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EMC6W201 Datasheet, PDF (1/5 Pages) SMSC Corporation – Auto Fan Device with Piecewise Linear Control, Temperature Monitoring & Voltage Monitoring for Multi-Processor Systems | |||
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EMC6W201
Auto Fan Device with
Piecewise Linear Control,
Temperature Monitoring &
Voltage Monitoring for
Multi-Processor Systems
PRODUCT FEATURES
Data Brief
 3.3 Volt Operation (5 Volt Tolerant Input Buffers)
 SMBus 2.0 Compliant Interface (Fixed, Not
Discoverable) With Three Slave Address Options
â SMBus address change pin
â SMBus address enable pin
 Auto-Fan Control with ProcHot Features
â PWM (Pulse width Modulation) Outputs (3)
â Low Frequency and High Frequency PWM Options
(15kHz up to 30kHz)
â Fan Tachometer or Lock Rotor Inputs (4)
â Programmable automatic fan control based on
temperature
â Acoustic enhancement mode
â ProcHot pins modulate Tmin
â Fan RPM is a function of up to three temperatures and
ProcHot signals
â Piecewise linear fan control algorithm option
 Temperature Monitor
â Monitoring of up to Five Remote Thermal Diodes (+/- 3
deg C accuracy)
â Internal Ambient Temperature Measurement
â Limit Comparison of all Monitored Values
â Interrupt Pin for out-of-limit Temperature Indication
â Configurable offset for internal or external temperature
channels.
 Voltage Monitor
â Monitor Power supplies (+1.5V, +2.5V, +5V, VCC and
two 1.5V VCCP)
â Limit Comparison of all Monitored Values
â Interrupt Pin for out-of-limit Voltage Indication
 ProcHot Input/Bi-directional Pins (2)
â Selectable pins dedicated as input or input/output
â Seperate ProcHot Output pin (FORCED_PR#)
 Power Good Output
 SMBus Alert Interrupt Output
 Register Characteristics
â Individual enables/disables for each input
â Two ISRs for each alert
 XOR Tree Test Mode
 Mechanical Package: 36-pin QFN, lead-free RoHS
Compliant
ORDER NUMBER:
EMC6W201-AEZG FOR 36-PIN QFN LEAD-FREE ROHS COMPLIANT PACKAGE
SMSC EMC6W201
PRODUCT PREVIEW
Revision 0.3 (03-01-07)
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