TC646BEPA Microchip Technology, TC646BEPA Datasheet - Page 6
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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
FIGURE 1-4:
DS21755B-page 6
.01 µF
C
7
+
-
+
-
V
V
AS
R
IN
R
K
2
1
1
1 µF
C
TC646B/TC648B/TC649B Electrical Characteristics Test Circuit.
6
K
0.1 µF
0.1 µF
C
C
2
4
3
Note: C
0.1 µF
2
3
1
C
5
V
V
C
AS
IN
F
5
and C
7
are adjusted to get the necessary 1 µF value.
TC646B
TC648B
TC649B
GND
V
DD
4
8
FAULT / OTF
C
1 µF
SENSE
2
V
OUT
C
0.1 µF
1
7
6
5
R
3
+
-
K
K
3
4
V
TC646B and TC649B
DD
R
4
+
-
2003 Microchip Technology Inc.
R
Current
limited
voltage
source
6
(pulse voltage source)
V
SENSE
+
-
R
5
Current
limited
voltage
source
0.1 µF
C
8
V
DD