EMC6D102 Datasheet, PDF (1/86 Pages) SMSC Corporation – Fan control Device with Hardware Monitoring and Acoustic Noise Reduction Features

EMC6D102
Fan Control Device with
Hardware Monitoring and
Acoustic Noise Reduction
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)
— Individual status and enable bits per tach input
— Programmable automatic fan control based on
temperature
— 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
— Individual status and enable bits per thermal input
— Interrupt Pin for out-of-limit Temperature Indication
— Configurable offset for internal or external temperature
channels.
— Supports 4 programmable temperature averaging
modes
— 2 monitoring modes: Continuous or Cycle (Power
Saving mode)
— Offers 2 Low Power Modes when monitoring is off:
Sleep and Shutdown
Datasheet
■ Voltage Monitor
— Monitor Power supplies (+2.5V, +5V, +12V, Vccp, and
VCC)
— Individual status and enable bits per voltage input
— Limit Comparison of all Monitored Values
— Interrupt Pin for out-of-limit Voltage Indication
— Supports 4 programmable voltage averaging modes
— 2 monitoring modes: Continuous or Cycle (Power
Saving mode)
— Offers 2 Low Power Modes when monitoring is off:
Sleep and Shutdown
■ 5 VID (Voltage Identification) inputs
■ XOR Tree test mode
■ Mechanical Package (24-pin SSOP); green, lead-free
package also available
SMSC EMC6D102
DATASHEET
Revision 0.4 (04-05-05)