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  • BQ40Z80: Configure gauge to drive fewer than 6 LEDS

    Part Number: BQ40Z80 Other Parts Discussed in Thread: BQ40Z50 Tool/software: Hi , For our battery application we are using BQ40z80 , and the LEDs are configured for 5 LEDs rather than 6. We have noticed that after full charge , all 5 LEDs glow but …

  • BQ40Z80: Pack pin voltage is dropping when connected to load

    Part Number: BQ40Z80 Tool/software: Hello, When connecting the battery pack with the BQ40z80 IC, the pack pin voltage is dropping to 2.7V from 15.56V, there's no protection triggered or anything and the learning cycle isn't performed. The I2C communication…

  • BQ40Z80: Learning Status stuck at 06 and not moving to 14

    Part Number: BQ40Z80 Tool/software: Hi Team, We're unable to complete a learning cycle for our Molicel P50B (6s1p) pack, which is stuck at Learning Status 6 . The core issue is that the VOK bit fails to clear after the required 5-hour rest period…

  • BQ40Z80: BQ40Z80 UpdateStatus and Ra table updates issue while performing learning cycle

    Part Number: BQ40Z80 Other Parts Discussed in Thread: BQSTUDIO Tool/software: I initiated the learning cycle process using the BQ40z80 integrated circuit, referring to the SLUA848 document. I followed the steps precisely, but the UpdateStatus and Ra table…

  • BQ40Z80: BQ40Z80 SMBus master mode and slave mode

    TI Thinks Resolved
    Part Number: BQ40Z80 Hi TI team, Our product has (1) smart battery system and (2) battery pack application as below: For the smart battery system, BQ40Z80 uses SMBus1.1 with master mode. For battery pack application, MCU from DC fan configurates…

  • BQ40Z80: Disable AOLD

    Part Number: BQ40Z80 Tool/software: Hello 1..can i disable AOLD function? 2.. what will be the time between AOLD protection to recovery if i set the the recovery time to 0.. i saw that the recovery doesn't occur immediately after the protection

  • BQ40Z80: Chip unresponsive after calibration with BQstudio

    Part Number: BQ40Z80 Other Parts Discussed in Thread: BQSTUDIO , EV2400 , Tool/software: I made a custom board with BQ40Z80RSMT on it. I'm using a 3s configuration. I was able to communicate with the chip with the EV2400 and BQstudio. This appeared…

  • BQ40Z80: Not able to program the firmware into BQ IC

    TI Thinks Resolved
    Part Number: BQ40Z80 Tool/software: Hello, In the Battery pack we need to press the wake up button i get But If I try to program like this it says no acknowledge from device.

  • BQ40Z80: Sleep / Wake making making it impossible to read registers from BQ40Z80 via SMBus

    Part Number: BQ40Z80 Other Parts Discussed in Thread: BQSTUDIO Tool/software: I am a software engineer integrating our product externally with a BQ40Z80 over SMBUS / I2C. The battery component is still in development and so I am doing early integraion…

  • BQ40Z80：BQ40Z80初始固件

    Part Number: BQ40Z80 Other Parts Discussed in Thread: BQSTUDIO , EV2400 BQ40Z80初始固件怎样下载？

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