BQMTester Compatibility
Hi...Is the BQMTester compatible with the BQ20Z65 gas gauge? Thanks.
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Gauge Studio Chemistry Updater Problem
Hi,I am using BQ27421-G1A gas gauge chip. The default CHEM_ID stored on the gauge is 0x0128, but I need to update it to 0x0107. But I couldn't do it using Gauge Studio v 1.4.1 as its saying "the device...
View ArticleLead acid battery gas gauge, protection and charger
1. Need to design 12V or 24V lead acid battery complete gauging+protection & charger module.2. I have checked , bq34z100-g1 can be used for gauging.3. Few months back I had checked that TI had...
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Pack voltage is 1.3v only wheras charge and discharge fet are ON. please...
Charging and discharging FET are ON but output voltage(pack Output) is zero, how it can be recover from this. and what commands can be used .[Header]bq EVSW Version = 0.9.52 DeviceName = bq20z95...
View ArticleDetermining Chemistry ID LiPo battery for
Hello,I am having some difficulty determining the exact chemistry of the 6s Lipo battery I am using. I tried the mathcad file from the TI website using data of a discharge cycle obtained with an...
View Articlebq cell replace requirement project
I am not able to charge this modified pack with BQ30423 , it occasionally reports bizarre SOC such as 0% when OCV is ~4.2V, here is what I have tried: a. replaced one cell with smaller cell and...
View ArticleAbout FC, FD for BQ28400
Good day!I use battery Li-polymer (7.4V 12.5Ah)As the IC using BQ28400.When fully charge and fully discharge, FC and FD didn't set.How i try test for FC and FD ?Please help me.
View ArticleBQ27421G1A Design Voltage & Design Energy
Hello,Design VoltageIn the Battery Management Studio 1.3.40, in the Data Memory tab, class configuration->Data, there is parameter named Design Voltage, which has a default value of 3600.In the TRM...
View ArticleAbout FD set issue. (BQ28400)
Dear. All.I have one issue about FD(Fully discharged) set issue.i using BQ28400 with Li-polymer 7.4V 12.5Ah.Parameter for FD.1. Configuration (Subclass 146) Full Discharge Set % (Offset 2) : 2%...
View Articlebq34z100 Charge Termination DF Parameters
Hello,I am performing the learning cycle on a 110Ah, 12V, AGM battery and have a few questions:1. Recommended charge rate is C/2. My charger maxes out at 15A (between C/5 and C/10). Besides taking a...
View ArticleInstantaneous current with bq27541-G1?
Hi,Is it possible to reading or calculate the instantaneous current that flow through Rsense with bq27541-G1?Thanks
View ArticleBQ 78350 + AFE 76940 Inductive load SMbus communication problem
Hi all,I encountered communication problems on SMBus during discharge with inductive load in the loop (motor driving). I'm using the EVM board and EV2300 with Battery Management Studio (BQ Studio). I...
View ArticleBQ28400 trouble enabling FETs
I'm using a BQ28400 in a new design to replace the 2 separate ICs previously used for protection & gas-gauging and I'm having some trouble with it. I have implemented the example application...
View ArticleAbout BQ2084 Deep Slep mode ?? How to entrance this Deep Sleep mode ??
Hi I have question for BQ2084 contorl . How to entrance Deep Sleep Mode for BQ2084??* This question by our customer.I checkd this device data sheet about this deep sleep mode , but I could not find...
View ArticleI can't receive the address response signal from BQ33100 Suddenly
Hi guys, I can't receive the address response signal from BQ33100 permanent after I make the BQ33100 into the sealed mode.
View ArticleBQ20z95 ROM blank after programming WriteBlock commands failed.
Hi,Thanks, to your previous answers, I'm getting forward with my BQ20z95 device.But, I'm now facing another issue. When trying to program it through an I2C communication, all the WriteBlock commands...
View ArticleBQ2014: How to reset the self-discharge count resister(SDCR)?
Hi, Guys;I'm using BQ2014 for NiMH Battery charger. When users change the battery to new one, I wants to reset SDCR to zero.The questions are following. Data-sheet does not explane this action.1) When...
View ArticleMCU Sample code - reading Bq20z95
Is there any sample code written for MSP430 launchpad kit for reading bq20z95 SMBUS values.
View ArticleSetting ChemID bq34z100 G1 via SMbus
Hello,I'm working on a 6s lipo battery and I would like to set the default chem_ID to the one determined by TI. However, I currently do not have acces to an EV2300 board or EV2400 adapter. I use a...
View ArticleMigration from BQ34Z100 to BQ34Z100-G1 / How to?
Hi,My customer considers to change as the "old" BQ34Z100 is set to NRND.Is there a short list with delta to help managing the change to BQ34Z100-G1.ThanksHarald
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