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Frequent questions

  • [FAQ] BQ25700A: Why does BQ25700A start charging during initial power on?

    Part Number: BQ25700A Other Parts Discussed in Thread: BQ25703A , BQ25713 , BQ25710 , BQ25720 , BQ25730 , BQ25723 When the battery voltage is zero or fully depleted, it requires the host to charge it up, however, sometimes, the host is powered off the battery…

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

    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…

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

    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…

  • [FAQ] BQ25730: [FAQ] How do I ensure the charger schematic is satisfactory? Is there a schematic checklist for TI buck boost controllers such as BQ25700A, BQ25703A, BQ25708, BQ25710, BQ25713, BQ25713B, BQ25720, BQ25723, BQ25730, BQ25731?

    Part Number: BQ25730 Other Parts Discussed in Thread: BQ25703A , BQ25713 , BQ25731 , BQ25710 , BQ25700A , BQ25708 , , BQ25723 , BQ25720 , BQ25713B Dear all, The following document shows key considerations when choosing external components for BQ25700A, BQ25703A…

  • [FAQ] TPS2663: Paralleling eFuses

    Part Number: TPS2663 Other Parts Discussed in Thread: TPS1663 , , TPS2660 Can I parallel eFuses for higher currents ?

  • [FAQ] LM25066: What are the differences among LM25066I, LM25066A, LM25066IA, and LM25066?

    Part Number: LM25066 What are the differences among LM25066I, LM25066A, LM25066IA, and LM25066?

  • [FAQ] TPS2663: How does PGTH function in TPS2663 ?

    Part Number: TPS2663 How does PGTH function in TPS2663 ?

  • [FAQ] TPS2662: Can I connect RTN to GND ?

    Part Number: TPS2662 Can I connect RTN to GND ?

  • [FAQ] TPS2660: Can TPS2660 be used to protect negative voltage rails ?

    Part Number: TPS2660 Other Parts Discussed in Thread: TPS23523 , LM5068 , LM5067 Can TPS2660 be used to protect negative voltage rails ?

  • [FAQ] BQ25720: When an adapter is connected, is there any way to stop charging and switch to battery operation?

    Part Number: BQ25720 LEARN mode allows the battery to discharge while the adapter is present. It calibrates the battery gas gauge over a complete discharge/charge cycle. To enter learn mode, set the register bit EN_LEARN =1, the buck-boost converter stops…

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