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BQ40Z50-R2: During learning cycle, When the discharge voltage is below 10%,...
Part Number:BQ40Z50-R2The chemical id has been correctly learned and updated, but When the discharge voltage is greater than 10%, RDIS is normal. When the discharge voltage is less than 10% RDIS is...
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BQ40Z50-R2: Questions about learning cycle
Part Number:BQ40Z50-R21. In step 7, is there some requirement about the charging current for the battery. I see 0.5C in some materials, but our fast charge is designed to be 1C. And the battery...
View ArticleBQ27520EVM: Questions about the inaccuracy of bq27520 EVM temperature test
Part Number:BQ27520EVMWhen using the bq27520 demo board to connect our battery for temperature calibration (the TS of the demo board is connected to the temperature sensing pin of the battery), The...
View ArticleBQ34Z100: Register setting for bq34z100 learning cycle
Part Number:BQ34Z100Hello, I am using four 18650B paralleled and setting the bq34z100 registers through bqstudio (version 1.3.80) and EV2400: the data in red were changed and the design capacity and...
View ArticleBQ34Z100: TI High Cell bqProduction SBB bq34z100 can't start, I get an error,...
Part Number:BQ34Z100Our customer met question as blow：TI High Cell bqProduction SBB bq34z100 can't start, I get an error, an error has occurred see the log file!SESSION Sat Jul 28 10:52:56 CST 2018...
View ArticleBQ27542-G1: HDQ Communication between BQ27542 and msm8953(Qualcomm processor)
Part Number:BQ27542-G1When I connect BQ27542 with msm8953 with HDQ communication, I find that BQ27542 do not response. I follow the directions in datasheet and get the waveform in oscilloscope. HDQ is...
View ArticleBQ40Z50-R1: How to use BQ40Z50-R1 to a battery with larger capacity?
Part Number:BQ40Z50-R1As the BQ40A50 datasheet shown, the maximum capcity is 32000mAh with overcurrent limit 32A. If I use it for battey pack with 15 parallel and 4 series. And the total capacity is...
View ArticleBQ33100: Difference in Offset from New Datasheet and Old Datasheet
Part Number:BQ33100Hello,I have a customer who has seen this:Calibration (Data section) offset:We found a gap between the calibration offsets values as listed in the old datasheet comparing to the new...
View ArticleBQ35100: Can it be used with Alkaline Primary Cells?
Part Number:BQ35100My application will consist of the following:2-4 cells of Alkaline batteries (Zinc + Mn02)Operational range of 2.2V to 12V.1) Can the BQ35100 be used with alkaline batteries?2) Can...
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BQ27542-G1: Erratic jumps in the capacity reported by the fuel gauge
Part Number:BQ27542-G1Our BQ27542-G1 fuel gauge has been calibrated using TI BQ Studio, and the calibration files are flashed over I2C in production. Unfortunately, units exhibit frequent jumps in the...
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BQ34Z100:
Part Number:BQ34Z100Team, My customer is asking:Per the datasheets for the BQ34Z100 and the BQ34Z100-G1, the manufacture date uses the following function to translate to and from the value stored in...
View ArticleBQ20Z45-R1: CFETF Failure Even Though the Charge FET is Off
Part Number:BQ20Z45-R1We under-charge some batteries in our product line. Some chargers do not communicate with our batteries and are over-charged due to the settings in the gg file. We were under...
View ArticleBQ34Z100-G1: BQ34Z100-G1: Will charging voltage affect reported fuel gauge SOC?
Part Number:BQ34Z100-G1Hello,We have a BQ34z100-G1. - When our battery is about fully charged our battery is being trickle charged with @~200 mA- When our battery is low it is being charged @ ~2...
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BQ78350: BQ78350
Part Number:BQ78350Eval Board: BQ76940EVMSoftware: Battery Management Studio (bqStudio)Interface: EV2400I configured the "AFE Cell Map" in the following way:Now, my eval board do not boot-up.Is there...
View ArticleBQ20Z45: CFETF false triggering in production
Part Number:BQ20Z45I currently have a design implementing the BQ20Z45-R1 with a few thousand units deployed in the field. Customers have started to find that their batteries are failing prematurely...
View ArticleBQ2050: BQ2050 debug software
Part Number:BQ2050Hi Ti's experts,I have a case which need use BQ2050, I cannot change it to Bq34z100, because it is the solution specified by the end customer.I can not find the bq2050 debug software...
View ArticleBQ27545-G1: I2C to HDQ command and seal command?
Part Number:BQ27545-G1Dear TI Expert,My customer want to design MP and calibrate equipment of BQ27545. They want to know the command of "I2C to HDQ" and "seal". Could you kindly advise? Or Where we...
View ArticleBQ27510-G3: How can the Battery Gauge be forced into low power mode?
Part Number:BQ27510-G3For an upcoming design, our electrical engineer has asked that the software team place all of the components into their lowest power state so that he can assess whether or not we...
View ArticleBQ20Z90: SOC Variation
Part Number:BQ20Z90We're making release decisions based on the State of Charge (SOC) reported through our 'battery talker'. Has accurate is the SOC measurement? Does anyone have data on the amount of...
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BQ27510-G3: What I2C operations actually cause "BAT_INSERT", "BAT_REMOVE",...
Part Number:BQ27510-G3In reading the "Technical Reference Manual" (SLUUA97) for the BQ27510-G3 Battery Gauge, Section 2.1describes a set of Control() subcommands:Now for the subcommands that read data,...
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