Return units with no communication, very slow SBS progress.
(Please visit the site to view this file)Hi,I'm currrently doing a failure analysis of a Battery Pack, 4S1P, LiPoly.I receive a claim with 4 pieces from the customer with the failure " will not...
View Articlebq24190 VSYS
Hello,Our customer checking bq24190 function and performance by the datasheet, and they have a question.About VSYS, in the datasheet p.16, it is describe that when the charging is disabled or...
View Articleprogram bq27010 RAM registers without 21V EEPROM pulses
We have a big problem. Some EEPROM parameters of the bq27010 fuel-gauge were not set properly during production. (The charge termination taper current threshold is too low. The charge termination...
View ArticleBQ20Z90 FCC
Dear Tier,My customer have a question about BQ20Z90DBT.Issues : FCC is continuously updated during dischargeRequest : She want to update FCC only in case of increasing cycle count and/or fully...
View ArticleIs BQ78412 suitable for 6 series 12V Pb-acid cell?
Hi team,would you suggest if BQ78412 is suitable for 6 series 12V Pb-acid cell application? customer need to monitor the battery voltage, current, temperature and the run time to empty. If yes, would...
View Articlebq2970x FET
Hello,We are looking at using the bq29702 for battery protection. However, the FET suggestion for is very large. We don't need 7A operational. Probably under 2A. I looked but couldn't find anything...
View ArticleWhere to download bqEVSW for bq30z554
I am using the bq30z554-r1 gas guage.But I can't find the link to bqEVSW for bq30z554! Who can send it to me or send a link to me?my email:zhangyg@shinewaytech.com.cnThanks!
View Articleshort circuit protection in bq20z95
Below is .gg file of my bq20z95. All parameters are inserted but still i dont get short circuit protection. When shortcircuit occurs, a spark is generated and mosfets get burnt out.Kindly revert back...
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BQ24721 No Ack after send command
Hi All Now Our customer using BQ27421 , but sometime "No Ack" after send command factory shipping Test.Customer checking Device ID all MP set at Factory line.But several set did not response...
View Articleerror of remaining capacity with bq78pl116
I use a fuelgauge 78pl116 configured in 10mWh. my battery is a 82Wh, after the end of charge, I have in remaining capacity 93Wh. When I low discharge, I have information erroneous after ten seconds,...
View ArticleProblems writing configuration data to flash of bq27510-G3
Hello,i try to wite the configuration data set through bqEasy in a bq27510-G3 gas gauge but an error appear with the message "Error: Could not find subclass and offset for Gas Gauging.IT CfG.Reserve...
View ArticleNew Forum for Monitors, Protectors, Authentication and ID solutions
Hi folks,We're pleased to announce that starting today, we've created a new forum within Battery Management devoted to our Monitors, Protectors, Authentication and ID solutions.Link:...
View Articlebqeasy, bqstudio and guagestudio for bq27510-g3
Hello,When I tried bqeasy to configure bq27510-g3, I got the error "could not find the subclass and offset", later I found posts here to discuss it back to 10/2014. I am wondering if new version bqeasy...
View ArticleBattery fuel gauge IC BQ27410 configuration detailed procedure.
Attached document provides detailed algorithm for configuring TI`s Fuel Gauge IC for your hardware.The default design capacity configuration is 1340 mAh & default design energy is 4960 mWh(3.7...
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bq77908a current sensing
Dear TI Experts,Assume the sense resistor interface to the bq77908a sees a pulsating current as shown in the attached image below. How will the safety IC interpret the voltage across the sense...
View ArticleReduced Accuracy of BQ76930 for CC compared with BQ2040?
We are looking to replace a BQ2040 with a combination BQ76930 and BQ78350. I understand that the BQ2040 uses a Voltage to Frequency front-end for charge counting which captures relative current in...
View ArticleInquiries regarding charge current detection on BQ27520-G4
Hello, allNow we have one inquiries regarding charge current detection on BQ27520-G4 from our customer.Please refer to the item below, and feedback us with your comment.1) On previous model which used...
View ArticleBQ34z110 Confirmation of Design steps and Optimization Cycle Process for...
Greetings TI,I would like to confirm my the Setup Procedure for the bq34z110 Impedance track to create aGolden Image.The Below information is a combination of the Data-sheet and the forum information i...
View Articlebq27520-g3 CalMod
Hello,I'm trying to implement the Current calibration for our bq27520-g3 part. I’m working on obtaining the raw current calibration value from the fuel gauge. Following the flow chart on page 4 of...
View ArticleC6670 BGA land pattern
I am using part C6670A in the package CYP and need to know its PCB land pattern dimensions. Thanks.
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