EMC6D103 Fan Control Device with High Frequency PWM Support and Hardware Monitoring Features Datasheet PRODUCT FEATURES 3.3 Volt Operation (5 Volt Tolerant Input Buffers) Temperature Monitor Monitoring of Two Remote Thermal Diodes (+/- 3 deg SMBus 2.0 Compliant Interface (Fixed, not C accuracy) Discoverable) with Three Slave Address Options Internal Ambient Temperature Measurement Fan Control Limit Comparison of all Monitored Values PWM (Pulse width Modulation) Outputs (3) Interrupt Pin for out-of-limit Temperature Indication Fan Tachometer Inputs (4) Configurable offset for internal or external temperature Programmable automatic fan control based on channels. temperature Voltage Monitor Backwards compatible with fans requiring lower Monitor Power supplies (+2.5V, +5V, +12V, Vccp, and frequency PWM drive VCC) High frequency fan support for 4 wire fans Limit Comparison of all Monitored Values One fan can be controlled from as many as 3 Interrupt Pin for out-of-limit Voltage Indication temperature zones 5 VID (Voltage Identification) Inputs Fan ramp rate control for acoustic noise reduction XOR Tree Test Mode Power Savings Modes Two monitoring modes: continuous or cycling (for power 24-Pin, SSOP Lead-Free RoHS Compliant Packages savings) Two low power modes when monitoring if off: Sleep and Shutdown ORDER NUMBERS: EMC6D103-CZC FOR 24 PIN, SSOP LEAD-FREE ROHS COMPLIANT PACKAGE EMC6D103-CZC-TR FOR 24 PIN, SSOP LEAD-FREE ROHS COMPLIANT PACKAGE (TAPE AND REEL) EVALUATION BOARD IS AVAILABLE SMSC EMC6D103 DATASHEET Revision 0.3 (03-01-07) Fan Control Device with High Frequency PWM Support and Hardware Monitoring Features Datasheet 80 ARKAY DRIVE, HAUPPAUGE, NY 11788 (631) 435-6000, FAX (631) 273-3123 Copyright 2007 SMSC or its subsidiaries. All rights reserved. Circuit diagrams and other information relating to SMSC products are included as a means of illustrating typical applications. Consequently, complete information sufficient for construction purposes is not necessarily given. Although the information has been checked and is believed to be accurate, no responsibility is assumed for inaccuracies. SMSC reserves the right to make changes to specifications and product descriptions at any time without notice. Contact your local SMSC sales office to obtain the latest specifications before placing your product order. The provision of this information does not convey to the purchaser of the described semiconductor devices any licenses under any patent rights or other intellectual property rights of SMSC or others. All sales are expressly conditional on your agreement to the terms and conditions of the most recently dated version of SMSC s standard Terms of Sale Agreement dated before the date of your order (theTerms of Sale Agreemen). The product may contain design defects or errors known as anomalies which may cause the product s functions to deviate from published specifications. Anomaly sheets are available upon request. SMSC products are not designed, intended, authorized or warranted for use in any life support or other application where product failure could cause or contribute to personal injury or severe property damage. Any and all such uses without prior written approval of an Officer of SMSC and further testing and/or modification will be fully at the risk of the customer. Copies of this document or other SMSC literature, as well as the Terms of Sale Agreement, may be obtained by visiting SMSCs website at