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  • RE: TPS25750: About VRECHG and generating bin file

    Resolved
    Hi Raymond-san, I will send you their settings. Please refer to the attached file. <Supplement(About new setting)> -To set VRECHG to 800mV - Added interrupt settings to GPIO10 They referred to the following E2E. https://e2e.ti.com…
    • Answered

  • TPS25750: IIN Current regulation configuration sent to BQ25730/25731 is wrong

    Resolved
    Part Number: TPS25750 Other Parts Discussed in Thread: BQ25730 , , TPS25751 Hi All, We have a perfectly working platform that uses TPS25750+BQ25730 to power a system and handle a battery (12.6V / 3A). Everything is working great so we tried to improve…
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    • Answered

  • [FAQ] BQ25700A: How soon could the host write to the buck-boost charger after power on?

    Resolved
    Part Number: BQ25700A When an input source plugs in, the charger checks the input source voltage to turn on LDO and all the bias circuits. It sets the input current limit before the converter starts. The power-up sequence from DC source is as follows…
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    • Answered

  • [FAQ] BQ25710: Will BQ25710 keep the old register settings after power off?

    Resolved
    Part Number: BQ25710 Other than flash memory (EEPROM) based digital devices, BQ25710 uses digital flip-flops as register memory. BQ25710 register is fast to read and write, and has no limitation on number of write cycles. During power on, BQ25710…
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    • Answered

  • [FAQ] BQ25700A: Buck-boost charger has high current ripple at light load. Is it stable?

    Resolved
    Part Number: BQ25700A It is normal to have high current ripple at light load. The BQ25700A operates in pulse frequency modulation (PFM) for best efficiency. It may skip a few pulses at light load. Moreover, the charger fully utilizes the 4 switches…
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    • Answered

  • [FAQ] BQ25713: What is the I2C device address of a battery charger?

    Resolved
    Part Number: BQ25713 Other Parts Discussed in Thread: BQSTUDIO The device address of a battery charger is a 7-bit address as specified by the I2C standard. The address can be converted as a hexadecimal value with a R/W bit at the end. For example, the…
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    • Answered

  • [FAQ] BQ25720: How to change the compensation network in my buck-boost charger?

    Resolved
    Part Number: BQ25720 BQ25720, an NVDC battery buck-boost charge controller, chargers 1S-4S batteries from a wide-range input sources (3.5V-26V). There are multiple loops inside the charger, for example, input voltage, input current, system voltage…
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    • Answered

  • [FAQ] BQ25700A: My adapter input voltage is always higher than the battery voltage, could I run BQ25700A in buck only mode?

    Resolved
    Part Number: BQ25700A Other Parts Discussed in Thread: BQ24800 , BQ24780S No, we can’t. The BQ25700A buck-boost charge controller utilizes all four switches during start up and light load conditions. BQ25700A won’t start up properly if two boost leg…
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    • Answered

  • [FAQ] BQ25700A: Why is BQ25700A battery quiescent current higher than expected?

    Resolved
    Part Number: BQ25700A Other Parts Discussed in Thread: EV2400 The BQ25700A buck-boost charger has a low power mode, which puts the device with battery only for lowest quiescent current. PROCHOT, discharge current monitor buffer, power monitor buffer and…
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