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Fairchild
Fairchild

KA8301 Datasheet

Bi-Directional DC Motor Driver


KA8301 Datasheet Preview


KA8301
Bi-Directional DC Motor Driver
www.fairchildsemi.com
Features
• Built-in brake function.
• Built-in element to absorb a surge current derived from
changing motor direction and braking motor drive.
• External motor speed control pin
• Motor direction change circuit.
• Interfaces with CMOS devices.
Description
The KA8301 is a monolithic integrated circuit designed for
driving bi-directional DC motor with braking and speed con-
trol, and it is suitable for the loading motor driver of VCR
systems. The speed control can be achieved by adjusting the
external voltage of the speed control pin.
10-SIPH-B
Typical Application
• Video cassette recorder (VCR) loading motor
• Low current DC motor such audio or video equipment
• General DC motor
Ordering Information
Device Package
KA8301-L 10-SIPH-B
Operating Temp.
25°C ~ +75°C
©2000 Fairchild Semiconductor International
1
Rev. 1.0.1
February. 2000.
Page 1

KA8301
Pin Assignments
KA8301
GND VOUT1 VZ1 VR FIN RIN VCC1 VCC2 VZ2 VOUT2
1 2 3 4 5 6 7 8 9 10
Pin Definitions
Pin Number
1
2
3
4
5
6
7
8
9
10
Pin Name
GND
VOUT1
VZ1
VR
FIN
RIN
VCC1
VCC2
VZ2
VOUT2
I/O Pin Function Description
- Ground
O Output 1
- Phase compensation
I Motor speed control
I Input 1
I Input 2
- Supply voltage (Signal)
I Supply voltage (Power)
I Phase compensation
O Output 2
2
Page 2

Internal Block Diagram
KA8301
DRIVER
PRE-DRIVER
LOGIC
1 2 3 4 5 6 7 8 9 10
GND
VOUT1 VZ1
VR
FIN
RIN VCC1 VCC2 VZ2 VOUT2
3
Page 3
Part Number KA8301
Manufactur Fairchild
Description Bi-Directional DC Motor Driver
Total Page 13 Pages
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