EMC6D103_07 Datasheet, PDF (1/92 Pages) SMSC Corporation – Fan Control Device with High Frequency PWM Support and Hardware Monitoring Features

EMC6D103
Fan Control Device with
High Frequency PWM
Support and Hardware
Monitoring Features
PRODUCT FEATURES
„ 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
Datasheet
„ 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
— Configurable offset for internal or external temperature
channels.
„ Voltage Monitor
— Monitor Power supplies (+2.5V, +5V, +12V, Vccp, and
VCC)
— 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 Lead-Free RoHS Compliant Packages
ORDER NUMBERS:
EMC6D103-CZC FOR 24 PIN, SSOP LEAD-FREE ROHS COMPLIANT PACKAGE
EMC6D103-CZC-TR FOR 24 PIN, SSOP LEAD-FREE ROHS COMPLIANT PACKAGE (TAPE AND REEL)
EVALUATION BOARD IS AVAILABLE
SMSC EMC6D103
DATASHEET
Revision 0.3 (03-01-07)