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Showing 64 results View by: Thread Post Sort by
    Answered
  • LM74502H: LM74502H charge pump does not start with negative SRC voltage (< –3 V)

    Philipp Labod
    Philipp Labod
    Resolved
    Part Number: LM74502H Other Parts Discussed in Thread: LM74502 Problem description: The LM74502H does not switch on once SRC becomes more negative than approx. –3 V. In this condition the MOSFETs remain off; GATE is internally clamped to SRC (GATE …
    • Resolved
    • 2 months ago
    • Power management
    • Power management forum
  • LM74502H-Q1: LM74502H-Q1

    Harini A J
    Harini A J
    TI Thinks Resolved
    Part Number: LM74502H-Q1 Tool/software: Hi, Can I get the p-spice for Ti model for this part
    • 6 months ago
    • Power management
    • Power management forum
  • Answered
  • LM74502H-Q1: LM74502H-Q1 VCAP Low Voltage and MOSFET Gate Drive Issue

    Malek Hattab
    Malek Hattab
    Resolved
    Part Number: LM74502H-Q1 Other Parts Discussed in Thread: LM74502-Q1 , LM74800-Q1 Hello Support Team, I am using the LM74502H-Q1 for over-voltage protection. The schematic is attached below: Protection circuit.pdf The system is intended to operate…
    • Resolved
    • 4 months ago
    • Power management
    • Power management forum
  • LM74502H-Q1: Vcap raise to 48V

    Daniel Wang (auto)
    Daniel Wang (auto)
    TI Thinks Resolved
    Part Number: LM74502H-Q1 Other Parts Discussed in Thread: LM74502H Hi team, My customer is using the LM74502H-Q1 to drive 11 pairs of back-to-back MOSFETs. In the case where the downstream stage has a capacitive load, after enabling the driver chip…
    • 1 month ago
    • Power management
    • Power management forum
  • Answered
  • LM74502H: Input Surge Stopper

    Peter
    Peter
    Resolved
    Part Number: LM74502H Tool/software: If I implement the circuit in Figure 9-8, in the on state, R1 would cause a voltage drop due to the supply current and charge pump. As such, V(VS) < Vin ~= V(SRC). Wouldn't this violate the Abs Max Rating for SRC…
    • Resolved
    • 10 months ago
    • Power management
    • Power management forum
  • LM74502H: unencrypted model

    Rashmi Rajendra Keche
    Rashmi Rajendra Keche
    Part Number: LM74502H Tool/software: I am not able to simulate my circuit using this model. I need an unencrypted model of this IC. Can you provide it.
    • 11 months ago
    • Power management
    • Power management forum
  • LM74502H-Q1: LM74502HQDDFRQ1 Technical Specifications Confirmed

    Alon Chen
    Alon Chen
    Part Number: LM74502H-Q1 Hi Team, 1. Is there a maximum capacitance limit for the VCP capacitor of the LM74502HQDDFRQ1? The datasheet only gives a minimum capacitance value. Currently, the customer is using a 1uF bootstrap capacitor; is there any risk…
    • 4 months ago
    • Power management
    • Power management forum
  • LM74502H-Q1: Feasibility of LM74502H-Q1 for use in motor output cutoff application

    reshma b
    reshma b
    TI Thinks Resolved
    Part Number: LM74502H-Q1 Other Parts Discussed in Thread: LM74800-Q1 Tool/software: Hi, In a specific motor drive related automotive application, I need back-to-back MoSFET to prevent back EMF when battery supply to the drive is disconnected. Please…
    • over 1 year ago
    • Power management
    • Power management forum
  • LM74502-Q1: LM74502-Q1, LM74502H-Q1 IC as a 60V, 100ms Surge stopper requirment

    Shivani Modi
    Shivani Modi
    TI Thinks Resolved
    Part Number: LM74502-Q1 Other Parts Discussed in Thread: LM74502H-Q1 , , LM74502 , LM74502H Hi, We have application of 28V@1.2A supply. we want to place LM74502-Q1, LM74502H-Q1 for surge stopper, Inrush current limit , over voltage protection and soft…
    • 4 months ago
    • Power management
    • Power management forum
  • Answered
  • LM74502H: LM74502H for PWM up to 1kHz possible?

    Andreas Höfler
    Andreas Höfler
    Resolved
    Part Number: LM74502H Hi Is it possible to use the LM74502H for PWM applications in the range of 1kHz? I am looking for a simple gate driver IC which can go up to appx. 60V for simple relay replacement in HS configuration and is also capable to be…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
>

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