Unable to Locate BQ27531 EVSW Referenced Within SLUUA90 for BQ27531EVM
I am unable to locate the BQ27531 EVSW for the BQ27531 EVM. Can someone provide me a link to this download? Thanks.
View ArticleDischarge Completion and Charge Completion ON in same time
Hi,Chip(BQ78PL116)I received the batteries after sales service, the flag of DC and DC flag is set to 1.This occurs because the standby power consumption of the product is below the Transition to Idle...
View ArticleBQ78PL116 cell balancing failure
Following production of 100AH battery packs, we have found a number of latent 'features' that appear to be related to the cell balancing within the BQ78PL116 management chip. The cell balancing seems...
View Articlebq27510 chemical selection and temperature measuring error
HelloI am trying create Golden file using bq27510 and BQ Evaluation Software ver.9.92, but had difficulties in several stages.Firstly I received message "Error: Could not find subclass and offset for...
View Articlehi, Can Texas Instruments ship two BQ76925 IC with different I2C group address?
We want to use two chips for two batteries with a single MCU as master. Factory shipped address is 0100. But we want a different address for the second IC ( of course! ). Kindly guide me how to...
View ArticleQuestion about bq29412 package marking
Hi,We got a question about bq29412DCT package marking.About the attached bq29412DCT package photo, The marking that represent Pin1 position is quite different from the package schematic in D/S page1.As...
View Articlebq27421-G1 - Hardware Configuration Question (BIN)
Hi all,I'm trying to figure out the best way to configure the bq27421-G1 for the lowest power option.In my design the supply voltage (Battery) is always connected. The device is in one of two two...
View ArticleBQ27541-G1 ground select
Hello,I'm using the BQ27541 gas gauge and I'd like to set the ground select (GNDSEL) bit in the pack configuration register. How can I do this over I2C?Thanks,- Aleksandar Misic
View ArticleMatching Chem id needed
HelloWe would like to use your bq34z100 gas gauge together with 300Ah LiFePO4 cells from Synopoly but MathCad did not find a close matching chem id. The closest was id 434 with a max DOD error of 22%....
View Articleabout golden pack of BQ27500-V130
HII am using BQ27500-V130 for fuel gauge and I created a golden pack by using BQeasy, it seems all OK. I got my golden pack. But after I update the golden Pack by push the button, and then read the...
View ArticleInterfacing bq2085 with i.Mx6 freescale processor
Hi all,I have a battery from UltraLife, in which they are using bq2085 for battery monitoring. This bq2085 chip gives me an SMBUS interface to know the Battery voltage and charge status every thing.I...
View ArticleBQ20Z95 , short circuit issue
Hi Team,We are using the BQ20Z95 in our battery pack design as below; Battery Design Configuration : 4 Series Non Removable (NR=1) Sense Resistor =10 mOhm...
View ArticleBQ77910A balancing current limit
Dear TI support,I will use the BQ77910A with BQ34Z100 to do the balancing for a battery 4s 4400mAh and I would liketo know if there is a limit of current balancing with the FET configuration that you...
View ArticleBQ34z100 EV2400 trouble with bqMultiStationTesterv2.2
Hi Helpers,is there a way to update the firmware of the EV2400 in oder to get the bqMultiStationtesterv2.2 software to work with it?With the EV2300 bqMultiStationTester2.2 works with EV2400 we get an...
View Articlebq27421 inaccuracy due to high threshold?
Hello,I am confused by the description of “6.4.2.2 Discharge Detection Threshold” on page 35 of bq27421-G1 Technical Reference (sluuac5) on its “independency” from FLAGS.DSG bit.We know that bq27421...
View ArticleUnrealizable Quit Current for Impedance-track gauges with constant load?
Hello,How does bq27421 learn the true capacity of a battery if a wrong initial value is entered?For impedance track algorithm to work it must know true SOC. If the true capacity is 1400mAh, and one...
View Article0°C normalization in Ra table?
Hello,In bq27421-G1 Technical Reference (sluuac5) “6.4.3 Ra Table Class”, one read that the resistance values are normalized to 0°C. What is its rationale?We know that battery’s resistance increases as...
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BQ Evaluation Software : Modifying Data Flash using GUI
Hi ,I am using the BQ34Z100 EVM with BQ Evaluation S/W , I am able to write to Control() from the data RAM screen but can't modify the Data Flash Contents , The following are the steps i took to...
View ArticleBQ-27421-G1A configuration
I have been trying to change the parameter of bq-27421 to suit my device. In the tutorial, it only tell to change 4 parameters, which are battery capacity, battery energy, terminate voltage and taper...
View ArticleBQ2060A with 36V battery?
Hello,Is it possible to use the BQ2060A for tracking the State Of Charge value of a 36V LiMnO2 battery, or is the 36V pack voltage too high for this chip?In case of the latter, could a voltage divider...
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