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Showing 204 results View by: Thread Post Sort by
  • TPS4811-Q1: TPS4811-Q1 reverse protection for 48V system

    Scarlett Cao
    Scarlett Cao
    TI Thinks Resolved
    Part Number: TPS4811-Q1 Hi team, If customer use TPS4811-Q1 in below sch configuration (replace TPS1211 to TPS4811) and reverse connect 48V Vbat, will VSRC=-48V+ VF (MOSFET Q1 body diode)=-47V? If that's the case, does it mean this socket is not very…
    • over 1 year ago
    • Power management
    • Power management forum
  • TPS4811-Q1: TPS4811-Q1

    DAVIDE BELLINI
    DAVIDE BELLINI
    TI Thinks Resolved
    Part Number: TPS4811-Q1 Hi Team, I'm designing n electronic board to drive a DC brushed motor (permanent magnets). The voltage range is 9-32V. The motor controlled by a H-bridge so as to rotate in both directions. The motor speed is controlled…
    • over 1 year ago
    • Power management
    • Power management forum
  • TPS4811-Q1: TPS4811-Q1

    Pavel Rozenbaum
    Pavel Rozenbaum
    TI Thinks Resolved
    Part Number: TPS4811-Q1 What is the maximum sink current I(PD) of the TPS4811-Q1 when V(VS) = 25V to 55V and EN/UVLO is 0V and what is RPD in this case? I need to be sure that the VGS of the external MOSFET is low when the TPS4811-Q1 is in low quiescent…
    • over 1 year ago
    • Power management
    • Power management forum
  • TPS4811-Q1: Load dump

    Stas Shamanin
    Stas Shamanin
    TI Thinks Resolved
    Part Number: TPS4811-Q1 Other Parts Discussed in Thread: LM74930 Tool/software: Hi! Basically I need switch for inductive load for 48V system But in our system we have spikes up to 110V I want to move current sense part after MOSFET and protect…
    • 9 months ago
    • Power management
    • Power management forum
  • TPS4811-Q1: Random, short MOSFETs interrupts using TPS48111 driver

    Nikolai
    Nikolai
    Part Number: TPS4811-Q1 Tool/software: Hello everyone here, this is my first time in a E2E forum, initially i was seeking for any solution for random FET failures with TPS48111 driver and 2 days ago I found this thread which is also mostly describes my…
    • 5 months ago
    • Power management
    • Power management forum
  • Answered
  • TPS4811-Q1: TPS4811-Q1

    Suresh Khaleri
    Suresh Khaleri
    Resolved
    Part Number: TPS4811-Q1 PTPS48111LQDGXRQ1 DGX-19 TPS48111LQDGXRQ1 VSSOP19 Both parts are same of different . DGX-19 and VSSOP-19 are same package?
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • TPS4811-Q1: Enhanced transient voltage protection

    Jonathan Ehlmann
    Jonathan Ehlmann
    Resolved
    Part Number: TPS4811-Q1 Tool/software: We've seen transients across the Vs and Gnd pins of the TPS4811-Q1 that can damage the part. We'd like to add protection. We are thinking of adding a TVS and resistors. The datasheet suggests an 100 ohm in series…
    • Resolved
    • 11 months ago
    • Power management
    • Power management forum
  • TPS4811-Q1: Recommened gate resistor ?100k?

    Ondrej Sereda
    Ondrej Sereda
    TI Thinks Resolved
    Part Number: TPS4811-Q1 Tool/software: Hello, so i was reading the datasheet for this component and on page 18. there is a figure 8-6 with this commentary "Use a damping resistor R2 (~ 10 Ω) in series with C1. Equation 3 can be used to compute required…
    • 8 months ago
    • Power management
    • Power management forum
  • TPS4811-Q1: VAUX maximum voltage for switching application

    Riccardo Ierardi
    Riccardo Ierardi
    TI Thinks Resolved
    Part Number: TPS4811-Q1 Tool/software: Dear Support, I need to use the TPS48111 in a switching application at 48V. I plan to use the VAUX feature with the diode on the BST pin. The datasheet states that you can use a VAUX up to 15V. In a 48V configuration…
    • 7 months ago
    • Power management
    • Power management forum
  • Answered
  • TPS4811-Q1: Question about Programming the Overcurrent Protection Threshold

    ? ??
    ? ??
    Resolved
    Part Number: TPS4811-Q1 Tool/software: Hello experts, I want to know until how many amperes we can set using RIWRN resistor. In document of TPS4811-Q1, the resistor of 52.88kohm is calculating to set 15A. I want to set the overcurrent protection…
    • Resolved
    • 11 months ago
    • Power management
    • Power management forum
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