BQ26500
I am Working on BQ26500 Which is a Coulomb Counter IC.Using it for 2s Li-ion battery in pos application. I am using a 2s IC S8242 AAY i.e SEIKO IC and a protection fet S6968 with it. I am facing...
View Articlebq77908A bq77910 high current cell balancing
IN both bq77908A bq77910 datasheets, cell balancing section, it states to contact TI for the example.High-Current (Approximately 100-mA to 150-mA) Balancing Using External Power FETsIn this example,...
View ArticleMeasure present current with bq34z110
I am able to sense the present voltage and state of charge of a lead acid battery using the BQ34Z110EVM. The datasheet only shows the AverageCurrent() command to sense current. The evaluation software...
View Articlebq78PL114 and LiFePO4
We designed 2 years ago a LiFePO4 battery pack (10Ah/3.2V/12 cell). We did several third party tests (CE, FCC, UL, UN tests) on it and got the correct approvals.However, under some occasions we noticed...
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Bq27410 with ev2400 error: "No Acknowledge: VB_T2H_NACK" ?
Hi,I buy a BQ27410EVM with a EV2400 for gauge a Li-ion battery 3,7VSo I install the "bqEVSWSetup00.09.75_bq27410G1v1.03d.exe" and after 2 or 3 connection I have a error (see the image)"No Acknowledge:...
View Articlebq34z651 & evEVSW
Hello, i use bq34z651 in my project. Where i can download the evaluation software or configuration files for this chip? Stepping of my chips "651_1_01". Thanks
View Articlequestions about BQ76PL536A
Hi all: I have found one sentence in the datasheet that "REG50 is disable in sleep mode",is there the sequence like that the REG50 disable and the IC go into the sleep mode?so we can judge...
View Articleloading BQ34Z100 senc file via microcontroller
I would like to load a senc file into the BQ34Z100 via a microcontroller. I think I saw a E2E post about doing that with an MSP430. What is the application note that describes that process?ThanksPatrick
View ArticleCharging depleted batteries BQ77910A
HiCan't find the information if BQ77910A is protecting against charging low voltage batteries?Can anyone help?If this function is not implemented is it true that low voltage cell will be detected as an...
View ArticleHistory Time Stamp
Hi alI am in the process of reading the safety histories from some battery pack that were used in the field but I am confused as to how the time stamp is incremented. The battery packs incorporate the...
View Articlebq27541-v200 fuel gauge learning cycle issue
Dear TI!I have a high power application based on MOLI-IBR18650B cells.There are 16 paralell connected cells in the battery. I divided the current and capacity range in calibration because I have...
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 ArticleClearing DFETF?
Hello,i have a bit default DFETF (my fuel gauge is a BQ20Z45-r1 in a 4S5P), i would like to know how to clear it (i have not send IT yet).I changedbothmosand nowI will wish toreset thisflag, I needyour...
View Articlebq3050 calibration with bqEVSW PC software
Hi Ladies & Gents,after calibration of bq3050 it is not possible to read the flash values from calibartion. It ends up with the message Runtime rerror '13', type mismatch. When verified this error...
View ArticleBQ76PL536A: change address to BQ
Hi!I want to know if it is possible to give a BQ any valid address; or if it has to be necessary first BQ on stack address1; second BQ on stack address 2...etc.I have two BQs configured as HOST in 2...
View ArticleBQ29200 CELL BALANCING QUESTION
I already know that our VC1 and VC2 are connected to the wrong cells, so, please ignore that part of the design. It doesn’t have any effect on my question. Please see attached schematic. What if the...
View ArticleVisual Basic and bq evalutaion SW
hello, looking for some info on how to communicate with a battery via thebq evaluation SW. is it possible?
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BQ27541 question (SOC, SOH, device name, etc..)
Hello~I'm writing the some questions for BQ27541-G1.Test condition & status are as below.Battery specificationSTD - LP51467SA Li-ion 3.7V / 1650mAh x 1EXT - LP51467SA Li-ion 3.7V / 1650mAh x 2...
View ArticleEV2300 controlling with batch file
Hi, is it possible to control the EV2300 programmer with a batch file to programm the internal EEPROM of a BQ27210 in an automated test system? If it is where can I find a description about the batch...
View Articlebq34z100 some basic getting started questions
Hello, We are looking at using the bq34z100 fuel gauge in a high-capacity 16s design. I have some basic questions to clarify some issues with regards to configuring the flash, and working with the...
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