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Showing 38 results View by: Thread Post Sort by
  • TPSM84A21: RC filter to VS+ pin

    Dice-K
    Dice-K
    TI Thinks Resolved
    Part Number: TPSM84A21 Tool/software: Hi support team, The PGOOD output of the TPSM84A21 is not stable. When the feedback to VS+ was changed from the far end (81mm) to a closer point (51mm), the oscillation seemed to subside. Also, when a 47Ω resistor…
    • 5 months ago
    • Power management
    • Power management forum
  • Answered
  • TPSM84A21: Enable and input power looks good, but regulator is not turning on.

    Chuck Duey
    Chuck Duey
    Resolved
    Part Number: TPSM84A21 Tool/software: We have a system with the TPSM84A21MOJRpart. We have the enable at 2.1V and 10V in. The Rset value is 732 ohms which should give 1.2V on the output. What we see is 0.618V on the output and the PG pin is low. If we…
    • Resolved
    • 7 months ago
    • Power management
    • Power management forum
  • TPSM84A21: TPSM84A21 on secondary side reflow?

    Joshua Pearson
    Joshua Pearson
    TI Thinks Resolved
    Part Number: TPSM84A21 Is it ok to place the TPSM84A21 on second side reflow?
    • over 3 years ago
    • Power management
    • Power management forum
  • TPSM84A21: Loop Response Measurement

    Hirotsugu Kobayashi
    Hirotsugu Kobayashi
    TI Thinks Resolved
    Part Number: TPSM84A21 Hi team, I would like to measure the loop response of TPSM84A21EVM. There is R7(0 ohm) on the EVM, can I measure changing R7? Is it possible to measure even if there is 10-ohm between VOUT and VS+ inside? Best Regards…
    • over 3 years ago
    • Power management
    • Power management forum
  • TPSM84A21: Low Frequency Ripple

    Hirotsugu Kobayashi
    Hirotsugu Kobayashi
    TI Thinks Resolved
    Part Number: TPSM84A21 Other Parts Discussed in Thread: TPS54A20 Hi team, The output has a ripple of tens of kHz. 12Vin 0.85Vout setting. The load has a total of 1300uF capacitors. Is it caused by the capacitance more than the data sheet recommended…
    • over 3 years ago
    • Power management
    • Power management forum
  • TPSM84A21: Is there a recommendation for an input filter for TPSM84A21/22?

    Dor Aharony
    Dor Aharony
    Part Number: TPSM84A21 Hello, I have multiple regulators off a single 12V rail off a server. The switching freq of the 12V input is unknown and can vary from server to server. Are there any recommended input filter values for use with this regulator…
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • TPSM84A21: Voltage regulator IC for Xilinx Zynq Ultra+ MPSoC XCZU7CG-1FFVC1156E

    Danilo A.
    Danilo A.
    Resolved
    Part Number: TPSM84A21 Other Parts Discussed in Thread: TPS54824 Hi Team, Our customer would like to use TPSM84A21 for Xilinx Zynq Ultra+ MPSoC XCZU7CG-1FFVC1156E. I have shared the link to the recommended voltage regulator IC for FPGA in the link below…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • TPSM84A21: Layout suggestion about the AGND pin

    Alton Cai
    Alton Cai
    Resolved
    Part Number: TPSM84A21 My question is why the AGND pin need such a large area of copper. Is it for heat dissipation?
    • Resolved
    • over 5 years ago
    • Power management
    • Power management forum
  • TPSM84A21: Keep out area means?

    Penn Zhang
    Penn Zhang
    TI Thinks Resolved
    Part Number: TPSM84A21 Hi, What does this keep out area in the datasheet means? Why need this? No via or routine? Thank you.
    • over 5 years ago
    • Power management
    • Power management forum
  • Answered
  • TPSM84A21: Shielded inductor

    Antoine J
    Antoine J
    Resolved
    Part Number: TPSM84A21 Hello, Is it possible to communicate the value of the shielded inductors integrated in the component (on the output)? I would like to calculate the cutoff frequency of the filter realised by those inductors associated with the…
    • Resolved
    • over 6 years ago
    • Power management
    • Power management forum
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