TC654(2002) データシートの表示（PDF） - Microchip Technology

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TC654
(Rev.:2002)

Dual SMBus™ PWM Fan Speed Controllers With Fan Fault Detection

Microchip Technology 

TC654/TC655

Functional Block Diagram

TC654/TC655

–

VIN

–

VOTF

+

+

+

–

CF

VMIN

Clock

Generator

SCLK

SDA

GND

Serial Port

Interface

Note

OTF

Control

Logic

VDD

VOUT

Start-up

Timer

Missing

Pulse

Detect

FAULT

50 kΩ

+

–

100 mV (typ.)

50 kΩ

+

–

100 mV (typ.)

SENSE1

SENSE2

Note: OTF condition applies for the TC655 device only.

DS21734A-page 2

 2002 Microchip Technology Inc.

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