BQ34Z100 Errata
Hi,When I see the BQ34Z100 product page there is a errata for it. Is it still applicable?We are planning to use this product and get information such as battery low, DC Power or Battery Powered...
View Articlebq20z95
We are using the bq20z95 chipset on a system. During initial builds of the systems, the chipsets were programmed with lifetime data updates turned on, and the boards were tested to ensure alarms and...
View ArticleBQ7718xx
Dear SirIf I would like to use 2 series of 18650 battery in my product and our end-customer can change each of 18650 battery by themselvesBut about protect solution / Voltage Balance / Reverse battery...
View ArticleBq34z100 Setup and Calibration Issues
I've been trying to setup the Bq34z100 Eval Board with a 6-series LiFePO4 cell battery pack to evaluate the Bq34z100 for use in a current design project, and while I thought that I was making progress...
View Articleserialize bq27541
I need to program a unique serial number (SN) to each bq27541 chip at production.I created a program which modifies a base.gg file and creates many individual gg files each with unique SN data...
View ArticleClik here to view.
BQ34Z100 4 LED configuration ( 2 LED not lighting up )
I am configuring the BQ34Z100 to 2-in series cell ( LiFePo4 ) and is intending to use 4 LED and a tact switch. The schematics .I managed to link the fuel gauge to my EV2300 . And also able to get the...
View Articlebq34z110 Accesing data flash
Hello I am using an application with bq34z110 for monitoring 2 batteries. I use a standard microcontroller for communicating with bq through I2C interface. It is not clear for me how to use extended...
View ArticleBQ34z100
HelloI'm a student of an university in austria and at the time I'm working on a diploma project with 4 other students. We're developing a mobile power station for notebooks. We use lithium ionen...
View ArticleFuel Gauge IC Max Design Capacity
Hello,The max design capacity in mAhr as listed for most of the TI fuel gauge IC's is much lower than specified in the datasheets. For example, in the parametric data listed for the bq20z90-v150, the...
View ArticleDFI MISS-WRITE OF BQ27510-G2
Hi~Our customer use BQ27510-G2.Our customer did mis-write bq27520_3_02.dfi instead of bq27510_1_23.dfi.So, Our customer can't I2C interface to device.Our customer want method default setting reset by...
View ArticleChemistry selection tool problem
HelloI have some trouble finding out the chemid with the chemistry selection tool. When I do the calculation for the chemid MathCad just says that the bestchem variable is undefined as are maxerr and...
View ArticleClik here to view.
Optimization cycle in BQ34Z110 ; VOK flag not set
Hi all,We are using BQ34Z110 fuel gauge in one of our designs to operate with a 12V 7AH lead acid battery. We have completed the configuration,calibration part & now want to run a optimization...
View ArticleClik here to view.
bq78350_xxxx.srec firmware file
Hi. TI Engineers.I have to use EVM.I can not findthe bq78350_xxxx.srec firmware filein thehomepage.Please help find the file.
View ArticleClik here to view.
BQ20Z45-R1 max design capacity?
Dear TI,Just wondering why the product page for the BQ20Z45-R1 lists the max capacity at 32000mAh, but the datasheet gives a max Design Capacity of 65535mAh? Will the part allow for greater than...
View ArticleProduction programming bq27541-v200
I found the bq Multi-Station Tester Software and source code v2.29 on another post in this forum.It looks pretty close to what I need (except for a different serial number scheme), but doesn't seem to...
View ArticleSwitch bq27541 from HDQ to I2C
Is it possible to switch back to I2C from HDQ mode by reprogramming the bq27541?
View Articlebq34z110 Chemistry ID for G & Yu EB-100 Lead Acid battery.
We are planning to use the bq34z110 for G & Yu EB-100 Lead Acid battery.But there is no Chemistry ID for G & Yu EB-100 Lead Acid battery.We have read Application Report for Chemistry ID...
View ArticleQuestion about reading instantaneous discharge current with gas gauge devices
Hello!I am interested in using one of your fuel management ICs (especially, e.g. bq27530) in a new project. I would like to have the normal fuel gauging functions provided.However, I am interested in...
View ArticleMinimum number of cells supported by BQ76930
Hi,1) Can BQ76930 supports less than 6 cells ? If yes, what would be the cell connections for 5 and 4 cell series configuration.2)The BQ76930 EVM shows usage of PFET in external cell balancing...
View Articlebq769x0 CHG FET drive
Looking at Figure 7-2 in bq769x0 datasheet, I can't find a charge path for Q1 gate when Q2 is open.That would mean you can't charge without allowing discharge.I must miss something...Can someone show...
View Article