BQ40Z60 AC FET
Hello Ti support,Helping support an Arrow customer. I am an Apps Enginneer at Arrow Electronics. Customer is asking about the AC FET connections. I saw the post labeled BQ40Z60 FET that states that...
View ArticleBQ27441 read voltage
Hello,I use BQ27441 and I have a problem to read voltage.I have only one of the 2 bytes that change with the voltage. The low bytes is always at the same value = 0xAE.I don't understand why. My clk is...
View ArticleBQ40Z60EVM - the charger voltage rises too high in the constant voltage region
Hello, Thomas,I have started lately with a brand new BQ40Z60EVM-578. The PCB has a label Rev A on it, the firmware is v0_13_build19. The pack is 2s LiPol 9.7Ah, learning cycle fulfilled successfuly.My...
View ArticleUpdate BQ34Z100 with BQ34Z100-G1 new firmware
Hi,I got to know we can update existing BQ34Z100 with the new firmware for BQ34Z100-G1. Would like to find out does the old BQ34Z100 works exactly the same as BQ34Z100-G1 after firmware upgrade? Is...
View ArticleBQ78350 - BQ769x0 shutdown/ship mode
Hi,We are currently developing with the BQ78350 with the BQ76920 AFE interface. The firmware version on the BQ78350 is: 1E9B_0_06.We are trying to enter shutdown mode, however, we can't seem to get the...
View Articlebq34z100-g1 seperate CHG-DSG lines
dear all,we are now evaluating BQ34Z100-G1 to be our multicell gauge solution.it looks like a very modulare solution except one issue:some of the protection circuit solutions works better with...
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Install firmware for BQstudio connect to bq78350
Hi,I use bqstudio to connect PC to bq76940EVM at SMB port.That mean I connect PC to bq78350 IC.When I install firmware, I get the problem as:How can I fix this problem?Thank you very much!
View ArticleHOW TO READ DEVICE TYPE OF BQ34Z110 THROUGH I2C INTERFACE ?
DEAR ALL,PLEASE GIVE ME COMMAND FORMAT EXAMPLE TO READ THE DEVICE TYPE OF BQ34Z110 THROUGH I2C BECAUSE I AM NOT ABLE TO READ THE DEVICE TYPE.
View ArticleBQ34z100 Optimization Calibration Status to 0x06
Hi,I have a bq34z100 with a LiIon battery pack and I am trying to complete the Optimization calibration specified in SLUA334B. On step 8, update status is suppose to change to 0x06, however it stays at...
View ArticleDeriving the settings file for the TI BQ34Z100 setup when used outside of...
Hi-I’m creating the golden file for the bq34z100 for our product and I’m hoping you can help. I’ve been going through the optimization calibration as documented in the SLUA334B document and I’m having...
View ArticleBQ34Z110-G1 and compatibility with BQ34Z110
Hi,We are presently using BQ34Z110 in our battery management module and have completed the evaluation and prototyping. Along with the NRND warning the replacement part (BQ34Z110-G1) is indicated and...
View ArticleEV2300 Coming up as Unknown Device in Windows 7(64)
I have had this EV2300 working for me a month ago but for some reason (windows update maybe). When I connect the EV2300 to my PC it comes up as an unknown device and stops working. I have installed the...
View ArticlePlease look at my bq34z110 LOG file for best chemID fit for my cells.
attatched log file.(Please visit the site to view this file)
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ChemID selection using chemselect_cont.mcd worksheet
Hello,I have been using the bq34z100EVM in conjunction with the EV2300 and bqStudio software to evaluate the bq34z100-G1 chip to provide a fuel gauging solution for our LiFePO4 battery packs.The packs...
View ArticlebqStudio Perspectives buggy?
I set up the tabs that I want to use, and saved it using "Save Perspective As". But every time I restart bqStudio and select the saved perspective, it blanks the middle panel and stops. I have to...
View ArticlebqStudio disable pooling
I am using Battery Management Studio (bqStudio) version 1.3.24. Is there a way to disable the automatic pooling? Every 4 seconds or so it pools the Gas Gauge (bq40z50) for RSOC, temperature,...
View ArticleBQ34Z100 Voltage divider configuration
Hello,In the datasheet of BQ34Z100, the value of "Flash Update OK Cell Volt" needs to be applied after the voltage calibration. Anyone know what is this parameter for? Looks like it will not affect the...
View ArticleConfigure BQ34Z100-G1 according to BQ34Z100 learned pack GG file
Hi,After gone through the datasheet for bq34z100-G1, noticed there are some difference in the setting available between bq34z100 and bq34z100-G1.I have flashed bq34z100 with bq34z100-G1 firmaware and...
View ArticleBQ40Z60, ACFET
Hello,I have a question about the application and implementation of the bq40z60 datasheet. In the schematic on page 32, the drain and source are reversed from the ACFET. My question is what is exactly...
View ArticleBQ40Z60 - Configuring cell count without bqStudio
I having some difficulty configuring the BQ40Z60 to detect a 4-cell battery pack. The default configuration is for 3 cells. According to the Technical Reference Manual (SLUUA04), the “DA Configuration”...
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