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  • TPS548D22: Output noise / unstable in TPS548D22

    Part Number: TPS548D22 Hi Sir, My customer use TPS548D22 for 0.85Voutput , 40A application with FPGA. Please check the attached circuit and waveform in light load. https://drive.google.com/drive/folders/1I2gkKqkCKEj3i4JOz7W94IiMy7uBwnoj 1. Is the waveform…
    • Answered

  • TPS546D24A: Is TPS546D24A's OVP mechanism same as TPS548D22?

    Resolved
    Part Number: TPS546D24A Other Parts Discussed in Thread: TPS548D22 Hi, I want to check TPS546D24A's OVP mechanism. In TPS548D22, it turns on low-side FET until NOCP is triggered, then high-side FET is turned on for minimum on time. I think it has problem…
    • Resolved
    • Answered

  • TPS548D22: About OVP delay

    Resolved
    Part Number: TPS548D22 Hi Team, When I am reading about OVP delay, the table below indicates the delay is 1us for OVP delay 100mV OD Does it mean that when FB voltage is 120% above the reference, it needs to stay at 120%VREF+100mV for 1us to trigger…
    • Resolved
    • Answered

  • TPS548D22: improve transient response

    Resolved
    Part Number: TPS548D22 Hi expert, Customer has transient response time requirement that 0-30A, 1A/us, within 100us. They used two TPS548D22, 1V, and 3.3V, the response time is 192.8us and 326.2us accordingly. They are testing different Cff but it may failed…
    • Resolved

  • TPS548D22: TPS548D22 SW Jitter

    TI Thinks Resolved
    Part Number: TPS548D22 请教一下，TPS548D22 SW开关抖动比较大是什么原因？是因为FSEL被干扰或者AGND被干扰吗？

  • TPS548D22: Transient Response

    TI Thinks Resolved
    Part Number: TPS548D22 The input is 12 V，and the output is 2.5 V. The transient loading is from 2 A to 10 A. Why the overshoot followed by an undershoot, and the undershoot followed by an overshoot, no matter what the inductor I changed to?
    • Answered

  • TPS548D22: Power management forum

    Resolved
    Part Number: TPS548D22 Hi, Recently, my company project also apply TPS548D22 for 12V to 3.3V rail. We do need an Excel calculating to review it design. May TI shall the Excel calculator for us? Best Regards Jacky Chang
    • Resolved
    • Answered

  • TPS548D22: Fsw is set to 650KHz, what is spec tolerance when Vin is 12V and Vo is 3.3V/7A?

    Resolved
    Part Number: TPS548D22 Hi, According to the discussion thread, https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/909206/tps548d22-frequency-curve?tisearch=e2e-sitesearch&keymatch=TPS548D22%25252525252525252520Frequency#…
    • Resolved

  • TPS548D22: TPS548D22 VBP

    TI Thinks Resolved
    Part Number: TPS548D22 Hi: According to the TPS548D22 datasheet, VBP is 2.93V in the page6. However, the BP LDO output voltage is 5.07V. Why is the discription different? Thanks! Jiajun

  • TPS548D22: TPS548D22 pin 37

    TI Thinks Resolved
    Part Number: TPS548D22 Other Parts Discussed in Thread: TPS548D21 We have an existing design using TPS548D22 with pin 37 connected to gnd via a 1000pF cap. This is a mature design and seems to have no issues, though I see from some of the posts that pin…

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