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Frequent questions

  • [FAQ] TPS65086x: TPS650861, TPS6508641: Buck Controller External Feedback Set-Up

    Part Number: TPS650861 This thread applies to the TPS65086x devices, and specifically to the TPS650861 and TPS6508641 devices with regard to BUCK1. The TPS650861 PMIC has three Buck controllers: BUCK1, BUCK2, and BUCK6. Each controller has an external…

  • [FAQ] LP8732-Q1: PGOOD Triggers when output voltage is adjusted

    Part Number: LP8732-Q1 This FAQ applies to LP8732x, LP8733x, LP8732x-Q1, LP8733x-Q1. In LP873x-Q1 devices the PGOOD triggers always when output voltage is adjusted through I2C command no matter how small voltage step is applied. To overcome this and avoid…

  • [FAQ] LP87561-Q1: PGOOD triggers when output voltage is adjusted

    Part Number: LP87561-Q1 This FAQ applies to LP8756x-Q1, LP8752x-Q1. In LP875x-Q1 devices the PGOOD triggers always when output voltage is adjusted through I2C command no matter how small voltage step is applied. To overcome this and avoid SoC reset …

  • [FAQ] LP8732-Q1: How can I used LP873x PMIC PGOOD as a nRESET signal for a SoC

    Part Number: LP8732-Q1 This FAQ applies to LP8732x-Q1, LP8733x-Q1, LP8732x, LP8733x devices. In LP873x PGOOD monitoring is masked with EN signal, meaning when bucks are disabled the PGOOD is not monitored and the signal is high. This is done to allow combining…

  • [FAQ] LP8733-Q1: Where can I find register default information (OTP) for a LP873x PMIC

    Part Number: LP8733-Q1 Other Parts Discussed in Thread: LP8733 This FAQ applies for LP8732x-Q1, LP8733x-Q1, LP8732, LP8733 family devices. Datasheet for LP873x-Q1 devices typically does not include OTP default information since there are hundreds of OTP…

  • [FAQ] LP87561-Q1: Where can I find register default values (OTP) for a LP875x-Q1 device

    Part Number: LP87561-Q1 This FAQ applies for LP8752x-Q1 and LP8756x-Q1 family devices. Datasheet for LP875x-Q1 devices typically does not include OTP default information since there are hundreds of OTP spins on this product family and maintaining this…

  • [FAQ] LP87561-Q1: How can I use LP875x-Q1 PGOOD as nRESET signal for SoC

    Part Number: LP87561-Q1 This FAQ applies to LP8752x-Q1 and LP8756x-Q1 devices. In LP875x PGOOD monitoring is masked with EN signal, meaning when bucks are disabled the PGOOD is not monitored and the signal is high. This is done to allow combining several…

  • [FAQ] TPS6594-Q1: Residual Voltage Check

    Part Number: TPS6594-Q1 How does the residual voltage check work?

  • [FAQ] TPS6594-Q1: Schematics and PCB Checklist for TI Review Feedback

    Part Number: TPS6594-Q1 Other Parts Discussed in Thread: TPS6593-Q1 , This thread applies to TPS6593-Q1, TPS6594-Q1. Please download and complete the schematic checklist first and then ask TI team to review for feedback.

  • [FAQ] TPS43330-Q1: Differences between TPS43330-Q1 & TPS43330A-Q1

    Part Number: TPS43330-Q1 This thread applies to TPS43330-Q1. In device TPS43330 (non-A version): When device in LPM and waking up EXTSUP gets shorted to VREG and that may cause a restart of the device (including running buck regulators): High-IQ in…

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