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TC670

Part Number	TC670
Manufacturer	Microchip
Description	Tiny Predictive Fan Failure Detector
Published	Oct 15, 2013
Detailed Description	TC670 Tiny Predictive Fan Failure Detector Features • Fan Wear-out Detection for 2-Wire Linear Controlled Fans • Replace...
Datasheet	TC670 PDF File

Overview

TC670 Tiny Predictive Fan Failure Detector Features • Fan Wear-out Detection for 2-Wire Linear Controlled Fans • Replacement System for 3-Wire Fans • Fan Alert Signal when Fan Speed is below Programmed Threshold • CLEAR Capability for Eliminating False Alarm • Low Operating Current, 90µA (typ.
) • VDD Range 3.
0V to 5.
5V • Available in a 6-Pin SOT-23 Package General Description The TC670 is an integrated fan speed sensor that predicts and/or detects fan failure, preventing thermal damage to systems with cooling fans.
When the fan speed falls below a user specified level, the TC670 asserts an ALERT signal.
With this design, a critical minimum fan speed is determined by the user.
The fan alert ...

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