QBSTUDIO and EV2400 for BQ20Z90
I am new to this. Today I installed BQSTUDIO to run test on BQ20Z90. I am using EV2400. When I run the SF it is not auto detecting the device. In addition, the device BQ20Z90 is not listed in the...
View ArticleCorrect way to create goldenFile for BQ34z100g1 with bqStudio
Hi All gas guysI'm busy with the bq34z100g1 now for about 2 weeks and every day I learn something new.What are the correct way to1) Reset a bq34z100g1 to factory default?2) Step for step instructions...
View Articlebq27510 G2 SOC Behavior with an Old Battery
We are using a bq27510 G2 as a gas gauge for a handheld. They have been in the field for over a year under heavy use. We have seen a few exhibit unusual behavior for the SOC. These batteries are...
View ArticleDifference between bq27541 and bq27542
Hi,Please let me know about difference between bq27541 and bq27542. I understand that bq27541 has been already NRND, so I need to recommend bq27542-G1, but then I'd like to know the difference.Best...
View ArticleBQ27421-G1
Hi, I have connected BQ27421-g1 with EV2400, and am able to read the Voltage and current , but problem with SOC. When the battery is in charging state it showing SOC = 100% when i...
View ArticleClik here to view.
Schematic and initialization/ interacting with bq34z100-G1
Hi TI team,Recently we bought bq34z100-G1 fuel guage IC and interfacing with ARM Cortex . Trying to read device ID to begin with. Referred to data sheets multiple times, referred to link and still I...
View ArticleProgram my gloden.srec file and now I can not talk to bq34z100g1
Hi AllI have created a golden.srec file as per suggest process.I programmed my srec file and now I can not communicate with my bq34z100g1?Why?Please helpSee attached my files(Please visit the site to...
View ArticleBQ27542 Can't Change Data Memory
I am working with the BQ27542 fuel gauge, and am trying to change the pack configuration registers using Battery Management Studio (bqStudio). I have a BQ27542EVM hooked to an EV2400 and a laptop...
View ArticleClik here to view.
Battery Charge ISSUE
Hi, I'm trying to manage one bbattery charge of 10000mAh, I'm using bq27531 and a EV2400 to communicate to the computer, the software that I'm using is the one that you download from the internet page...
View Articlebq40z60 Permanent Fail mode
From what I understand from the TRM the bq40z60 will enter permanent fail mode if any conditions are tripped. Is is possible to reset this flag so the chip still works, upon replacement of the...
View Articlebq40z60 WDT
Re; bq40z60Under what circumstances does the WDT reset occur, as reported by ManufacturerAccess() 0x0061 Lifetime Data Block 2?Is the WDT associated with the AFE and/or the gauge micro (micro running...
View ArticleBQ78350 Charge Termination and OC
Hi:This is Chen. I am using BQ78350 on a 6s1p battery pack. In our use case, I need to monitor the current over 32A; so the Specification Information under SBS Configuration IPSCL0 bit is set to high,...
View ArticleBQ34z100-G1 vs BQ20z75-v180
I'm currently looking on battery fuel gauge.I came across BQ34z100-G1 and BQ20z75-V180. After reading the datasheet, i still confuse on the different between these 2 parts.As i know, for BQ20z75-V180...
View ArticleWorst case Power consumption of bq40z50-r1? and some questions
I am designing BMS circuit using bq40z50-r1.Some question as belows- What will be the power consumption of "bq40z50-r1" and where i can find that kind of information in datasheetfor example, look at...
View Articlebq27520 - feedback about the pin drivers
I am in the process of changing a design to use the bq27520 which currently uses the bq27500. On the bq27520 the BAT_GD and BAT_LOW output pins are push-pull which is an (unwelcome) change from the...
View ArticleHow to set CC deadband
The design I'm working on uses a 2 mOhm Rsense with the bq40z60. What is the equation for adjusting CC deadband (coulomb counter)?The default CC deadband is a value of 9. The TRM (August 2015) says...
View ArticleLearning cycle for bq27010
HiI am using bq27010 gas gauge for one of my project. The battery am using for the project is Li-Polymer with 600mAh. I want to show the charge status in the LCD.when i put a new battery at first the...
View ArticleBattery Management Studio (bqStudio) 1.3.45 plug-ins
Hi,I am using the bqStudio 1.3.45 with the bq34z100-G1 battery gas gauge.I have seen in various TI documents and videos the reference of a "Q/A plug-in" for this software, but cannot find where to...
View ArticleClik here to view.
Trouble BQ76920evm with BQ78350
hi,I have bq76920evm and ev2400. I have downloaded the 76920 software and this is working.but the bqstudio is not working. there is no communication. I apply all procedure (press boot button after 18 v...
View ArticleBQ40Z60 no longer turns on
Up until about a week ago, my custom PCB with a BQ40Z60 had been working well, with no trouble. I had disconnected the battery from the board several times for a short period of time, with no...
View Article