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Frequent questions

  • [FAQ] TPS546D24A: Selecting Rboot and Calculating Rboot power dissipation

    Part Number: TPS546D24A In the TPS546D24A EVM, and many TI reference designs for high-current Buck switching converters, I see that there is a resistor in series with the BOOT pin to connect a capacitor to the switching (SW, PHASE, Etc) pin. How do I…

  • [FAQ] UCC21520: How can I prevent false turn on of the Power FET during powerup?

    Part Number: UCC21520 How can I prevent false turn on of the Power FET during powerup?

  • [FAQ] LP5860: LP5860EVM

    Part Number: LP5860 Dear users, Here is the newest version of LP586x GUI. LP586x_1.0.0_installer_win.zip

  • [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 ?

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