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