TC642DEMO Microchip Technology, TC642DEMO Datasheet - Page 5

DEMO BOARD FOR TC642/46/47/48/49

TC642DEMO

Manufacturer Part Number
TC642DEMO
Description
DEMO BOARD FOR TC642/46/47/48/49
Manufacturer
Microchip Technology
Datasheet

Specifications of TC642DEMO

Processor To Be Evaluated
TC642 and TC646
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
M
1.1
2003 Microchip Technology Inc.
INTRODUCTION
Thank you for purchasing the TC64X/TC64XB Fan Control Demo Board from
Microchip Technology Inc. The TC64X/TC64XB Fan Control Demo Board allows the
user to quickly prototype fan control circuits based on Microchip’s pulse width
modulation (PWM) Fan Control integrated circuits.
These devices will be referred to as TC64X in this document:
• TC642
• TC646
• TC647
• TC648
• TC649
These devices will be referred to as TC64XB in this document:
• TC642B
• TC646B
• TC647B
• TC648B
• TC649B
A versatile sensor input and output driver circuitry allows the Fan Control Module to be
used with virtually any brushless DC fan and standard thermistor. An optional LED
status indicator gives a visual indication of a fan fault (stalled, open or unconnected fan)
or an overtemperature condition.
The TC64X/TC64XB Fan Control Demo Board has the following features:
1. Complete implementation of TC64X or TC64XB fan control circuitry on a
2. Works with standard thermistors
3. Temperature-proportional fan speed control
4. Overtemperature fault detection
5. Fan fault detection
6. Installs directly into user's end equipment
7. Speeds up prototyping, system development and system thermal
1.5" x 2.0" board
characterization
Chapter 1. General Information
TC64X/TC64XB FAN CONTROL
DEMO BOARD USER’S GUIDE
DS21401C-page 1

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