TC642BEUA Microchip Technology, TC642BEUA Datasheet - Page 2

• Manufacturer Part Number: TC642BEUA
• Description: IC PWM FAN SPEED CTRLR 8-MSOP
• Manufacturer: Microchip Technology
• Type: Controller - PWM Fanr

Specifications of TC642BEUA

• Applications: Fan Controller, Brushless (BLDC)
• Number Of Outputs: 1
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Motor Type: PWM
• No. Of Outputs: 1
• Output Current: 5mA
• Output Voltage: 4.4V
• Supply Voltage Range: 3V To 5.5V
• Driver Case Style: MSOP
• No. Of Pins: 8
• Operating Temperature Range: -40°C To +85°C
• Product: Fan / Motor Controllers / Drivers
• Operating Supply Voltage: 6 V
• Supply Current: 400 uA
• Mounting Style: SMD/SMT
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Voltage - Load: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

TC642B/TC647B
Functional Block Diagram
DS21756B-page 2
GND
V
V
MIN
C
IN
F
V
SHDN
Generator
Clock
TC642B/TC647B
V
OTF
Note
3xT
Start-up
Missing
Control
Detect
Timer
Timer
Pulse
Logic
PWM
70 mV
10 k
(typ)
V
V
FAULT
SENSE
DD
OUT
Note: The V
is for the TC642B device only.
OTF
comparator
2003 Microchip Technology Inc.