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  • RE: TPSM8A28: IR3475 and IR3473 replacement inquiry

    The TPSM8A28 is uses a COT control similar to the IR3473 and IR3475 and operates over the input voltage range of 4 to 6V and has switching frequency options of 600kHz, 800kHz and 1000kHz. the TPSM8A28 would be suitable power module for both IR3473 and…

  • TPSM8A28: current sharing function in TPSM8A28

    TI Thinks Resolved
    Part Number: TPSM8A28 HI Sir TPSM8A28 Can parallel out (current sharing)? or did you have other parts suggestions? thanks

  • TPSM8A28: Rtrip calculation

    TI Thinks Resolved
    Part Number: TPSM8A28 Other Parts Discussed in Thread: TPS548A28 Datasheet Equation 8 calculates Ilimvalley, and Equation 9 is supposed to use Ilimvalley, but Equation 9 just uses Iout instead? Looks like Equations 10 & 11 just use Iout as well. What…
    • Answered

  • TPSM8A28: Margining with UCD

    Resolved
    Part Number: TPSM8A28 To margin TPSM8A28 using the UCD, would the capacitor in the margining R-C-R be connected to VSNS-? I don't think the capacitor can be connected directly to GND on the board, right?
    • Resolved

  • TPSM8A28: VSNS- connection in single-ended sensing

    TI Thinks Resolved
    Part Number: TPSM8A28 AGND pin 14 is supposed to be NC on the board. In single-ended sensing, is VSNS- supposed to be connected to AGND pin 14 with a trace?

  • TPSM8A28: Using under 3.3V power supply condition

    TI Thinks Resolved
    Part Number: TPSM8A28 Other Parts Discussed in Thread: TPS548A28 , TPS548A28EVM Hi Team, My customer wants to use TPSM8A28 in their system as 3.3V power input condition. Do you think there are any risks such the use case? I can not check it on Webench since…

  • TPSM8A28:Conditions for applying external voltage to Vcc pin

    TI Thinks Resolved
    Part Number: TPSM8A28 Vin端子に3.3V±5%を印加した場合、Vcc端子に外部電圧を印加する必要がありますか?
    • Answered

  • TPSM8A28: Webench efficiency gap from the datasheet

    Resolved
    Part Number: TPSM8A28 Hi team, My customer found TPSM8A28 efficiency gap from the datasheet. He would like to check VIN=12V, VOUT=5V, IOUT=4A, 600kHz FCCM frequency of TPSM8A28. In the datasheet Figure8-9, it looks like ~93%. But the Webench shows that…
    • Resolved
    • Answered

  • RE: TPSM8A28: Drop off risk on the second reflow

    Resolved
    Hi Itoh, I just received the critical numbers from the team. See results for TPSM8A28 below: - Mass = 780 mg - Mass/Pad Area = 45.1 mg/mm^2 - Mass/Pad Perimeter = 10.5 mg/mm The Mass/Area ratio is borderline, but Mass/Perimeter is well below the thresholds…
    • Answered

  • TPSM8A29: Efficiency curve difference

    Resolved
    Part Number: TPSM8A29 Other Parts Discussed in Thread: TPSM8A28 Hi team, Is the efficiency curve on the TPSM8A28/9 datasheet applicable for both TPSM8A28 and TPSM8A29? Or, does it have any difference? The current range looks <15A which is only supported…
    • Resolved

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