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  • TPS62177 Vin range at 100% duty cycle

    Resolved
    Other Parts Discussed in Thread: TPS62177 , TPS62175 Hi, We are looking at using the TPS62177 in a design. It will maily be used as a step-down DC/DC from 9-26V to 3.3V. Max load is about 500mA. Another input voltage we would like to support is 3.3V (we…
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    • Answered

  • TPS62177 Max allowed Vout when Vin is floating

    Resolved
    Other Parts Discussed in Thread: TPS62177 Hi, I plan to use the TPS62177 (Vout = fixed 3.3V) in a configuration where Vin is 9-26V. I would also like to be able to supply this board with 3.3V directly when the 9-26V input is floating (not connected). That…
    • Resolved

  • TPS62177 Review please.

    Other Parts Discussed in Thread: TPS62177 Circuit problems occurred during testing. TPS62177 -> Fixed Output : 3.3V/500mA But 3.3V is not output when configuring following circuit. In -> 8V, Out -> 1.8V In -> 12V, Out -> 3.5V In-> 20V, Out…
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  • TPS62177 Does not meet Vout when started under load

    Resolved
    I'm using a TPS62177DQCT 3V3 fixed output regulator. I used the schematic below. When I connect a resistive load of 6.6 Ohm (500mA), and then apply VIN of 24V, the Vout rises to a stable 2.9V. Only after removing the load for a split second, the Vout…
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    • Answered

  • TPS62177 - Finding pin 1 ?

    Resolved
    Other Parts Discussed in Thread: TPS62175EVM-098 Part is here – http://www.ti.com/product/tps62177 The data sheet is very vague on how to identify pin 1. We are trying to verify that parts are mounted to a board correctly. What mark should we be looking…
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    • Answered

  • TPS62177 grenades on power up the second time, but works on the first.

    Resolved
    ok so I am at a loss on this. I have a small power adapter board to take 19V down to 3.3V. when I apply power to it the first time, it powers up fine and produces 3.3v, however when i disconnect power and reconnect it, the chip literally blows a hole…
    • Resolved

  • Problems when exporting TPS62177 to Cadsoft Eagle Cad

    Other Parts Discussed in Thread: TPS62177 Hi, I'll use TPS62177 in a project. I'm using the Webench tool to check BOM and features etc. I'd like to export the schematic to Cadsoft Eagle Cad 6.4 but there is an error: ERROR: Exception occured…
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  • TPS62177 breaks on input voltage change

    Resolved
    Other Parts Discussed in Thread: TPS62177 , TPS62175 Hello, I am having trouble with TPS62177 (DQC). It operates from 5V to 12V, but when I tried to raise the voltage further up, the simple power supply broke, keeping the output at zero, but consuming significant…
    • Resolved

  • RE: TPS62175: TPS62175DQCR similar devices & replacements

    Thanks Nancy! I don't think the TPS62177 has any availability either. Are there any similar devices with availability?

  • RE: TPS65987D: Supplying from VBUS and Flash supply

    Hi Michael, Are you referring to https://www.ti.com/lit/df/tidrx16/tidrx16.pdf?ts=1596511941095&ref_url=https%253A%252F%252Fwww.ti.com%252Ftool%252FTIDA-050012 ? This shows a TPS62177 device supplying VIN_3V3. Can you please point your customer to this…

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