TC654 Microchip Technology, TC654 Datasheet - Page 2

• Manufacturer Part Number: TC654
• Description: (TC654 / TC655) PWM Fan Speed Controllers With Fan Fault Detection
• Manufacturer: Microchip Technology

TC654/TC655
Functional Block Diagram
DS21734A-page 2
SCLK
GND
SDA
V
C
IN
F
Note: OTF condition applies for the TC655 device only.
V
MIN
–
+
+
–
Generator
Serial Port
Interface
Clock
V
OTF
TC654/TC655
–
+
Note
100 mV (typ.)
100 mV (typ.)
Start-up
Missing
Control
Detect
Logic
Timer
Pulse
–
–
OTF
50 k
50 k
V
FAULT
SENSE1
SENSE2
V
DD
OUT
2002 Microchip Technology Inc.