ACS761ELF-20B Datasheet 12v High-side Hot-swap Hall Effect Based Current Monitor

Manufacturer: Allegro Micro Systems

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

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	ACS761ELF-20B_AllegroMicroSystems.pdf

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.

When the ACS761 is externally enabled, and the voltage rail is above the internal UVLO threshold, the internal charge pump drives the gate of the external FET.

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.

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