EMC2303, EMC2301 - PWM Fan Controller

Name: EMC2303
SKU: EMC2303-1514315

Microchip

The EMC2303 by Microchip is a PWM Fan Controller. Below is the official datasheet preview.

Datasheet Details

Part number	EMC2303, EMC2301
Manufacturer	Microchip
File Size	0.98 MB
Description	PWM Fan Controller
Datasheet	EMC2301-Microchip.pdf
Note	This datasheet PDF includes multiple part numbers: EMC2303, EMC2301. Please refer to the document for exact specifications by model.
Additional preview pages of the EMC2303 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 |