MLX90285 Datasheet 24V Low Noise Two-Coil Fan Driver

Manufacturer: Melexis

MLX90285 24v low noise two-coil fan driver by Melexis - Datasheet Preview

Datasheet Details

Part number	MLX90285
Manufacturer	Melexis
File Size	734.29 KB
Description	24V Low Noise Two-Coil Fan Driver
Download	MLX90285 Download (PDF)

General Description

The MLX90285 is a one-chip solution for driving two-coil brushless DC cooling fans.

Slope Control Power Output Driver HV Clamp No-VDD system Voltage Regulator Power Output Driver HV Clamp Slope Control Crossover Detection Level Shifter Level Shifter Hall plate BOP/B RP DAC COMP Offset Cancellation Reference Bias Digital Core Power-On Reset Locked Rotor Protection Digital Slope Control Register Oscillator Output Control Logic Driver Supply Voltage Track & Hold The device

Overview

MLX90285 24V Low Noise Two-Coil Fan Driver.

Key Features

1-chip solution (Hall element + Output Drivers) Soft Switching for low noise Active Slope Control without external components automatically adapts slope to rotation speed Two-Stage Thermal Protection Locked Rotor Protection and auto-restart Tachometer open drain output (MLX90285-FG) Alarm open drain output (MLX90285-RD) Available in 4-pin through-hole VK (“No-VDD” design) and surface mount SOIC8, all “Green” Compliant package Pin-to-pin compatible with US90A & US91A.

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