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EMC6D102-CZC

Fan Control Device with Hardware Monitoring and Acoustic Noise Reduction Features

SMSC -> Microchip 

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)

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