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  • BQ27220: What is the difference between BQ27220 and BQ27320?

    Resolved
    Part Number: BQ27220 Other Parts Discussed in Thread: BQ27320 , , BQ27520-G4 Hi Team, What is the main difference between BQ27220 and BQ27320? These are both CEDV but I want to know how to decide which device to be selected. Best Regards, Yaita
    • Resolved
    • Answered

  • BQ27320: DEVICE_NAME mac subcommand description missing in TRM

    Resolved
    Part Number: BQ27320 Hello, I am writing a driver for a BQ27320, using the Technical Reference Manual (SLUUBE6A, March 2018) and can not find description of the DEVICE_NAME subcommand in section 2.1.x. How many bytes should it return? Is the subcommand…
    • Resolved
    • Answered

  • BQ27320EVM-766: BQ27320: format of the FW_VERSION mac subcommand

    Resolved
    Part Number: BQ27320EVM-766 Other Parts Discussed in Thread: BQ27320 Hello TI! I am implementing a driver for the BQ27320 and have trouble understanding the format of the FW VERSION control subcommand. I am sending FW_VERSION subcommand (0x0002) to the…
    • Resolved

  • BQ27320: Design Capacity

    Part Number: BQ27320 Hello, I am using a 3350mAh Battery with the BQ27320. This battery can go as low as 2.7V, but my device only works if the minimum battery voltage is 3.3V. If I discharge my battery from 4.2V (FULL) to 3.3V, the used capacity is 2500mAh…
    • Answered

  • BQ27320: Temperature

    Resolved
    Part Number: BQ27320 Other Parts Discussed in Thread: BQSTUDIO Hello, I am using a BQ27320 with an external NTC resistor attached to a battery. Right now the UI (Ev Board+BQStudio) only responds to the internal temperature sensor of the Gauge, I have to…
    • Resolved

  • BQ27320: Use Gauge with Microcontroller

    TI Thinks Resolved
    Part Number: BQ27320 Other Parts Discussed in Thread: BQSTUDIO Hello, I am using a BQ27320 to monitor the SOC of my battery. My Device has a PIC24 microcontroller. I already configured and tested the Gauge with the EV Board and BQStudio and exported…

  • RE: BQ27320: Settings Gauge

    Hello Cant, 1- Chances are that even though you entered a new Design Capacity, it wasn't written in data memory of the gauge. This could be due to not unsealing the gauge first. To double check you have the right Design Capacity value, please read back…
    • Answered

  • RE: BQ27320: EDV0 detection voltage does not work properly

    Resolved
    Hi Sato-san, Apologies for the delay. The reason that 0% RSOC is not being hit exactly at 3100mV is because the algorithm is using compensated EDV thresholds (the C in CEDV). This means that the algorithm is accounting for factors such as temperature…

  • BQ27320: Problem Board

    Part Number: BQ27320 Other Parts Discussed in Thread: BQ25180 , Hello, I designed a custom board using the BQ27320 and a BQ25180 as BMS. I am monitoring some strange behavior in my board and can not find where the problem might be. A USB is used as charger…

  • BQ27320: Settings Gauge

    TI Thinks Resolved
    Part Number: BQ27320 Other Parts Discussed in Thread: BQSTUDIO I am using the Ev Board to monitor the current from a Battery. When I edit the settings for the Gauge in BQStudio they don't upload to the Board. How do I upgrade the new settings to the Gauge…

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