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LM74502H - Low IQ High Side Switch Controller

Download the LM74502H datasheet PDF. This datasheet also covers the LM74502 variant, as both devices belong to the same low iq high side switch controller family and are provided as variant models within a single manufacturer datasheet.

General Description

The LM74502, LM74502H is a controller which operates in conjunction with an external back-to-back connected N-channel MOSFETs to realize a low loss reverse polarity protection and load disconnect solution.

Key Features

  • 3.2-V to 65-V input range (3.9-V start-up).
  • 65-V input reverse voltage rating.
  • Integrated charge pump to drive.
  • External back-to-back N-Channel MOSFETs.
  • External high side switch MOSFET.
  • External reverse polarity protection MOSFET.
  • Gate drive variants.
  • LM74502: 60-μA peak gate drive source capacity.
  • LM74502H: 11-mA peak gate drive source capacity.
  • 2.3-A peak gate sink current capacity.
  • En.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LM74502-etcTI.pdf) that lists specifications for multiple related part numbers.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
LM74502, LM74502H SNOSDE5A – DECEMBER 2021 – REVISED MAY 2022 LM74502, LM74502H Low IQ High Side Switch Controller with Reverse Polarity and Overvoltage Protection 1 Features • 3.2-V to 65-V input range (3.9-V start-up) • –65-V input reverse voltage rating • Integrated charge pump to drive – External back-to-back N-Channel MOSFETs – External high side switch MOSFET – External reverse polarity protection MOSFET • Gate drive variants – LM74502: 60-μA peak gate drive source capacity – LM74502H: 11-mA peak gate drive source capacity • 2.