input circuit of each channel multiplexing formula, control source efficiency high；；
6th, running background more piece product calibration verification data record is preserved to local storage and or server, can be so as to
Reviewed in quality, attributional analysis, date, data foundation can be provided for the effective quality abnormal that solves；
7th, using Intelligent Recognition tunneling traffic situation, electric situation on effective identification channel contact prevents passage is anti-inserted from inserting
Wrong phenomenon, Quality Accident occurs caused by effectively avoiding because taking plate error；
8th, test equipment exploitation uses local test data feedback Closed-cycle correction system calibration offset voltage current precision.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, attached required in being described below to embodiment
Figure does simple introduction, it should be apparent that, drawings discussed below is only some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the hardware module structure chart that managing electric quantity IC of the present invention calibrates calibration equipment；
Fig. 2 is the closed-loop corrected workflow of managing electric quantity IC calibrations calibration equipment of the present invention.
Embodiment
Clear, complete description is carried out to technical scheme below by embodiment combination accompanying drawing, is shown
So, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments, the reality based on the present invention
Example is applied, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made all belongs to
In the scope of protection of the invention.
According to one embodiment of present invention, it is assumed that need to complete the test that 15 amount of electricity saving manages IC, then provided
More piece managing electric quantity IC calibration calibration equipments are included with lower module：
Master control borad, calibration verification is carried out for control passage test board to more piece managing electric quantity IC；
5 lane testing plates, using 1 block of battery core plate and 1 piece of electric current plate combination collocation into by the way of 1 TCH test channel, together
Wherein one section that Shi Shixian is tested in 5 passages, a TCH test channel correspondence 5 amount of electricity saving management IC, to realize 5 TCH test channels
Manage each section in IC to 5 amount of electricity saving simultaneously to test, wherein the battery core quantity that 1 block of battery core plate is provided is 1 section（1 block of electricity
The battery core quantity that core plate is provided can be at most 6 sections）, electric current plate support test 5A electric current（Electric current plate maximum can support 30A electricity
Stream）.Interchannel battery core plate and electric current plate arrangement are effectively prevented because of high current by the way of straight cutting before and after parallel interval simultaneously
The interference for the high-strength magnetic ripple tested and produced, the current precision stability of lifting means itself；
Passage selftest module, the state for recognizing current channel, if channel status OK, enters product and calibrates calibration mode
Formula, if channel status NG, sends alarm signal；This passage selftest module can effectively recognize the communication line of current channel
The situation such as conducting situation and the whether anti-inserted, wrong plug of interchannel；Moreover it is possible to which the voltage of each passage is electric in automatic search equipment
Precise manner is flowed, once find that the voltage x current precision drift in passage is serious, intelligentized startup self-correcting pattern, starting device
The instruction platform of precision, battery core plate and electric current plate to each passage of equipment carry out the instruction of precision, realize the electricity to equipment of itself
The precision instruction of current voltage a reference source, realizes the soft compensation of equipment itself, it is ensured that the stability of equipment a reference source；
Correction verification module is calibrated, for taking the Closed-cycle correction method of localization to more piece managing electric quantity IC voltage x current essence
Degree carries out soft compensation.
According to another preferred embodiment of the invention, when needing the managing electric quantity IC of 5 10 sections of test simultaneously, then carried
The more piece managing electric quantity IC calibration calibration equipments of confession are included with lower module：
Master control borad, calibration verification is carried out for control passage test board to more piece managing electric quantity IC；
10 lane testing plates, using 1 block of battery core plate and 1 piece of electric current plate combination collocation into by the way of 1 TCH test channel, together
Shi Shixian tests 10 passages, wherein the battery core quantity that 1 block of battery core plate is provided is 6 most sections, electric current plate supports full test
Electric current 30A.Interchannel battery core plate and electric current plate arrangement are effectively prevented because big by the way of straight cutting before and after parallel interval simultaneously
Testing current and the interference of high-strength magnetic ripple produced, the current precision stability of lifting means itself；
Combination of channels module, two passage aisles are controlled using Atmel Mega64 single-chip microcomputers by way of changing delivery outlet
（6 economize on electricity cores）Serve as one big passage（12 economize on electricity cores）Carry out the test of the more piece product of the section of test 10.When by two passage aisles
When being combined into a big passage, each big passage of this equipment can test the product of 1 10 section, while 10 passage aisles are then
Become 5 big passage, and parallel detection while can realize 5 10 section products of 5 big passage.
There are 10 passages in equipment, 20 slots, two slots of one of passage correspondence, two are built-in with master control borad
A slot in individual slot is used to connect battery core plate, and another slot is used to connect electric current plate, in order to test so that a passage is surveyed
Examination one is more than the product of 6 sections, then can use single-chip microcomputer to control the delivery outlet of TCH test channel, two passage aisles are combined as into one
Big passage, realizes the detection for the product for being more than 6 sections.By introduction passage composite module can embodiment device battery core combine it is flexible
Property, equipment tests the region popularity of more piece product.
Passage selftest module, the state for recognizing current channel, if channel status OK, enters product and calibrates calibration mode
Formula, if channel status NG, sends alarm signal；This passage selftest module can effectively recognize the communication line of current channel
The situation such as conducting situation and the whether anti-inserted, wrong plug of interchannel；Moreover it is possible to which the voltage of each passage is electric in automatic search equipment
Precise manner is flowed, once find that the voltage x current precision drift in passage is serious, intelligentized startup self-correcting pattern, starting device
The instruction platform of precision, battery core plate and electric current plate to each passage of equipment carry out the instruction of precision, realize the electricity to equipment of itself
The precision instruction of current voltage a reference source, realizes the soft compensation of equipment itself, it is ensured that the stability of equipment a reference source；
Correction verification module is calibrated, for taking the Closed-cycle correction method of localization to more piece managing electric quantity IC voltage x current essence
Degree carries out soft compensation.
Preferably, " method of testing " component is used during the multichannel calibration calibration equipment test of the more piece managing electric quantity IC
Change, encapsulation, modularization, there is provided method widget library, during for test event, user by the way of designer for test event
Packaged method of testing module can be flexibly called in " method widget library " according to the required method of test event, combination is surveyed
Method for testing realizes the test of the test event, while preserving the related packaging information of test event, sufficiently should provide the user with
Use flexibility.
Preferably, the multichannel calibration calibration equipment of the managing electric quantity IC is also put down including the stability burn-in test of itself
Platform module, the console module can intelligent test equipment itself voltage x current precision, and make corresponding voltage x current essence
CPK values are spent, corresponding voltage x current precision CPK distribution maps is printed, is easy to monitoring management of the quality personnel to equipment.This platform branch
6 economize on electricity core voltage accuracies in circulation one passage of reading are held, and carry out passage switching one by one and read current precision, support simultaneously
User sets " ageing cycle " number of times, sets " the battery core joint number of aging " of each passage, " base standard of voltage x current precision
Value ".
Preferably, the multichannel calibration calibration equipment of the managing electric quantity IC supports the work(of " point examines platform to precision by hand "
Can, the voltage accuracy of the external universal meter manual test equipment economize on electricity core of user and the current precision of certain passage are supported, while this
Point inspection platform reads the voltage accuracy value and current precision value of actual measurement in comparison, intelligentized to calculate current voltage essence
Difference and current precision difference are spent, and calculating sifting goes out the maximum deviation of the voltage x current precision of equipment, minimum deflection and arithmetic
Average value, reflects the voltage x current accuracy situation of current device in time, facilitates the production test of equipment to put inspection online.
Referring to Fig. 1 and 2, managing electric quantity IC multichannel calibration calibration equipment carries out calibration verification using " closed-loop system "
The voltage x current precision of more piece managing electric quantity product, its concrete principle is as follows：Upper control software（Host computer）According to communication protocols
View, " data signal " is sent by industrial computer to the next hardware, once the next hardware " master control borad " receives host computer and sent out
" data signal " sent, just directly invokes corresponding test module, drives lane testing plate concurrent testing simultaneously, calibrates " more piece
The voltage x current precision and reading product parameters information of managing electric quantity product "；Its specific calibration, which verifies principle, is：Initial default
More piece product voltage x current accuracy compensation value（The voltage x current accuracy compensation value of its initial default is 0）Calibrated, wait to enter
The verification that the voltage x current precision of product is carried out under checking mode is read, while the voltage x current accuracy value of current each passage is deposited
The interim register mode area in internal memory is stored up, the screening of such data is carried out on backstage, current need is calculated according to certain algorithm rule
To give the voltage x current accuracy compensation value of each passage, effective compensation current device because of temperature humidity, the environmental factor such as interference and
The skew that component is lost presence temperature drift factor with component itself etc. and caused, realizes the voltage x current precision to product
Soft compensation instruction（Compensation position " coarse compensation " in calibration, is exactly " coarse adjustment " physically）.In the local database simultaneously
Be updated the offset of interim each channel voltage current precision (this be after next software is closed again after initial software just
It is secondary to call local voltage x current accuracy compensation value).
More piece managing electric quantity product calibration checking process is as follows：
1）The flow content of verification is as follows：
A. upper electricity loading activation；
B. the check test of voltage x current precision；
The test event of specific voltage x current precision is as follows：
C. disconnecting consumers, close power supply；
D. reset, upload data to server and local data and preserve；
2）The flow content of calibration is as follows：
E. on-load voltage, upper electrical activation；
F. calibration mode is entered；
G. high-low voltage precision is calibrated；
H. high/low currents precision is calibrated；
I. quiescent current is read；
J. calibration mode is exited；
K. power off, disconnecting consumers；
L. data upload server or storage are local；
Managing electric quantity IC multichannels calibration calibration equipment proposed by the invention and method have many advantages, such as that it uses many
The mode of channel parallel test enhances the scalability of equipment, and flexibly allotment port number can be needed according to product；While school
Pre-check data record, which is preserved to local data base, is easy to quality to review and attributional analysis, and this outer tunnel selftest module is prevented effectively from
Quality Accident occurs etc..So, managing electric quantity IC multichannels calibration checkschema of the invention has high efficiency, high-performance
And the advantages of low cost.
Embodiment described above only expresses the present invention preferred embodiment, and it describes more specific and detailed, but
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for the ordinary skill people of this area
For member, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the present invention's
Protection domain.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (6)
1. the multichannel calibration calibration equipment of more piece managing electric quantity IC a kind of, including master control borad, it is characterised in that the equipment is also wrapped
Serial communication port, multiple lane testing plates, passage selftest module and calibration correction verification module are included, wherein：
The serial communication port, receives for the master control borad and drives running signal from host computer；
The master control borad, for controlling the multiple lane testing plate to carry out calibration verification to more piece managing electric quantity IC；
The multiple lane testing plate, for the more piece managing electric quantity IC to respective channel while concurrent testing；
The passage selftest module, for recognizing whether current channel is in upstate；
The calibration correction verification module, for taking Closed-cycle correction method to carry out school to more piece managing electric quantity IC voltage x current precision
It is accurate；
The passage selftest module is further used for the voltage x current precision of each passage in automatic search equipment, if finding logical
Voltage x current precision drift in road is serious, then intelligentized startup self-correcting pattern, to the battery core plate and electric current of each passage of equipment
Plate carries out the adjustment of precision；Also include：Combination of channels module, for by multiple combination of channels into one big passage；
Also include：The stability burn-in test console module of itself, the console module is for the intelligent test equipment electricity of itself
Current voltage precision, and make corresponding voltage x current precision CPK values and corresponding voltage x current precision CPK distribution maps.
2. more piece managing electric quantity IC as claimed in claim 1 multichannel calibration calibration equipment, it is characterised in that the stabilization
Property burn-in test console module be further used for setting ageing cycle number of times, set the aging of each passage battery core joint number and
The base standard value of voltage x current precision.
3. more piece managing electric quantity IC as claimed in claim 2 multichannel calibration calibration equipment, it is characterised in that the more piece
Managing electric quantity IC multichannel calibration calibration equipment realizes test event using modularization, encapsulation and modular method of testing
Test, while preserve test event related packaging information.
4. more piece managing electric quantity IC as claimed in claim 3 multichannel calibration calibration equipment, it is characterised in that described each
Lane testing plate is made up of one block of battery core plate and one piece of electric current plate, and the battery core plate and electric current plate in each passage are using flat
The mode of straight cutting is inserted on master control borad in corresponding slot before and after between-line spacing.
5. a kind of more piece managing electric quantity IC multichannel calibration method of calibration, it is characterised in that this method comprises the following steps：
1）Host computer is sent to master control borad by serial ports and drives running signal；
2）Master control borad calls corresponding test module, drives multiple lane testing plates same to the more piece managing electric quantity IC of respective channel
When concurrent testing；
3）Passage selftest module carries out self-inspection to each channel status, if channel status OK, into step 4）, otherwise send alarm
Signal；
4）Into calibration mode, each lane testing plate is according to the initial voltage current precision offset pair stored in local data base
Managing electric quantity IC carries out parallel voltage x current calibration；
5）Into checking mode, each passage managing electric quantity IC voltage x current accuracy value is read, and preserve in the local database；
6）Calculate and be currently needed for the voltage x current accuracy compensation value for being supplied to each passage；
7）Utilize step 6）The accuracy compensation value calculated is calibrated to the voltage x current precision of managing electric quantity IC in each passage,
The accuracy compensation value that this is calculated is preserved in the local database simultaneously, after being closed as software after next initial software again
Call local voltage x current accuracy compensation value for the first time；
The step 2）Also include, several big passages will be combined into multiple passages, several big passages are to same number
More piece managing electric quantity IC simultaneously carry out concurrent testing.
6. a kind of more piece managing electric quantity IC as claimed in claim 5 multichannel calibration method of calibration, it is characterised in that described
Step 3）In also include：The voltage x current precision of each passage in the automatic search equipment of passage selftest module, if finding passage
In voltage x current precision drift it is serious, then intelligentized startup self-correcting pattern, to the battery core plate and electric current plate of each passage of equipment
Carry out the adjustment of precision.
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104360300B (en) * | 2014-11-21 | 2017-07-18 | 惠州市蓝微电子有限公司 | A kind of voltage accuracy of voltage calibration equipment corrects adjusting process automatically |
| CN105448338B (en) * | 2015-11-13 | 2020-04-07 | 惠州市蓝微电子有限公司 | Multi-channel burning device and method for electric quantity management IC |
| CN106483409A (en) * | 2016-10-17 | 2017-03-08 | 惠州市蓝微电子有限公司 | A kind of method of more piece pack power management products performance test |
| CN107992317B (en) * | 2017-12-01 | 2021-01-29 | 惠州市蓝微电子有限公司 | Method for programming and checking electric quantity management and current monitoring IC of battery cell |
| CN110426645B (en) * | 2019-08-22 | 2024-04-09 | 广东省洛仑兹技术股份有限公司 | Multichannel charge-discharge parameter calibration method and system |
| 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 |
| CN111786768B (en) * | 2020-07-10 | 2022-08-09 | 中国电子科技集团公司第十四研究所 | Multichannel parallel test calibration method |
| CN113466771A (en) * | 2021-06-28 | 2021-10-01 | 上海华力集成电路制造有限公司 | Device and method for verifying aging board verification waveform |
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