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Showing 166 results View by: Thread Post Sort by
    Answered
  • TPS54561: Calculation of internal high-side mosfet switching-loss

    kingson zhang
    kingson zhang
    Resolved
    Part Number: TPS54561 Hi TI From 8.2.1.2.12 Power Dissipation Estimate of the TPS54561 Rev.G datasheet, the calculation of internal high-side mosfet switching-loss is P = Vin * fsw * Iout * trise = 12 V * 400 kHz * 5 A * 4.9 ns = 0.118 W But from…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS54561: negative spike on SW during Vout short test

    Jayden Qiu
    Jayden Qiu
    Resolved
    Part Number: TPS54561 Hi team, This is Jayden, my customer use TPS54561. There is -8V/2ns spike on SW-GND during Vout short test. Please kindly help check if the spike is OK. As describe in datasheet, the absolute maximum rating in SW-GND is -7V/5ns…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • TPS54561-Q1: The Output voltage ripple is over 0.5% of VOUT

    Tommy
    Tommy
    TI Thinks Resolved
    Part Number: TPS54561-Q1 Other Parts Discussed in Thread: TPS54561 Hi E2E: There is a production project with TPS54561-Q1. The device is used as a VIN=20V,VOUT=4.6V buck regulator. We found out some of the device`s Output voltage ripple is over 0…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS54561: is there simplis/simetrix model

    Given Ding
    Given Ding
    Resolved
    Part Number: TPS54561 Other Parts Discussed in Thread: LM5145 Hi Team, is there simplis/simetrix model for TPS54561 and LM5145? Thanks. My customer need this for simulation. BRs Given
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • TPS54561: supports a switching frequency range of 100 kHz to 2.5 MHz

    kingson zhang
    kingson zhang
    TI Thinks Resolved
    Part Number: TPS54561 HI TI The switching frequency of the TPS54561 is adjustable over a wide range from 100 kHz to 2500 kHz by placing a resistor between the RT/CLK pin and GND pin. However, according to the application example in the datasheet…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS54561: line transient and eff data

    Given Ding
    Given Ding
    Resolved
    Part Number: TPS54561 Hi Team, per my customer's request, is there below test waveform or data in hand ? Vin = 12V to 58V, Vout= 11V,10V,9V,3.3V,1.8V,1.2V,0.8V Iout = 5A a. line transient. Vin changes from 12V to 58V. Iout=0.2W/Vout, 2A, 3A…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • TPS54561: Need few information about the part mentioned

    bhuvaneswari r
    bhuvaneswari r
    TI Thinks Resolved
    Part Number: TPS54561 Other Parts Discussed in Thread: LM76005 Hi sir, This is Bhuvaneswari from Zettaone Technology, I need to know few details for the part TPS54561DPRR Parts are currently active in the website, may i know how long it will be…
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS54561: the body-diode forward voltage drop value of internal high-side mosfet

    kingson zhang
    kingson zhang
    Resolved
    Part Number: TPS54561 Hi Sir If are there any updates about this question ?
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • TPS54561: Require case Temperature for Part Number TPS54561DPRR

    Bhavik Modi
    Bhavik Modi
    TI Thinks Resolved
    Part Number: TPS54561 Other Parts Discussed in Thread: LM5180 Hi Team, we are using TPS54561DPRR part and we require case temperature of given part so please provide this information.
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • RE: WEBENCH® Tools/TPS54561: Designing a Variable power supply with TPS54561

    Vishal Kakade
    Vishal Kakade
    Resolved
    Thank You Daniel
    • over 4 years ago
    • Power management
    • Power management forum
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