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  • BQ76952: External Turn off for DSG FET

    Resolved
    Part Number: BQ76952 Other Parts Discussed in Thread: TIDA-010208 , Hello, In TIDA-010208 (Page-6), the writer has used an external circuit (Q28 and peripheral) to turn off the DSG FET, we wanted to understand the advantage of it. Since, one could…
    • Resolved

  • BQ76952: About the ground of bq76952

    TI Thinks Resolved
    Part Number: BQ76952 Other Parts Discussed in Thread: TIDA-010208 , Hi TI's experts， 1. When I design the schematic diagram, because the reference ground inside the AFE is B-, and the reference ground of the externally connected MCU circuit is P-. Confused…
    • Answered

  • BQ76942: Balancing, FET Drivers, FG or MCU?

    Resolved
    Part Number: BQ76942 Other Parts Discussed in Thread: TIDA-010208 , BQSTUDIO , BQ34Z100-R2 I had a few questions revolving around the BQ76942 and supplemental circuitry. I'm working to build a 10s pack that requires the following: 15A Continuous Discharge…
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    • Answered

  • BQ76952: Use only Q29 reverse charge protection circuitry and remove Q28 related circuitry.

    Resolved
    Part Number: BQ76952 Other Parts Discussed in Thread: TIDA-010208 Hi There, I am referring "TIDA-010208" and I just need to use reverse protection and not the Q28 and its related circuitry. I want to know, exactly which components I need to remove…
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    • Answered

  • RE: BQ76952: The chip I used was BQ7695202, and in the short-circuit protection test, the short-circuit protection function was fine, but sometimes the temperature read by the TS3 would change to -273, and then it would not discharge

    Resolved
    Hello Cong, I understand now. We often refer to your "GND" as "PACK-". Vss should always be referenced to BAT-, this is how the part was designed to work. It should not be placed in PACK-. I originally missed that this is how you have it placed…

  • BQ76952: bq76952

    Part Number: BQ76952 Other Parts Discussed in Thread: TIDA-010208 , EV2400 , BQSTUDIO We are using the evaluation board TIDA-010208. We have mounted all AFE components as per schematic. 1.8V is at Pin number 24 ( REG18 ) continuously when 60 voltage…

  • BQ76952: BQ76952 ESD test fail

    Part Number: BQ76952 Other Parts Discussed in Thread: TIDA-010208 Hi The customer test with the BQ76952 board which they designed. They use the non-contact ± 15kV to test the CAN communication port, and find 8. 9. 10 pin damage. Total test with…
    • Answered

  • BQ76952: Maximum pin currents into body diodes

    Resolved
    Part Number: BQ76952 Other Parts Discussed in Thread: TIDA-010208 , Hello Matt directed my to the TIDA-010208 design and the pin diagram in my related thread. Given the abs max shows minimum voltage on the VC0 pin of -0.3V, a BAT43WS-7 will protect…
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    • Answered

  • BQ76952: Q29 ratings for a pack voltage of 92VDC

    Resolved
    Part Number: BQ76952 Other Parts Discussed in Thread: TIDA-010208 Hi There, We are planning to use BQ76952 chips for a 22cell BMS and I would like to know if the pack voltage is around 90VDC then what should be the ratings of Q29 and D42 ? I would…
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    • Answered

  • BQ76942: Transient protection in external balance circuit (SLUAA81)

    Resolved
    Part Number: BQ76942 Other Parts Discussed in Thread: TIDA-010208 The app note SLUAA81 says: A Zener diode is needed to protect the external FET gate from pack transients. For example, in the event of a short across the pack in a 10-cell battery, Cell…
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