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BQStudio incorrect cell measurements
I am using a BQ76940 and Bq78350_R1. Successfully programmed firmware, and have set the data register to read all 15 cells. I have several cells however that are reading erroneous voltages as shown...
View ArticleOver temperature detection during charge using BQ78350 and AFE BQ76930 - OTC...
Using BQ78350 and BQ76930 combination for BMS. Temperature reading ok and Discharge FET turns off (during OT in discharge).The OTC flag does not come on during charge and verified the following :1....
View ArticlebqStudio xp installation, run time errors
I installed bqStudio on an XP laptop without a problem but when I try to run it I get the error log below. We are more a Linux shop and don't have much XP expertise. I would appreciate if you can have...
View ArticleBattery Monitor Golden image flashing
how to flash Battery Monitor Golden image flashing ,can anyone gave the procedure how to flash it
View ArticleBQ34z100-G1/ How to Communicate
Hi,My customer is considering to use the BQ24780S and BQ34z100-G1.These device are going to be controlled by the MSP430.They have a following question.Can these device communicate on the same line?I...
View ArticleProduction Tool BQ40z60
Hi,we use the production tool and the Problem is, that we want to integrate it in our testing process.So is there the possibility, to get the source files of Production Tool for 4th Generation...
View ArticleBQ27411 ADC auto calibration function at sleep mode.
Dear All ,The ADC auto calibration function will change CC gain or CC offset parameter at bq27411-G1 .
View ArticleSchematic Review
Dear Sir/ MadamWe are working on Agriculture based Project in which we are using below Ti Part no.Charge Controller : BQ24650Fuel Gauge : BQ28z610Power Regulator : TPS63020 ; TLV62080 ; TLV713 We have...
View ArticleBQ27531EVM working with BQ27GDK000EVM ?
Hello,I recently ordered a BQ27531EVM and would like to know if fhis evaluation module that integrates a fuel gauge bq27531 and a battery charger bq24192 is compatible with the GDK (BQ27GDK000EVM)?Or...
View ArticleEMC problems with BQ40z60
Hello,I have trouble with BQ40z60 with EMC test during radiated emissions. The PCB exceeds allowed levels in many frequencies during charging only.Did the BQ40z60EVM pass the EMC tests? Do you have any...
View ArticleProgramming the fuel gauge bq27542-G1 flash parameters
am trying configure the bq27542-G1 fuel gauge flash parameters, Is there any alternate solution to configure those parameters without using any support tool(bqstudio) by means of programming directly...
View ArticleBQ27510 chip Firmware Upgrade from G2 to G3
I have read the .gg file from the BQ27510 chip which I thought older version G2. In that file, there is a "Device Name = BQ27510-G3". Does it means the chip itself is G3 version or the software might...
View ArticleProblem bq78350 + bq7692003PW
Hello.When using the bq78350 + bq7692003PW + 4 cells.(Bq78350 is powered by the voltage regulator 2.5 V)bq78350 overestimates cell voltage by 340 mV.(offset does not help)bk7692003PW true test measures...
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BQ27510-G3 - Golden image format
Hi all,In one of our designs, we are using the fuel gauge BQ27510-G3.We have successfully completed the optimization cycle of this fuel gauge using BqStudio software and generated the golden image in...
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Not able to charge and discharge BQ78350 and BQ76940 BMS system. The FET is...
I can read all voltages and everything seems fine. There are so many registers and I am not able to understand what warning or fault condition is stopping from CHG and DSG FET to be on.Below is the...
View ArticleHPA 495 with
I'm using the HPA495 for calibration etc. I have a 4-cell board, which is straightforward to connect up.I also have a 3-cell board. The cell connections are obvious, but where does the Pack+ connection...
View ArticleBQ27320 for Li-SOCl2 battery
TeamI'm looking for a gas gauge for a Lithium Thionyl Chloride battery, model ER34615 from Omnicel. I was considering the BQ27320 for this case. Is that an acceptable gauge for this battery?Attached is...
View ArticleBQ40Z50 - Change Security Keys 0x0035
Hello,I am struggling to change security keys. For example if I want to change the security keys for both unseal and full access to (unseal) 1234 5678 and (full access) 9ABC DEFG, I would send the...
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Wrong Registers Value Displayed by Bat Management Studio
Hi,I use bq34z100EVM to configure my batteries(2 x Panasonic LC-R127R2PG1).I setup the Design Capacity = 7200mah, Design Energy = 14400 mwh, and I've also already done the Voltage calibration, current...
View Articlebq78350 Scaling Current and Capacity
Hi all,I am using a bq78350 with its companion bq7692000 with a 4 cell 100Ah system. This is a high power system that will discharge up to 250A. This will use a 125uOhm shunt to measure the current.I...
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