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    Answered

  • BQ27Z561-R1: RELAX_JUMP_OK & RELAX_SMOOTH_OK

    Resolved
    Part Number: BQ27Z561-R1 Dear expert, Why we have two flag to control SoC jump during relax? RELAX_JUMP_OK & RELAX_SMOOTH_OK R ELAX_SMOOTH_OK control smooth engine but RELAX_JUMP_OK control like temperature change case? When R ELAX_SMOOTH_OK=1, smooth…
    • Resolved

  • BQ27Z561-R1: Avg I Last Run and Avg P Last Run

    TI Thinks Resolved
    Part Number: BQ27Z561-R1 Dear expert, How often Avg I Last Run and Avg P Last Run will be updated? And by how long duration for average? Thanks
    • Answered

  • BQ27Z561-R1: BQ27Z561-R1: I2C time out

    Resolved
    Part Number: BQ27Z561-R1 Other Parts Discussed in Thread: BQ27Z561 Shirish, The questions are following below thread: https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1085867/bq27z561-r1-i2c-clock-stretching…
    • Resolved
    • Answered

  • BQ27Z561-R1: SoC jump to 0 when Temperature rise quickly

    Resolved
    Part Number: BQ27Z561-R1 Other Parts Discussed in Thread: BQ27Z561 , GPCRB Dear expert, My BQ27Z561R1 works fine at -10C after RBteak. But in customer test, Battery is in 100% SoC relax for one hour( no current ), then their temperature ramp from -10C…
    • Resolved
    • Answered

  • BQ27Z561-R1: Flash reprogram

    Resolved
    Part Number: BQ27Z561-R1 Other Parts Discussed in Thread: BQ27Z561 , BQSTUDIO Dear expert, Sometimes, I cannot connect with BQ27Z561 EVM. And after I manually select BQ27Z561 target in BQstudio and reprogram EVM with *.srec. The EVM back to normal again…
    • Resolved
    • Answered

  • BQ27Z561-R1: ROM mode exit

    Resolved
    Part Number: BQ27Z561-R1 Other Parts Discussed in Thread: BQ27Z561 Dear expert, In customer board, 2/10 BQ27Z561 doesn't response any I2C command after some days test. They access 0x16(8 bit address, 0xB 7 bit address) to see whether BQ561 stuck at…
    • Resolved
    • Answered

  • BQ27Z561-R1: I2C NACK

    Resolved
    Part Number: BQ27Z561-R1 Other Parts Discussed in Thread: BQ27Z561 Dear expert, At customer production mobile, Occasionally, BQ27Z561 response NACK when master access 0x55 address(BQ27Z561 7bit I2C address). You can see below picture. SDA is high at the…
    • Resolved
    • Answered

  • BQ27Z561-R1: voltage offset

    Resolved
    Part Number: BQ27Z561-R1 Other Parts Discussed in Thread: BQ27Z561 Dear expert, Before calibration, customer measured 3780 mV for 3800mV voltage in their BQ27Z561 board. They measured around 100pcs board and all around similar -20mV range before calibration…
    • Resolved
    • Answered

  • BQ27Z561-R1: I2C time out mechanism

    Resolved
    Part Number: BQ27Z561-R1 Other Parts Discussed in Thread: BQ28Z610-R1 Shirish, "10.2.2 I2C Time Out: The I2C engine releases SDA and SCL if the I2C bus is held low for about two seconds." Let me further confirm above claim in our datasheet. At…
    • Resolved

  • BQ27Z561-R1: voltage offset continue

    TI Thinks Resolved
    Part Number: BQ27Z561-R1 Wyatt, This follows below thread: https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1087077/bq27z561-r1-voltage-offset/4024714#4024714 Customer is in pre-mass production phase and wish…

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