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ACS761ELF-20B - 12V High-Side Hot-Swap Hall Effect Based Current Monitor

General Description

The ACS761 combines Allegro™ Hall-effect current sense technology with a hot-swap controller resulting in a more efficient integrated controller for 12 V applications.

By eliminating the need for a shunt resistor, the I2R losses in the power path are reduced.

Key Features

  • Hall-effect current monitor.
  • no external sense resistor required.
  • PGOOD and ¯P¯¯G¯¯¯O¯¯O¯¯¯D¯ indication.
  • Analog output voltage (factory trimmed for gain and offset) proportional to applied current.
  • External high-side FET gate drive.
  • 240V.
  • A power fault protection with user-selectable delay.
  • Overcurrent fault protection with user-selectable delay.
  • Fault protection isolates failed supply from output in < 2 μs.
  • 1.5 mΩ internal conductor resistance.

📥 Download Datasheet

Datasheet Details

Part number ACS761ELF-20B
Manufacturer Allegro Micro Systems
File Size 371.88 KB
Description 12V High-Side Hot-Swap Hall Effect Based Current Monitor
Datasheet download datasheet ACS761ELF-20B Datasheet

Full PDF Text Transcription for ACS761ELF-20B (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for ACS761ELF-20B. For precise diagrams, and layout, please refer to the original PDF.

ACS761ELF-20B 12 V High-Side Hot-Swap Hall Effect Based Current Monitor IC Features and Benefits ▪ Hall-effect current monitor—no external sense resistor required ▪ PGOOD...

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all-effect current monitor—no external sense resistor required ▪ PGOOD and ¯P¯¯G¯¯¯O¯¯O¯¯¯D¯ indication ▪ Analog output voltage (factory trimmed for gain and offset) proportional to applied current ▪ External high-side FET gate drive ▪ 240V*A power fault protection with user-selectable delay ▪ Overcurrent fault protection with user-selectable delay ▪ Fault protection isolates failed supply from output in < 2 μs ▪ 1.5 mΩ internal conductor resistance ▪ Active low latched Fault indicator output signal ▪ User controlled soft start / hot-swap function ▪ Logic enable input pin ▪ 10.8 to 13.