Answered

• BQ76920: Is BAT/VC5 voltage differential during Ship mode entry a violation of BQ76920 Absolute Maximum Ratings?

  

  Babaji Killadi

  Resolved

  Part Number: BQ76920 Hello. Below is the query related to BMS design using BQ76920. On a manual press of reset button the requirement is to turn off the discharge FET by switching the BMS IC from Normal mode to Ship mode. To achieve this a voltage…

  • Resolved

  • 1 month ago
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Answered

• BQ76920: BQ76920 no-connect cell voltage float after high amperage discharge.

  

  tony tumminaro

  Resolved

  Part Number: BQ76920 Hello, I have a BQ76920 set up fo 4 cell use. Cell 4 is the skipped cell. I'm testing at various discharge currents, and finding that after a higher amperage discharge (50A or higher in this case), cell 4 voltage that should be…

  • Resolved

  • 4 months ago
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• BQ76920: BQ76920 error reading voltage

  

  Soumitra Bhattacharjee

  Part Number: BQ76920 Tool/software: Hi team I have a 4s battery system with the BQ76920 as the BMS and VC3-VC4 shorted. However while reading the registers VC1 ... VC5, the VC4 register returns around 0.9V and the VC5 register returns 2.3XX V instead…

  • 9 months ago
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• BQ76920: BQ76920 3cells setting configuration

  

  Tom Tsao

  Part Number: BQ76920 Tool/software: Hi TI Team, If the BQ76920 is used for 3 cells with the following schematic, what risks should I be aware of? Will this cause any protections to be triggered? Thanks!

  • 10 months ago
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• BQ76920: BQ76920 Questions with SRP/SRN and SCD fault

  

  tony tumminaro

  Part Number: BQ76920 Hello, I made a boneheaded error and didn't notice that SRP and SRN are reverse in my schematic of how The datasheet says to connect them. I have SRN connected to the GND/BATT- side of the sense resistor, and SRP to the DSG FET…

  • 9 months ago
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• BQ76920: Disable under voltage protection for BQ76920

  

  Ferlyn Chua

  TI Thinks Resolved

  Part Number: BQ76920 Tool/software: Hi, Is it possible to disable under voltage protection for BQ76920? We are expecting 0V on connected cell during certain operation. Regards, Ferlyn

  • over 1 year ago
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• BQ76920: SCD Fault during Discharge

  

  Santosh Kumar

  Part Number: BQ76920 Hello, We are currently developing a BQ76920 board and have encountered an issue regarding the Short Circuit in Discharge (SCD) fault. During discharge, when a load of more than 1A is connected, the SCD fault triggers and…

  • 3 months ago
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• BQ76920: Can i use BQ76920 without MCU

  

  Ömer Faruk Köl

  TI Thinks Resolved

  Part Number: BQ76920 Tool/software: Can i use BQ76920 without MCU

  • over 1 year ago
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Answered

• BQ76920: Extensional Address for 930/940 in BQ76920

  

  Francis Jiang

  Resolved

  Part Number: BQ76920 Tool/software: Hi Team, Customer would like to know whether below register address of CB:6-10 and CB:11-15 is available in BQ76920? If not, when they write commend into these address in BQ76920, what will happen? They have 5s batteries…

  • Resolved

  • over 1 year ago
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• BQ76920: BQ76920 Cell 2 Voltage Sampling Anomaly (Overvoltage/Undervoltage) with Cells 1, 3, 4 Remaining Stable​!

  

  Fu zhipeng

  Part Number: BQ76920 Tool/software: Hi,teams! Issue Description:​ ​ During normal operation, the voltage of the second cell suddenly exhibits abnormally high voltage (around 9–10V) or abnormally low voltage (around 1–2V), while the expected…

  • over 1 year ago
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