CN102650678B - Multi-channel calibration and checking method for power management ICs (integrated circuits) - Google Patents
Multi-channel calibration and checking method for power management ICs (integrated circuits) Download PDFInfo
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- CN102650678B CN102650678B CN201210135278.0A CN201210135278A CN102650678B CN 102650678 B CN102650678 B CN 102650678B CN 201210135278 A CN201210135278 A CN 201210135278A CN 102650678 B CN102650678 B CN 102650678B
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Abstract
A multi-channel calibration and checking method for power management ICs (integrated circuits) is characterized in that a plurality of power management ICs can be calibrated and checked at the same time through multiple channels, and comprises the following steps: a, setting of standard battery cell parameters; b, self-checking of channels, c, calibration mode; d, judgment of calibration results; e, checking mode; and f, outputting of checking results. According to the invention, multiple channels are adopted in the same equipment, and then a plurality of power management ICs can be calibrated and checked at the same time, so that the efficiency is high, the calibration and checking is accurate, the error rate during the calibration and checking process is reduced, the production process is simplified, the degree of automation is improved, and the labor cost is reduced; and all data is stored in a local storer or/and server, so that convenience is provided for quality management. Simultaneously, the calibration and checking value can be compensated and adjusted automatically, so that the calibration value is ensured accuracy.
Description
Technical field
The present invention relates to the calibration method of calibration of a kind of managing electric quantity IC.
Background technology
In the power supply industry of mobile electron, managing electric quantity IC application is more and more extensive at present, and high-end product is also more and more higher to the accuracy requirement of managing electric quantity IC, as electronic product APPLE, NOKIA etc.The managing electric quantity IC(chip that the TI of TIX makes) require it to realize high-precision calibration voltage electric current, therefore company's realization is most important to managing electric quantity IC calibration verification.
And at present the traditional mode in industry is to adopt the software and hardware (EV2300) providing based on TI to realize the method for managing electric quantity IC being calibrated separately to verification, the method is limited by TI, and limitation is large, testing efficiency is low, poor expandability, cost input is high simultaneously, integrated testability poor stability.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of method that efficiency is high, the accurate managing electric quantity IC of calibration verification hyperchannel is calibrated verification.
In order to solve the problems of the technologies described above, the present invention adopts following scheme to realize:
A method for managing electric quantity IC hyperchannel calibration verification can be calibrated verification to multiple managing electric quantity IC by hyperchannel simultaneously, and the method comprises the steps:
A., standard battery core parameter is set;
B. passage self-inspection, multiple passages carry out self-inspection automatically simultaneously;
C. enter calibration mode, managing electric quantity IC is carried out to the burning of electric current and voltage calibration and interiors of products parameter;
D. calibration result is judged, each passage is calibrated to the judgement of burning result, and calibration data records is saved to local storage and or server;
E. enter checking mode, from local storage and or server obtain each calibrate data, directly enter checking mode, indicate channel errors code, show and need verification passage; If the mistake of existence, shields this passage;
F. the result of output verification, and be stored in local storage and or server in;
Each step is all carried out in same equipment above.
Wherein, described calibration mode step is as follows:
C1. on-load voltage;
C2. loading current;
C3. burning information, carries out synchronization check when burning;
Wherein, described checking mode step is as follows:
E1.HDQ voltage check
E2. managing electric quantity IC consumable power consumption electric weight verification;
E3. the sequence number of managing electric quantity IC, the issue preset parameter verification of product day;
E4. the temperature accuracy of managing electric quantity IC, voltage accuracy verification and current precision verification.
And, from local storage and or reference voltage value and the reference current value of the each passage of collection of server, and magnitude of voltage and the current value of the managing electric quantity IC that this reference voltage value, reference current value and verification are obtained compare respectively, according to result relatively, the passage that need to carry out correction-compensation is compensated to adjustment, this compensation adjustment result is mapped in calibration verification next time, ensure the accuracy of compensation modified value, guarantee the electric current and voltage precision of product.
The present invention adopts hyperchannel to calibrate verification to multiple managing electric quantity IC in same equipment simultaneously, efficiency is high, calibration verification is accurate, reduce the error rate in calibration checking procedure, simplify production procedure, improved automatization level, reduced cost of labor, and each data are all stored in local storage or/and in server, be convenient to qualitative control.Meanwhile, can auto-compensation adjustment calibrate proof test value, ensure the accurate of calibration value.
Embodiment
For the ease of those skilled in the art's understanding, below in conjunction with specific embodiment, structural principle of the present invention is further described in detail:
The method of the managing electric quantity IC hyperchannel calibration verification that the present embodiment discloses has eliminated in existing calibration method of calibration that efficiency is low, the not high defect of calibration accuracy.
The method adopts hyperchannel multiple managing electric quantity IC to be calibrated to verification by same equipment simultaneously, and its concrete steps are:
A., standard battery core parameter is set: according to the parameter request of managing electric quantity IC application, standard battery core is carried out to reference voltage, reference current setting, guarantee that standard battery core parameter is accurate;
B. passage self-inspection is carried out self-inspection automatically to multiple passages simultaneously, as self-inspection all normally enters next step, sends alerting signal as mistake appears in self-inspection;
C. enter calibration mode, managing electric quantity IC is carried out to the burning of electric current and voltage calibration and interiors of products parameter;
Particularly, this calibration mode comprises the steps: c1. on-load voltage; C2. loading current; C3. burning information, carries out synchronization check when burning;
D. calibration result is judged, each passage is calibrated to the judgement of burning result, and calibration data records is saved to local storage and or server;
E. enter checking mode, from local storage and or server obtain each calibrate data, directly enter checking mode, indicate channel errors code, show and need verification passage; If the mistake of existence, shields this passage;
Particularly, this checking mode comprises the steps:
E1.HDQ voltage check; E2. managing electric quantity IC consumable power consumption electric weight verification; E3. the sequence number of managing electric quantity IC, the issue preset parameter verification of product day; E4. the temperature accuracy of managing electric quantity IC, voltage accuracy verification and current precision verification;
F. the result of output verification, and be stored in local storage and or server in.
And, this method also comprises a process of each passage being carried out to auto-compensation adjustment, this auto-compensation adjustment process is specially: from local storage and or reference voltage value and the reference current value of the each passage of collection of server, and by this reference voltage value, magnitude of voltage and the current value of the managing electric quantity IC that reference current value and verification obtain compare respectively, according to result relatively, the passage that need to carry out correction-compensation is compensated to adjustment, this compensation adjustment result is mapped in calibration verification next time, ensure the accuracy of compensation modified value, guarantee the electric current and voltage precision of product, ensure product quality.
In this method, all the data of each calibration verification and compensation adjustment are stored in local storage and or server in, be convenient to quality and review, attributional analysis, can provide date, data foundation for effectively solving quality abnormal.
Above-described embodiment is only preferably embodiment of the present invention, and in addition, the present invention can also have other implementations.That is to say, do not departing under the prerequisite of the present invention's design, within any apparent replacement all should fall into protection scope of the present invention.
Claims (2)
1. a method for managing electric quantity IC hyperchannel calibration verification can be calibrated verification to multiple managing electric quantity IC by hyperchannel simultaneously, it is characterized in that, the method comprises the steps:
A., standard battery core parameter is set;
B. passage self-inspection, multiple passages carry out self-inspection automatically simultaneously;
C. enter calibration mode, managing electric quantity IC is carried out to the burning of electric current and voltage calibration and interiors of products parameter;
D. calibration result is judged, each passage is calibrated to the judgement of burning result, and calibration data records is saved to local storage and or server;
E. enter checking mode, from local storage and or server obtain each calibrate data, directly enter checking mode, indicate channel errors code, show and need verification passage; If the mistake of existence, shields this passage;
F. the result of output verification, and be stored in local storage and or server in;
Each step is all carried out in same equipment above;
Wherein, described calibration mode step is as follows:
C1. on-load voltage;
C2. loading current;
C3. burning information, carries out synchronization check when burning;
Wherein, described checking mode step is as follows:
E1.HDQ voltage check
E2. managing electric quantity IC consumable power consumption electric weight verification;
E3. the sequence number of managing electric quantity IC, the issue preset parameter verification of product day;
E4. the temperature accuracy of managing electric quantity IC, voltage accuracy verification and current precision verification.
2. the method for managing electric quantity IC hyperchannel calibration verification according to claim 1, it is characterized in that, from local storage and or reference voltage value and the reference current value of the each passage of collection of server, and magnitude of voltage and the current value of the managing electric quantity IC that this reference voltage value, reference current value and verification are obtained compare respectively, according to result relatively, the passage that need to carry out correction-compensation is compensated to adjustment, this compensation adjustment result is mapped in calibration verification next time, ensure the accuracy of compensation modified value, guarantee the electric current and voltage precision of product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210135278.0A CN102650678B (en) | 2012-05-04 | 2012-05-04 | Multi-channel calibration and checking method for power management ICs (integrated circuits) |
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| CN201210135278.0A CN102650678B (en) | 2012-05-04 | 2012-05-04 | Multi-channel calibration and checking method for power management ICs (integrated circuits) |
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| CN102650678A CN102650678A (en) | 2012-08-29 |
| CN102650678B true CN102650678B (en) | 2014-07-23 |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103559099B (en) * | 2013-10-31 | 2017-06-23 | 惠州市蓝微电子有限公司 | A kind of burning chip method of calibration |
| TWI550285B (en) * | 2013-12-27 | 2016-09-21 | And a storage device and electronic device for electrically correcting parameters of the wafer | |
| CN104133185B (en) * | 2014-07-03 | 2017-09-22 | 惠州市蓝微电子有限公司 | More piece managing electric quantity IC multichannel calibration calibration equipment and method |
| CN104155591A (en) * | 2014-07-14 | 2014-11-19 | 惠州市蓝微电子有限公司 | Current calibration equipment and method for charge management ICs |
| CN104267290A (en) * | 2014-10-09 | 2015-01-07 | 惠州市蓝微电子有限公司 | Calibration and verification method for electric power management IC |
| CN106569437A (en) * | 2016-10-17 | 2017-04-19 | 惠州市蓝微电子有限公司 | N-channel burning calibration verification method |
| CN106908712B (en) * | 2017-02-06 | 2020-04-28 | 上海实真微电子有限公司 | High-low temperature test method applied to IC 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 |
| 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 |
| CN112394314A (en) * | 2020-12-04 | 2021-02-23 | 常州同惠电子股份有限公司 | Metering calibration method for multi-channel power supply |
| CN113093081B (en) * | 2021-06-09 | 2021-08-17 | 深圳市鼎阳科技股份有限公司 | Calibration and PV method for spectrum analyzer and production system |
| CN113447874B (en) * | 2021-09-01 | 2021-11-12 | 南京宏泰半导体科技有限公司 | Calibration device and method for semiconductor test system |
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| US6323666B1 (en) * | 1999-01-28 | 2001-11-27 | Ando Electric Co., Ltd. | Apparatus and method for testing test burn-in board and device under test, and test burn-in board handler |
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| US6897671B1 (en) * | 2004-03-01 | 2005-05-24 | Transmeta Corporation | System and method for reducing heat dissipation during burn-in |
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| US5923098A (en) * | 1997-10-03 | 1999-07-13 | Micro Control Company | Driver board having stored calibration data |
| US6323666B1 (en) * | 1999-01-28 | 2001-11-27 | Ando Electric Co., Ltd. | Apparatus and method for testing test burn-in board and device under test, and test burn-in board handler |
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