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  • RE: TPS62172: When "Vin" is changed, Vout (3.3V) changes.

    Hi Masashi, I will close this post as long time no feedbacks. If you need further support, please reply and this post will be open again.

  • TPS62172: IC didn't start switching and shorts power input

    Part Number: TPS62172 Hi, I hope you can help me with my power circuit problem. I am an embedded systems programmer and I have only a little experience with power source design. I have an issue with one of the older designs of my company. It is not my…

  • TPS62172-Q1: Output voltage Ripple (Glitch)

    Part Number: TPS62172-Q1 Other Parts Discussed in Thread: TPS62172 Hi team, My customer faced an output voltage ripple problem during using TPS62172. The schematic is given following. They found a high-frequency ripple/glitch at the output voltage. It…
    • Answered

  • TPS62172-Q1: TPS62172-Q1 Replacement

    Resolved
    Part Number: TPS62172-Q1 Other Parts Discussed in Thread: TPS62172 , TPS62162-Q1 , TPS62162 Hello team, Due to the delivery issue of the TPS62172-Q1, we are considering the alternative part. We believe below are the candidate. Non-automotive grade is also…
    • Resolved
    • Answered

  • TPS62172: What will be Vout after UVLO

    Resolved
    Part Number: TPS62172 Strange the part number TPS62172DSG has not been detected anyways I am using TPS62172DSGR in my project. My project has a charging IC with over-voltage protection and was thinking to use TPS62172DSG for converting battery voltage to…
    • Resolved
    • Answered

  • TPS62172: Grounding the PG pin and some design issues

    Resolved
    Part Number: TPS62172 Dear TI experts, I want to use TPS62172 to convert 3.7V of lipo battery to 3.3V output. Can I ask 4 design related questions? 1. Can the 100kΩ pull-up resistor in the picture above be removed if I don't use the PG pin and connect…
    • Resolved

  • TPS62172: Safe to apply external power onto output of voltage regulator?

    TI Thinks Resolved
    Part Number: TPS62172 We are using this part in our design to provide 3V3 to a microcontroller. During initial programming of the microcontroller, this buck regulator will not be powered – rather we will supply 3V3 from an external source. Is it…

  • TPS62172: Failures during power supply validation

    TI Thinks Resolved
    Part Number: TPS62172 Other Parts Discussed in Thread: TEST2 Hi Team, I'm creating this thread on the customer's behalf. Kindly refer to the question below: "We are facing failures of the tps62172 in our new design power supplies, 3 out of 4…
    • Answered

  • TPS62172: TPS62172 - Vin pin floating while the output gets 3.7-5.5V

    Resolved
    Part Number: TPS62172 Hello Team, we are testing an application where the TPS62172 is followed by a voltage supervisor. To test the failing conditions (monitored by the voltage supervisor) we are planning to apply an output voltage that goes from 3.7V…
    • Resolved

  • TPS62172: TPS62172 - ESD diode rating

    TI Thinks Resolved
    Part Number: TPS62172 Hello Team, the voltage rating for the Enable pin shows that the pin has the ESD diodes. To increase system robustness there is the need to protect the pin further. To achieve that, the plan would be to limit the current with a…

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