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Showing 17,434 results View by: Thread Post Sort by
  • BQ27Z561-R2-DEVICE-FW: ADS 1285 EVM-PDK testing problem

    Honghui Chen
    Honghui Chen
    TI Thinks Resolved
    Part Number: BQ27Z561-R2-DEVICE-FW Other Parts Discussed in Thread: ADS1285EVM-PDK , ADS1285 I'm testing the ADS1285EVM-PDK 32bits ADC board, but I met some problems. When I only connect the UBS wire to PC and do not connect sonser, I measure the voltage…
    • over 2 years ago
    • Power management
    • Power management forum
  • BQ27Z561-R2: BQ27Z561-R2 unseal doesn't work anymore

    Stefano Tebaldi
    Stefano Tebaldi
    Part Number: BQ27Z561-R2 BQ27Z561-R2 devices from newer lots can be programmed with the same DF.FS file used for years. After programming they are sealed. Default UNSEAL keys 0x0414/0x3672 work on older lots but fail on new lots. FW version, HW version…
    • 1 day ago
    • Power management
    • Power management forum
  • Answered
  • BQ27Z561-R1: please provide BQ27Z561-DEVICE-FW — BQ27Z561 Firmware pack of version 1.03

    Francis Fu
    Francis Fu
    Resolved
    Part Number: BQ27Z561-R1 Other Parts Discussed in Thread: BQ27Z561 We can’t read the correct data memory value use 1561_0_04-bq27z561.bqz and 1561_2_01-bq27z561R2.bqz from a bq27z561 which FW version is 1.03. And we need to do golden learning based on…
    • Resolved
    • 6 months ago
    • Power management
    • Power management forum
  • BQ27Z561-R2: BQ27Z561-R2 system side application inquiry

    Will Wang47
    Will Wang47
    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Hi team, Customer plan to use BQ27Z561-R2 in system side. Their battery pack get the PCM intergrated, so it get the MOSFET in series with the battery cell. For BQ27Z561-R2 is impedance track algorithm, they wander how the…
    • 1 month ago
    • Power management
    • Power management forum
  • BQ27Z561-R2: BQ27Z561-R2: BQ27Z561-R2: SOC 0% The discharge time is too long

    Alex
    Alex
    Part Number: BQ27Z561-R2 Hi When discharging at -10 ℃, the SOC is discharged from 0% to Term Voltage 3.4V, with a duration of more than 1H. Can you help me check how to optimize it; The attachments are GG files and low report files LT-20260321.zip…
    • 3 months ago
    • Power management
    • Power management forum
  • BQ27Z561-R2: BQ27Z561-R2 FW Change of Production Line

    RYOSUKE ARAKI
    RYOSUKE ARAKI
    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQSTUDIO Tool/software: We want to change the firmware in ROM mode for BQ27Z561-R2. (R1=>R2) Is there a TRM for ROM mode? The TRM (SLUUC54C) for BQ27Z561-R2 only has this image and text. …
    • over 1 year ago
    • Power management
    • Power management forum
  • BQ27Z561-R2: BQ27Z561-R2 use case

    kadam shah
    kadam shah
    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Hello Team, We are planning to use 1s1p Li-ion battery pack with inbuilt PCM. Can we use P/N: BQ27Z561YPHR-R2 outside of PCM towards the system side or it is suitable to place near to battery before protection IC (charge, Discharge…
    • 5 months ago
    • Power management
    • Power management forum
  • BQ27Z561-R2: Does the BQ27Z561‑R2 support an I2C rate of 400 kHz?

    Jony Zhong
    Jony Zhong
    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQ27Z561 , Hello TI expert, We have a project using the BQ27Z561‑R2 chip, and we found that random I2C read errors occur when the battery is used at the customer site. We discovered that the…
    • 4 months ago
    • Power management
    • Power management forum
  • BQ27Z561-R2: BQ27Z561-R2: Wrong value for current measurement

    Luca Mencarelli
    Luca Mencarelli
    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQ27Z561 , BQSTUDIO We are currently configuring the BQ27Z561 fuel gauge and we have encountered an issue while calculating the CC Gain. We are using a 10 mOhm shunt resistor, and by following…
    • 6 months ago
    • Power management
    • Power management forum
  • BQ27Z561-R2: Production Programming of BQ27Z561YPHR-R2

    Jamie Priest
    Jamie Priest
    Part Number: BQ27Z561-R2 Hello, Can you provide any documentation or application notes describing the correct production flow for this specific gauge (programming, calibration, data memory writing, golden image loading, authentication keys, and final…
    • 1 month ago
    • Power management
    • Power management forum
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