Problems accessing the BQ34Z110EVM Module RAM even with FAS and SS bits...
Hi,I am having problems with a BQ34Z110EVM Module.I am accessing the module using the bq Evaluation software version 0.9.90. I have followed the instructions on page 29 and 30 of the bq34z110 datasheet...
View Articlebq20z75 Missing Cells QMAX Being Set
I have a 2S1P pack with a bq20z75-v1.81. In the Data Flash, Gas Gauging section, under State, the QMAX for cells 0 & 1 are updating correctly but the QMAX for cells 2 & 3 are being set to 2800,...
View ArticleBQ20Z65-R1 compatibility with Panasonic batteries
Hello,I would like to know if your IC BQ20Z65-R1 is compatible with the Panasonic NCR-18650E.Here is a link to the datasheet of this product :...
View ArticleBQ34Z100 and CHEM ID
I could use some help with the bq34Z100 integration. I have an EV2300 EVM Interface board and a bq34z100EVM board. The battery I am using is 855085-2S 7.4V 4000mAh Lithium Polymer pack that was...
View ArticleBQ3050 Behaviour&Settings
Hello,We are currently designing an electronic board with a 4S1P Li-Ion battery pack and use a BQ3050 battery gauge. After many tests, we have tuned the gauge parameters (according to the file...
View ArticleBQ27X00-TESTER programming issue
Hello, I have connected the BQ27X00-TESTER to my current product that has a BQ27200 device populated. Between the tester and my product, I've wired...* PROG to our PGM (pin 10) of BQ27200* BAT-...
View ArticleLow cost gauging solution for power bank
Hi,Now our customer is designing power bank application and they are considering to add gauging function. But price competition is very severe in the market of power bank so they need minimum function...
View ArticleBQ80XRW control
Could some one provide a sample source code for EV2300 control under VC ,thanks a lot
View Articlebq28550 application
I need a reccomendation on an SMBus compliant fuel gauge that can work in a 6 series cell Li Polymer pack. I am considering the bq28550, but it was not completely clear if this gauge will broadcast to...
View ArticleVcc Voltage Error
I am working on BQ20z95 high Amp. Circuit (40-60) amp. I am facing some problem when load ( discharge) of app.15 amp. applied to the circuit its reg. pin voltage i.e 2.5 volt gets increase upto 3.3...
View ArticleFC bit clears during 2 hr Charge Relaxation phase
I'm trying to do a learn cycle with BQ27500 evm. After the Charge reaches 100% (FC bit gets Set), during the 2 hr relaxation phase the Voltage drops down to 4.17V and the FC bit clears and the SOC...
View ArticleBQ78PL116
Hi,I set cells number 8s1p, and i can get pack voltage by command 0x09,if connect bq78pl116 to 16 cells, what i got by 0x09.the 8s pack voltage or 16s pack voltag ps the cells number is 8s1pRegardsGao
View ArticleBQ20z65-R1 - accuracy and resolution of measurement voltage, current and...
I need to check whether the BQ20z65-R1 can reach some requirements as for accuracy and resolution of measured parameters. I study DS of the IC but i'm not sure if i'm right.Main questions are:what is...
View ArticleBQ78412 unable to update values
Hello!We have a BQ78412 and we want to update some parameters of the board. (e.g. voltage gain) We using the bq784xx Evaluation Interface software (V1.2.0.0.) and connecting via USB to the board....
View Articleneed help in usage of bq3060 with BqEASY
Hello,We are using LiFePo4(6.6V,9.6Ah) battery pack in 2s3p configuration with BMS IC (bq3060) inside it purchased from a vendor. we need to check the battery performance with BqEASY,we have done...
View Articlefollow up to LiMNO2 support for bq34z100
Any word as to if this update will be out this year?ThanksPerry""""""""""""""""""""""Timothy,We do not currently have a gauge that can support LiMNO2 accurately. We are working on a new algorithm to...
View Articlebq20z65 Version
A question for you….I installed the latest TI Evaluation Software for the bq20z65 from the website, version 0.9.64. It supports chip version 1.05. However when I connect to a battery pack using the...
View ArticleBQ20Z75 Remaining Capacity, Remaining time to Empaty and Battery Voltage...
Hi AllI have very specific question Regarding BQ20Z75 Battery Management IC.Required Battery Pack Term Volatge is 7V. Which I have set in Term Voltage register.But when I discharged my battery using...
View Articlebq30z55 calibrate procedure
HiIs there any different calibrate procedure between bq30z55 v32 and v34? Thanks
View ArticleBQ20z45 Lifetime Data
In datasheet,C.6.2.7 Lifetime Max Chg Current (Offset 12)If the [QEN] flag is set, Lifetime Max Chg Current is updated if one of the following conditions is met:• Internal charge current – Lifetime Max...
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