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EMC2300

SMSC Corporation
Part Number EMC2300
Manufacturer SMSC Corporation
Description Fan Control Device
Published May 21, 2007
Detailed Description EMC2300 Fan Control Device with High Frequency PWM and Temperature Monitors PRODUCT FEATURES Datasheet „ 3.3 Volt Ope...
Datasheet PDF File EMC2300 PDF File

EMC2300
EMC2300

Overview
EMC2300 Fan Control Device with High Frequency PWM and Temperature Monitors PRODUCT FEATURES Datasheet „ 3.
3 Volt Operation (5 Volt Tolerant Input Buffers) „ SMBus 2.
0 Compliant Interface (Fixed, not Discoverable) with Three Slave Address Options „ Fan Control — PWM (Pulse width Modulation) Outputs (3) — Fan Tachometer Inputs (4) — Programmable automatic fan control based on temperature — Backwards compatible with fans requiring lower frequency PWM drive — High frequency fan support for 4 wire fans — One fan can be controlled from as many as 3 temperature zones — Fan ramp rate control for acoustic noise reduction „ Power Savings Modes — Two monitoring modes: continuous or cycling (for power savings) — Two low power modes when monitoring if off: Sleep and Shutdown „ Temperature Monitor — Monitoring of Two Remote Thermal Diodes (+/- 3 deg C accuracy) — Internal Ambient Temperature Measurement — Limit Comparison of all Monitored Values — Interrupt Pin fo...


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