Can the bq28z560-R1EVM-001 be used to emulate a bq28z610?
I am production testing a product that uses a bq28z610 gas gauge. I have not been able to find an eval kit for this gas gauge and am wondering if the bq28z560-R1EVM-001 could be used to do that? The...
View ArticleBQ40Z50EVM compatibility error in Battery Management Studio
Im trying to test a BQ40Z50EVEM. I downloaded the Battery managment suite, Battery Management Studio-1.3.24_Build2-Setupand installed it. I plugged in an EV2300 and the BQ40Z50 EVM into that.When I run...
View ArticleBQ34Z100EVM Calibration
Hi,I'm using the BQ34Z100EVM with the EV2300 evaluation module to develop a battery monitoring system for a 12V, 40AH LiFePO4 battery. The BQ34Z100EVM board is set up for Multi Cell operation, with...
View Articlebq20z45 AFE OC Dsg not working
I am looking at SLUA511B "Configuring the bq20z40/bq20z45 Data Flash". On page 7 it explains how the AFE OC Dsg register works and the values it will take.I set the value to 0x00. According to the...
View Articlebq27441-g1
Hi, I am trying to implement the fuel gauging into our design, but I don't have much experience with fuel gauge chip. I have couple questions regarding BQ27441-G1. 1. From my understanding BQ27441-G1...
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Bq34z110 cominication problem with EV2300
Hi, Im trying to connect with my Bq34z110 EVM with an EV2300 to the evaluation software using the I2C and I get the next message Followed byI have checked the conections and there are fine, I have...
View Articlebq34z100 learning cycle problem
I know there have been other posts on this subject, but my problem seems to be slightly different. My battery is not updating Qmax or Updated Status on either charge or discharge, but all the relevant...
View ArticleBQ27425-G2B .gg and .dffs question
Is there a way to convert the .gg and .dffs files to use FW mode? They are recieved using ROM mode.Also does the .gg file fully describe the data memory?
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bq34z100evm Caliblation modify by Using the Data Flash tab of bqEVSW(EV2400)
Hello,Please forgive my poor English.With reference to the slua665, I have been trying to make the DFI file for mass production. So, Using the Data Flash tab of bqEVSW(EV2400), I am trying to write the...
View ArticleBQ2084EVM
I just acquired a BQ2084EVM but I can't get it to work.I connected it to a 3S Lipo battery, tied Sys Pres to Pack- and I get nothing,No LEDs on the gauge when I press the button and no Pack+...
View ArticleBQ78350 damage
Good Morning Ti,I am just evaluating the bq78350 and bq76930 combination EVAL board. Having got thru the 76930 steps OK, I am having trouble with the bq78350. Could you assist please?Whilst programming...
View ArticleHPA 495 (Advanced BQMTester)
Do you have an up-to-date schematic and BOM for the HPA495 Rev A. The details in the user guide (sluu397a) do not match up. There are some resistors in the schematic which are not on the BOM or on the...
View ArticleEV2300 64-bit drivers available for download
The "unofficial" 64-bit Windows drivers are now available for download from the Files section of the Battery Management forum.Here is the direct link:EV2300 64-bit Windows driversWhy are they...
View ArticleEV2300 USB Driver for Windows 7 64 bit
I am yet another user that nhas upgraded my laptop and now need the EV2300 USB drivers for Windowes 7 64 bit please.
View ArticleBQ76940 does not respond to I2C
Hi TI experts,BQ76940 does not respond to any of the I2C commands. According to the oscilloscope traces, it does not generate ACK signal. (bus is not pulled down in the 9th clock cycle)I have double...
View Articlebq769x0 Shutdown and Wake Up
Hello,What pins are active in the bq769x0 during shutdown? Are the CAPx pins low to their respective references? I assume REGOUT would be off.I'm going to use the bq76930, but I need a way to wake it...
View Articlestacking BQ76940 + BQ78350 combo
I am working on an automotive EV BMS, and I really like some of the BQ76940 specs working in combo with BQ78350 .The BMS I would like to design would have 30 x 100AH, in an 1P30S configuration.I want...
View ArticleBQ78350 disable ALERT signal on BQ769x0
Hi,We are using the BQ78350 with the BQ76940 and the documentation for the BQ769x0 says that we need to write to the SYS_STAT register to clear the bit that set the ALERT pin.The 0x58 SBS command from...
View ArticleDesigning a 4 Cell LiPo charging system with undervoltage protection using...
Recently Ive been given the task of sorting out LiPo Battery Charging for a project Im involved with. Id like some advice please.1: I can find charger ICs and Gas gauge ICs (which appear to perform...
View ArticleRegister Map for the BQ40Z50
Can someone please point me to the Register Map for the BQ40Z50. Ive looked in both the technical reference and the Data sheet, and neither (seem to) contain the full register map.
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