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Showing 288 results View by: Thread Post Sort by
    Answered
  • BQ27Z561-R2: External Temperature Sensor Accuracy

    Nic Bergmann
    Nic Bergmann
    Resolved
    Part Number: BQ27Z561-R2 What accuracy (in +/- deg C) can be expected using an external 10k NTC thermistor (e.g. 103AT-2). If needed, for simplicity, the accuracy of the NTC itself can be ignored. If not, the application in question uses an R25 = 10k…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • BQ27Z561-R2: internal temperature sensor accuracy

    Marien Vermeulen1
    Marien Vermeulen1
    TI Thinks Resolved
    Part Number: BQ27Z561-R2 What is the BQ27Z561-R2 internal temperature accuracy by default? I know this sensor can be callibrated, but that is not practical and required for us. We just want to know the default accuracy for a new not configured chip.
    • over 5 years ago
    • Power management
    • Power management forum
  • Answered
  • BQ27Z561-R1: Help in better understanding difference and usage for BQ27Z561 / BQ27Z561-R1 / BQ27Z561-R2

    FFabio
    FFabio
    Resolved
    Part Number: BQ27Z561-R1 Other Parts Discussed in Thread: BQ27Z561 , , BQ27Z561-R2 , BQ27Z561EVM-011 Hi Team, I've a question about the BQ27Z561 device. On the TI web site I can see basically three versions: - BQ27Z561 - BQ27Z561-R1 - BQ27Z561…
    • Resolved
    • over 6 years ago
    • Power management
    • Power management forum
  • BQ27Z561-R2: Device Security - Authentication function with secure key

    Maurizio Risicato
    Maurizio Risicato
    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQ9035 , , BQPRODUCTION , SHA-256 , EV2400 , BQ27Z561-R1 I would have the following questions about managing the authentication function with the secure key: 1) Does "bqkey programmer" release…
    • over 4 years ago
    • Power management
    • Power management forum
  • BQ27Z561-R2: I2C internal circuit

    Shunsuke Nagata
    Shunsuke Nagata
    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Hi, Could you please let me know about I2C interface? Datasheet shows that external pull - up are required. Are the output of SCL and SDA open drain output? If there are internal pull up registers, could you please let me…
    • over 5 years ago
    • Power management
    • Power management forum
  • BQ27Z561-R2-DEVICE-FW: A question about cell swelling control of BQ27Z561-R2

    Sophia Yao
    Sophia Yao
    TI Thinks Resolved
    Part Number: BQ27Z561-R2-DEVICE-FW Other Parts Discussed in Thread: BQ27Z561 Hi team, Nice to meet you by email. When the gauge is doing cell swelling function, is there a PF status which indicates this function? thanks and best regards, Sophia
    • over 6 years ago
    • Power management
    • Power management forum
  • BQ27Z561-R2: After FC, the SOC drops to 95%

    Statham Su
    Statham Su
    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Hello Sir: We are using a BQ27z561-R2, but we see a drop in SOC from 100% to 99% after 70 minutes. Would you please help to check the log and gg files? We want to know the root cause. Please help to provide your recommendations…
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • BQ27Z561-R2: Register and SBS commands

    user5768972
    user5768972
    Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQ27Z561 , BQ27541 Hi all. I heard that the bq27Z561 was originally designed to improve the large current consumption, which was a drawback of the bq27Z560. Does this mean that the register…
    • Resolved
    • over 5 years ago
    • Power management
    • Power management forum
  • BQ27Z561-R2: low temp drop to -10 degrees will case volage jump from 3.4V to 0V

    Raymond He
    Raymond He
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: GPCRB dear When using BQ27Z561-R2, we encountered the same problem on both projects. There was no jump at room temperature, but the jump was serious when the temperature was -10 degrees; how…
    • over 3 years ago
    • Power management
    • Power management forum
  • BQ27Z561-R2: When production stage, programming failed and device had no ack

    Statham Su
    Statham Su
    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQSTUDIO Hello Sir: We are entering mass production stage, but we found there had 2 pcs failed. And the failed condition likes no responds from device. Please refer the I2C waveform as below…
    • over 4 years ago
    • Power management
    • Power management forum
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