EMC6D103S

EMC6D103S Fan Control Device with High Frequency PWM Support and Hardware Monitoring Features 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 Temperature Monitor — Monitoring of Two Remote Thermal Diodes (+/- 3 deg C accuracy) — Internal Ambient Temperature Measurement — Limit Comparison of all Monitored Values — Interrupt Pin for out-of-limit Temperature Indication „ Voltage Monitor — Monitors VCC and VCCP — Limit Comparison of all Monitored Values — Interrupt Pin for out-of-limit Voltage Indication „ „ „ 5 VID (Voltage Identification) Inputs XOR Tree Test Mode 24-Pin SSOP Green, Lead-free Package „ Power Savings Modes — Two monitoring modes: continuous or cycling (for power savings) — Two low power modes when monitoring if off: Sleep and Shutdown ORDER NUMBER(S): EMC6D103S-CZC FOR 24 PIN, SSOP PACKAGE (LEAD-FREE) EMC6D103S-CZC-TR FOR 24 PIN, SSOP PACKAGE (LEAD-FREE, TAPE AND REEL) EVALUATION BOARD IS AVAILABLE SMSC EMC6D103S DATASHEET Revision 0.2 (06-14-06) Fan Contro...