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  • TPSM84A22: Soft Start behaviour

    Resolved
    Part Number: TPSM84A22 we use the TPSM84A22 to provide 1.39 V at maximum 8A rail in our system. Please see the sch: the total output capacitance is 141uF ( 3x 47uF ceramic) plus 0.1uF as seen above. Note : the inductor seen in the PI filter at the output…
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    • Answered

  • TPSM84A22: average model

    Resolved
    Part Number: TPSM84A22 Hi, I am trying to analyze the stability of TPSM84A22 power module. [1] Is there any average model available? This can help in drawing bode plots and closed loop output impedance curve. [2] Is there a way to do bode plot simulation…
    • Resolved

  • TPSM84A22: Vout tolerance and crossover frequency missing in web bench

    TI Thinks Resolved
    Part Number: TPSM84A22 Hi, I am using TPSM84A22 in my design for 1.9V at 10A. I used web-bench for the circuit design. I have some doubts: (1) The switching frequency is fixed at 4MHz. What is the crossover frequency? Does it vary with different Vout…
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  • TPSM84A22: Leaving power good pin floating.

    Resolved
    Part Number: TPSM84A22 HI TI Team, Can I leave power good pin (PGOOD) floating if power good functionality is not required? What does TI recommend? Thanks, Binayak
    • Answered

  • TPSM84A22: Schematic Verification for power modules of TPSM family

    Resolved
    Part Number: TPSM84A22 Other Parts Discussed in Thread: TPSM84424 Hi TI team, I'm using the following regulators of TPSM family in our upcoming board. TPSM family: TPSM84A22: 1.9V@10A TPSM84A22: 1.5V@10A TPSM84424: 1.8V@4A TPSM84424: 3.3V@4A TPSM84424…
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  • LMZ31710: Relevance of AGND in LMZ31710 and TPSM84A22

    Resolved
    Part Number: LMZ31710 Other Parts Discussed in Thread: TPSM84A22 Hi, In the datasheet of LMZ31710, it is told not to connect AGND (analog ground) with PGND (common ground) because they are connected internal to the IC. [1] What are the reasons for recommending…
    • Resolved

  • TPSM84A22: EMC

    TI Thinks Resolved
    Part Number: TPSM84A22 Hi, I have seen in the datasheet some EMC test results of the componant p.21 of the pdf. I would like to know more about the test conditions: Is the output load was "just" a passive resistor, or an active load ? Is there…

  • TPSM84A22: Could you please help check with power loss analysis to see how many load is ok (not trigger over temperature）for the module based on the customer's set up?

    TI Thinks Resolved
    Part Number: TPSM84A22 Hi team, My customer tested our EVM board with VIN 12V, Vout 1.8v, load 10A, no fan, ambient 95°C, and find the device will trigger thermal shutdown. You know the module's performance will change based on the device variation…
    • Answered

  • TPSM84A22: TPSM84A21: Radiated Emission Performance, Footprint, and release date.

    Resolved
    Part Number: TPSM84A22 Other Parts Discussed in Thread: TPSM84A21 The data sheet states that this module "Meets EN55022 Class B Emissions". Is there a graph available showing the Radiated Emission Performance? Also, where can I find the footprint…
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    • Answered

  • LMZ22010: Design as programmable via pot or DAC

    Resolved
    Part Number: LMZ22010 Other Parts Discussed in Thread: TPSM84A22 , TPSM84A21 , LM317 , LMZ14203H , PTN78020W Is this LMZ22010 module a fair candidate for a programmable supply via pot, I2C pot, DAC, etc.?
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