TC646BEPA Microchip Technology, TC646BEPA Datasheet - Page 2
![no-image](/images/manufacturer_photos/0/4/439/microchip_technology_sml.jpg)
TC646BEPA
Manufacturer Part Number
TC646BEPA
Description
IC PWM FAN SPEED CTRLR SD 8-DIP
Manufacturer
Microchip Technology
Type
Controller - PWM Fanr
Datasheet
1.TC648BEOA.pdf
(36 pages)
Specifications of TC646BEPA
Applications
Fan Controller, Brushless (BLDC)
Number Of Outputs
1
Voltage - Supply
3 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Motor Type
PWM
No. Of Outputs
1
Output Current
5mA
Output Voltage
4.4V
Supply Voltage Range
3V To 5.5V
Driver Case Style
DIP
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
Through Hole
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TC646BEPA
Manufacturer:
MICROCHIP
Quantity:
12 000
TC646B/TC648B/TC649B
Functional Block Diagram
DS21755B-page 2
GND
GND
V
V
V
V
C
C
AS
AS
IN
IN
F
F
V
V
SHDN
SHDN
Generator
Generator
Clock
Clock
TC646B/TC649B
V
OTF
TC648B
V
OTF
Note
3xT
Start-up
Missing
Start-up
Control
Control
Detect
Timer
Timer
Pulse
Logic
Timer
Logic
PWM
10 k
70 mV
(typ)
V
V
FAULT
SENSE
V
V
OTF
NC
DD
OUT
DD
OUT
Note: The V
is for the TC646B device only.
OTF
comparator
2003 Microchip Technology Inc.