Name: US90A
SKU: US90A-675679

The US90A by Melexis Microelectronic Systems is a (US90A / US91A) 24V Hall IC Fan Driver. Below is the official datasheet preview.

Datasheet Details

Part number	US90A
Manufacturer	Melexis Microelectronic Systems
File Size	335.99 KB
Description	(US90A / US91A) 24V Hall IC Fan Driver
Datasheet	US90A_MelexisMicroelectronicSystems.pdf
Additional preview pages of the US90A datasheet.

US90A Product details

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

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).