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Showing 130 results View by: Thread Post Sort by
    Answered
  • TPS28225: The TPS28225 is a good option good for 200kHz PWM applications?

    Martin Holguin
    Martin Holguin
    Resolved
    Part Number: TPS28225 Other Parts Discussed in Thread: LM2105 , UCC27211A Hello everyone, I'm designing a Peltier cell controller circuit, and I'll be using a full H-bridge for this purpose. I will control the gate signals of the MOSFETs with a 200kHz…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • TPS28225-Q1: Mosfet driver locking

    Ovidiu Fechete
    Ovidiu Fechete
    TI Thinks Resolved
    Part Number: TPS28225-Q1 Hello, I have the same issue. I am designing a boost converter and I am using the IC to drive to MOSFETs. The converter works as intended and it boosts the voltage. The problem occurs when the input voltage rises above the output…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS28225: PWM threshold voltage

    Kei Kuwahara
    Kei Kuwahara
    Resolved
    Part Number: TPS28225 Hello team, My customer wants to use TPS28225 with 3.3V of PWM input with PWM mode only. On the datasheet, electrical characteristic table, it says LOW threshold is 1.0V and HIGH threshold is 3.8V when PWM=5V. On 7.3.4…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • TPS28225: Output signal wrong problem.

    Yu-Hui Xiao
    Yu-Hui Xiao
    TI Thinks Resolved
    Part Number: TPS28225 Other Parts Discussed in Thread: TL494 Hi, good day. I'm a college student. When i research for a synchronize BUCK converter, the problem, the two Ugate and Lgate outputs signal of TPS28225 is LOW but the PWM pin is high signal…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS28225: Dead time MIN MAX value

    Kei Kuwahara
    Kei Kuwahara
    Resolved
    Part Number: TPS28225 Hello team, On the datasheet, there was only typical value for the dead time of TPS28225. Do you have MIN and MAX value? Best Regards, Kei Kuwahara
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • TPS28225-Q1: PCN : 20231220001.2

    Tamas Szabo
    Tamas Szabo
    TI Thinks Resolved
    Part Number: TPS28225-Q1 TEXAS INSTRUMENTS - PCN : 20231220001.2 - Effective Date : 2024/06/20 - PCN Types : Fabrication site change / Qualification/Country of Origin/New Subcon (FAB) About the "CS2305251: PPAP20231227-028858", Here I create the first…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS28225: External resistor at PWM and GND

    Kei Kuwahara
    Kei Kuwahara
    Resolved
    Part Number: TPS28225 Hello team, On the datasheet 7.3.4.2 there is note about external resistor between PWM and GND. What if I don't put any resistor between PWM and GND? I believe it will disable 3-state mode, but will TPS28225 operate normally…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • TPS28225: Gate driver with compatible pinout but higher voltage rating

    Dennis Chertkovsky
    Dennis Chertkovsky
    Part Number: TPS28225 Hello Everyone, I made a design using the TPS28225, but after ordering the boards, I realized both the gate drive voltage and switch node voltage ratings were inadequate for the application. Gate drive voltage requirement is…
    • over 2 years ago
    • Power management
    • Power management forum
  • TPS28225: Question about error rate.

    David Kim2
    David Kim2
    TI Thinks Resolved
    Part Number: TPS28225 Hi I want to know the error rate between PWM input and gate output in tps28225. Thanks
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS28225: Power management forum

    Neil Levine
    Neil Levine
    Resolved
    Part Number: TPS28225 I'm using the TPS28225 to drive MOSFETS to pulse an inductor through a cap, resonant frequency about 75kHz. As I raise the MOSFET source V up towards the target, I begin to see some higher frequency oscillations at the switch node…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
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