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Frequent questions

  • [FAQ] TPS62933: How to achieve single-layer PCB layout with improved EMI?

    Part Number: TPS62933 Other Parts Discussed in Thread: TPS54302 , , TPS54335A A single layer printed circuit board (PCB) is widely used in major appliances, residential air conditioners, home audios, speakers and other small home appliances. Compared…

  • [FAQ] TPS2420: Can TPS2420 be a pin to pin replacement for TPS2590?

    Part Number: TPS2420 Other Parts Discussed in Thread: TPS2590 , Can TPS2420 be a pin to pin replacement for TPS2590?

  • [FAQ] TPS25947: What is the difference between TPS25947,TPS25946,TPS25210 and LM73100 ?

    Part Number: TPS25947 Other Parts Discussed in Thread: TPS25946 , What is the difference between TPS25947,TPS25946,TPS25210 and LM73100 ?

  • [FAQ] TPS61022: About PFM operation

    Part Number: TPS61022 Hi, I have two questions about the PFM behavior of TPS61022. Let me talk about the PFM of TPS61022. １. Could you tell me the pulse type of PFM? I would like to know the types of methods such as switching skip method and single…

  • [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…

  • [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…

  • [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…

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