I2C communication with BQ34Z110
I am trying to communicate with BQ34z110 using a PIC microcontroller. I am trying to get a the Device ID(sub command 0x0001) as the reply from the IC, to make sure the communications are proper. The IC...
View Articlebq3050 / fall time of Nch FET drive
Hi Everyone,Our customer is now evaluating bq3050 and they would like to know about components which affect for fall time of Nch FET drive. Of course they understand that the CL and Rg willl be...
View Articlebq24192 Input Current Limit
I am in need of some clarification. The datasheet for the bq2419x states it has the capability to charge at 4.5A. More specifically, on page 18 under the Charge Current Control Register table it says...
View ArticleValidation of Software
My company produces medical devices and are required by the FDA to validate our software. One of our products uses a battery that is evaluated and calibrated by the bq2060AEVM-001 and bq2060AEVM-002...
View ArticleBQ3060 Life time data flashing problem
Dear all,I'm flashing the settings in BQ3060 , everything works perfect, also the testing and all safety features. But I have a big problem with lifetime data.After connecting the PCB to the battery in...
View ArticleBQ27500 Updating DFI from Version 1.20 to 1.30
Hello!I have several golden image DFI files to use with firmware 1.20 which should be updated to 1.30. I thought with the bq evaluation software it is possible to:#1 read 1.20 DFI file#2 export to gg...
View Article'Read to file' .senc BQ20z90
HelloI am trying to 'Read to file' a .senc file for a battery i have done a learning cycle on. I put the chip into boot ROM mode but whenever i go to Flash Memory>Read to File i get after a couple...
View ArticleBQ34Z110EVM with FTDI I2C dongle
Hi,Can the windows bq Evaluation software access the BQ34Z110EVM through I2C using a FTDI FT232R dongle (USB to I2C) ?In other word, is the EV2300 mandatory ?Thanks,BR,V.
View ArticleBQ20z65-R1 Data Flash Write Problem
HI,I am trying to write to the data flash on a new battery design using the BQ20z65-R1 v1.05, but the aval software does not seem to be able to update the data flash. When I write to any of the...
View Articlebq20z45 PMS pin
I have a bq20z45 IC with charge and discharge FETs. There is no ZVCHG FET or precharge FET. The precharge setting is configured to use the CHG FET. The PMS pin is connected to ground. I do not...
View Articletest the golden file
I have a golden file which I obtained using Bq27510 with BqEasy. How could I test it before I send it to production?Thanks,Adina
View ArticleBQ27541-V200 Gas gauge Full capacity
I am charging two lithium ion (1200 MAh nominal ) batteries connected in series. I can not get the Full Charge Capacity to go over 1126 mAh. I am having trouble understanding which flags that need to...
View Articlebq27510-G3 Technical Reference Manual
Hi all,i am looking for bq27510-G3 Technical Reference Manual. The link's (sluua97) in bq27510-G3 Datasheet doesnt work.Where to find it ?thanksAlexander
View Articlebq29330 short circuit protection problem
I use the BQ29330 in a battery management system, but have a problem with the short circuit function.I have set the short circuit in discharge configuration register to be 0x0000.For some reason it...
View ArticleBQ34Z100 - Capacity goes to zero with no load after a day or two
Hello,We are having trouble with the average charge capacity going to zero over 1 to 2 days with no load. The voltage still shows that the battery is at max or close to max capacity. If we disable and...
View ArticleBQ27531 with BQ24190 default charge current
Considering a BQ27513/BQ24190 design with default gas-guage flash configuration, I want to know what the default charge behavior would be. On its own, the BQ24190 would automatically charge the battery...
View Articlebq27531-G1 & bq24192 Charge Control
For these questions assume I'm using the bq27531EVM (bq27531-G1 & bq24192), using a new 10Ah battery (and Design Capacity set to 10000) at room temperature, and my power source provides 17V @...
View Articlebq27425-G2A / Using with pulled down BIN pin to GND always
Hi Teams,Now our customer plan to pull down BIN pin to GND always to keep to set BAT_DET bit. Then they would like to know if you have any concerns to use with such configuration. So can you please...
View Articleupdate firmware at production
Hi,I've read SLUA541 and I've learned that exists a tool named 'FlashStream.exe' that can be used to generate bqfs file format, where can I download it? thank you Luca
View ArticleGNDSEL bit in OCR BQ27501
Where could I find more information about the use of the GNDSEL bit in the bq27501? In the specification SLUS879A - June 2009 I find I think some confusing information.In chapter 5.3.1 I can read :...
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