EMC6W201DB Datasheet, PDF (1/5 Pages) SMSC Corporation – Auto Fan Device with Piecewise Linear Control, Temperature Monitoring & Voltage Monitoring for Multi-Processor Systems

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
— SMBus address change pin
— SMBus address enable pin
„ Auto-Fan Control with ProcHot Features
— PWM (Pulse width Modulation) Outputs (3)
— Low Frequency and High Frequency PWM Options
(15kHz up to 30kHz)
— Fan Tachometer or Lock Rotor Inputs (4)
— Programmable automatic fan control based on
temperature
— Acoustic enhancement mode
— ProcHot pins modulate Tmin
— Fan RPM is a function of up to three temperatures and
ProcHot signals
— Piecewise linear fan control algorithm option
„ Temperature Monitor
— Monitoring of up to Five 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 (+1.5V, +2.5V, +5V, VCC and
two 1.5V VCCP)
— Limit Comparison of all Monitored Values
— Interrupt Pin for out-of-limit Voltage Indication
„ ProcHot Input/Bi-directional Pins (2)
— Selectable pins dedicated as input or input/output
— Seperate ProcHot Output pin (FORCED_PR#)
„ Power Good Output
„ SMBus Alert Interrupt Output
„ Register Characteristics
— Individual enables/disables for each input
— 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)