Does the IT Enable Bit must be set in Golden Image File for Production
Hello,i will use the bq27510. The Learning Cycle in the bqStudio Software was ok. In the End of this i have make an Golden Image File with this Tool. After this i see that the IT Enable Bit is still...
View ArticleSleep Mode bq78350
Hi there,I am testing a battery made up of 12 cells, using the bq78350.In order to meet the sleep mode requirements I have set the sleep parameters following the section 7.3.1 of the manual, using...
View ArticleUsing BQ34Z100 for generic battery computer with different batteries
Hello,I want to use the BQ34Z100 device to monitor SOC in a Camping RV. In this scenario the battery gauge is sold independently of the battery in use. Thus the Battery type (chemistry, design...
View ArticleBQ27742 I2C
What could cause a BQ27742 not to respond to I2C inquiry?I've tried a number of things, including the 2 sec SDA/SCL low to reset the I2C interface, and it doesn't respond to any I2C address (I...
View ArticleBQ34Z100-G1 Learning Cycle
Is the learning cycle for the g1 model the same as that for the previous model? I was using the following procedure to attempt to calibrate it however the ocvtaken flag was not being set. In addition...
View Articlebq76940 High Side FET or Low Side FET?
I'm recently design in a bq76940 + bq78350 bundle solutionalthough i know there's a low side FET driver integrated in bq76940but the customer concern about the short GND issue of the low side FET...
View ArticleBQ34Z100-G1 After Qmax calibration
Tom,I manage a new calibration Qmax Cycle and at the end of the charge termination I watch strange values for the following parameters :In data FLASH, Qmax Cell 0 : 7339 mAmpHrIn the registers,...
View ArticleBQ40Z60 Eval: calibrate pack > 20V
When I apply +24V DC to the "VAC" input (who *ever* thought of that nomenclature!) and provide calibration value, the calibration routine returns a big Red X. I finally discovered, in fine print at...
View ArticleWhich Java Version is the best for bqStudio
Hello,my bqstudio (v1.3.36 and v1.3.42) need a lot of time at startup, before searching any fuel gauge. Our Software Department ask my which Java Version bqStudio need. Maybe it use not the suitable...
View ArticleMosfet Short Circuit at Low Voltage (Low Temperature)
Hi,We are using BQ20Z655-R1 IC within our battery packs has 4 series cells, voltage ranges are beetween 10 and 16,8V. And the mosfets are FDS8813NZ N Channel Power Mosfet which suggested at IC's...
View Articlebq2050hsn is 'HDQ'or'DQ'
Hi,We are using bq2050h in our application, recently we bought some bq2050h but they did not work properly.On checking we found that some of the IC's are 'DQ' version while some are 'HDQ' version .But...
View ArticleBQ78350 DesignVoltage implementation
In the Smart Battery Data Specification Revision 1.1, the DesignVoltage is defined as the theoretical voltage of a new pack, however in the BQ78350 Technical Reference this parameter is defined as the...
View Articlebq27531-g1 software
Dear all,I have a bq27531-g1 and bq24297.I'm looking for some sample code (*.C) to do the basic read/write of relevant functions like SOC, Voltage, Current etc.Also it is possible to set a specific...
View ArticleCell overvoltage
I have a battery pack using the BQ20Z65-R1 to monitor the chagrining of the Li-battery. I got a Cell Overvoltage error and the charging was aborted. I am a novice and would like to know where to...
View ArticleBQ27520 EVM Rev A
Hi,I am using a q27520 EVM with EV2300. The problem that I am facing is that the current measured is negative times the actual current (-1*Actual Current). If I am charging the battery, I am seeing...
View ArticleBQ34Z100-G1 Transient Zeroing of RC during discharge
Current config is:Default chemistryBQ34z100-G1 EVMExternal sense resistorCalibrated voltage and current4s 5200mAh LiPo batteryI have performed several charges and discharges in which I am able to...
View ArticleBQ27532 I2C Can someone explain how on earth the commands work please (from a...
Folks,I am struggling to understand what on earth the BQ27532 datasheet is on about when it comes to explaining how to interface over I2C. The datasheet is just terrible when it comes to explaining the...
View ArticleAutoCycle BQStudio
Do not search any discription of using AutoCycle in Battery Management Studio 1.3.40.I made circuit what control charger and load in 2 pin mode. Then I select appropriate controlling pin, it turn...
View ArticleBQ Studio
Good Day,I Haven been trying to download the latest file of the BQ studio in order to program the BQ76930 chip but I have not been able to as I receive and error each time. Is there anyway you can send...
View ArticleBQ Firmware & Chemistry File error
Good Day,Inside of the BQ studio whenever I attempt to program the Chem file 288 that I received from a TI Engineer it sends back an error 1423. Also Where can I find the latest Firmware for the BQ78350?
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