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Problems getting BQ34Z950 to write data flash
I am trying to evaluate the BQ34Z950. Following suggestions I read on another post I am using the BQ20Z95 EVM I have made the following changes to the boardTo bench test, acquire a bq20z65 or bq20z95...
View ArticleBQ34Z100-G1 Compatibility with SAFTLM26500
Hello,I would like to use the BQ34Z100-G1 gas gauge with a primary cell SAFT LM26500 to be exact and was wondering what I would need to do to accomplish this.
View ArticleSome (very) beginner design questions
Hello all,I apologize as I might be asking a bit much of the community, but I want to build a battery pack and have some design requirements and just need some pointers to get the ball rolling. I have...
View ArticleEDV0, EDV1 and EDV2 purpose on BQ3060
Hello everyone.I was reading about BQ3060 and wasn't sure if I understand correctly - do EDV2 sets the voltage at which battery discharge will be suspended?If so, then what is the purpouse of EDV0 and...
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BQ78350 FETs disabled and alert pin behavior
Hello!We have design a BMS circuit for a 14S battery pack based on BQ78350-BQ76940 chipset.After assembling BMS circuits on battery packs in our production line, we experienced several failures (about...
View Articlebq27532-g1: how to programm the chemID
Hi to all,which are the steps with bqStudio 1.3.45 to programm the ChemID of the used cell?I found in the chemistry list the dedicated record, but i'm not able with a right click to programm it in the...
View ArticlePack-side vs System-side Fuel Gauge
I'm evaluating several TI fuel gauges for a mobile product, particularly the BQ27542 (a pack-side gauge) and BQ27510 (a system-side gauge). We will use the gauge in a system-side configuration. Our...
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Please help. Some questions about I2C Write with bq34z110
Hi,I use STM32F215XX chip communicate with Bq34z110 chip through i2c.I use two tools.-> [ 1 ] 'bq Evaluation Software'-> [ 2 ] 'IAR Embedded Workbench' I follow ,here is the step.but, I have a...
View ArticleRequest for bqTester Source Code
Dear TI,Please send me a copy of source code of bqTester since I need to modify it for our devices. The email is updated in my profile. Thanks.S L61
View ArticleBQ34Z110PW implementing mass production off line programming
Hello,Our customer asked us to implement off line programming for BQ34Z110PW on our programming tools. We know that device is NRND and also we downloaded datasheet, but in DS are not enough information...
View ArticleBQ27542 SOC and remaining capacity values not changing
Hi, We are using a BQ27542-G1 evm, interfaced with the intel edison board via i2c . Initially the SoC and remaining capacity values were decreasing when a load is connected. But now the soc is stuck at...
View Articlebq40z60 - Issues, Questions, Errors
Hi,I am not giving up asking questions in this Forum even if it appears that nobody feels like answering them. So here are a few more questions and comments:SLUUB71 - bq40z60 EVM schematic on page...
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Please help. Some questions about Bq34z110 - I2C Write (please monitor capture)
Hi,I use STM32F215XX chip communicate with Bq34z110 chip through i2c.I use two tools.-> [ 1 ] 'bq Evaluation Software'-> [ 2 ] 'IAR Embedded Workbench' I follow ,here is the step.but, I have a...
View ArticleGG File Compatibility Between Tracking Technologies?
Hey Battery Team,A (hopefully) quick question: If a GG file is created for a device utilizing a CEDV battery fuel gauge (eg like the BQ3060) would the same GG file work for another CEDV battery fuel...
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Bq78350 Reserve capacity and EDV threshold
Hi,I work on bq78350 and I have some issues with the remaining capacity estimation.I have 4s2p Lihtium Ion battery and I need a reserve capacity of 3% (210mAh / 7000mAh). So Battery Low = 4% and Dod...
View ArticleAbout BQ33100 Super Cap Gage with Stack Connect ing
Hi I have one question for BQ33100.We want to use 8 super cap with BQ33100, 【Question 】Can possible BQ33100 connect for Stacking ?? For instance No1 BQ33100 4 super Cap + No2 BQ33100 4...
View ArticleBQ40Z60 EVM R31 Fail
What might cause the 10 ohm series resistor connected to VCC to blow? I have been using the EVM for months, then last Tuesday R31 fails, and ultimately the BQ40Z60 blows a small hole through the top...
View Articlebq34z100-G1 Design procedure steps
Hello guys.Finally I got EV2300 and did set all the batt parameters and Calibration. I have a few questions, thanks for answers in advance.1. I went through Step by step Design Procedure and went to...
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"Board Offset" calibration using "bq MultiStation Tester - Single Station...
Hello.I am trying to produce battery with BQ20Z95 controller using "bq single station Tester". I unchecked all types of calibration in "Configuration windows" and pointed to previously created golden...
View ArticleBQ34Z100-G1 Power-on Reset
Hi, We noticed that there might be a reset issue with our battery gauge (BQ34Z100-G1). Occasionally the gauge will stuck at 0% or 100% battery. Reconnecting the battery seems to fix this issue. What...
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