EMC2301 - PWM Fan Controller

Product Overview

Microchip

Part number	EMC2301
Manufacturer	Microchip
File Size	0.98 MB
Description	PWM Fan Controller
Datasheet	EMC2301 Datasheet
Additional preview pages of the EMC2301 datasheet.

The EMC2301/2/3/5 family is an SMBus compliant fan controller with up to five independently controlled PWM fan drivers.

Up To Five Programmable Fan Control Circuits: - 4-wire fan compatible - High-speed PWM (26 kHz) - Low-speed PWM (9.5 Hz-2240 Hz) - Optional detection of aging fans - Fan Spin Up Control and Ramp Rate Control - Alert on Fan Stall - Up to three selectable default fan speeds for the EMC2303/5.
Watchdog Timer.
RPM-Based Fan Control Algorithm: - 0.5% accuracy from 500 RPM to 16k RPM (external crystal oscillator) - 1% accuracy from 500 RPM to 16k RPM (internal clock).

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Published: Jul 23, 2023 |