TC642COA Microchip Technology, TC642COA Datasheet - Page 2

• Manufacturer Part Number: TC642COA
• Description: IC PWM FAN SPEED CONTRLR 8-SOIC
• Manufacturer: Microchip Technology
• Type: Controller - PWM Fanr

Specifications of TC642COA

• Package / Case: 8-SOIC (3.9mm Width)
• Operating Temperature: 0°C ~ 70°C
• Applications: Fan Controller, Brushless (BLDC)
• Number Of Outputs: 1
• Voltage - Supply: 3 V ~ 5.5 V
• Mounting Type: Surface Mount
• Product: Fan / Motor Controllers / Drivers
• Operating Supply Voltage: 6 V
• Supply Current: 1 mA
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Voltage - Load: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

TC642
Functional Block Diagram
DS21444C-page 2
GND
V
MIN
V
C
IN
F
V
SHDN
TC642
+
+
–
–
Generator
Clock
+
–
V
OTF
70mV (typ.)
+
–
SHDN
–
+
3 x T PWM
Start-up
Missing
Control
Detect
Pulse
Timer
Timer
Logic
OTF
10k
2002 Microchip Technology Inc.
SENSE
FAULT
V
V
DD
OUT