Datasheet4U Logo Datasheet4U.com

US91A Datasheet 24v Hall Ic Fan Driver

Manufacturer: Melexis

Overview: US90A / US91A 24V Hall IC Fan Driver.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The US90A/91A is a one-chip solution for driving two-coil brushless DC cooling fans.

Based on the advanced Melexis CMOS process, the IC contains a Hall-effect sensor, dynamic offset correction and low side output drivers.

Frequency Generator or Rotation Detection is available.

Key Features

  • Low cost High sensitivity Hall Sensor Locked rotor protection and auto-restart Power-efficient CMOS and power MOSFETs Built-in output protection clamping diode Integrated tachometer (US90A) or alarm (US91A) signal output 2-coil fan driver with FG/RD output in 4-pin VK / VA and 8-pin narrow SOIC packages (all RoHS Compliant).

Similar Datasheet

Brand Logo Part Number Description Manufacturer
Melexis Logo US91 24V Hall IC Fan Driver Melexis
pravance US9111 Silicon Pressure Sensor pravance

More Datasheets from Melexis

Part Number Description
US90A 24V Hall IC Fan Driver

US91A Distributor