VCR PRODUCTS
2-PHASE DRUM MOTOR DRIVER
The KA8328D is a monolithic integrated circuit, and it is
suitable for drum motor driver of VCR system.
20-SOP-300
KA8328D
FEATURES
• 2-phase, full-wave, linear BLDC motor driver with 2 hall sensors
• Built-in voltage or current control circuit.
• Built-in regulated power supply for hall devices.
• Built-in thermal shutdown (TSD) circuit.
ORDERING INFORMATION
• Built-in hall amp.
Device Package Operating Temperature
• High output current
KA8328D 20-SOP-300
−25°C ~ +75°C
TARGET APPLICATIONS
• VCR drum motors
BLOCK DIAGRAM
GND2
GND1
VCC1
NC
NC
OUTPUT2- OUTPUT2+ (Power) (Power) OUTPUT1- OUTPUT1+ (Power)
NC
20
19
18
17
16
15
14
13
12
11
GM1
OUT1
AMP1
IN1
OUT2
AMP2
IN2
V-I CTL
GM1
TSD
Each
Block
VREG
1
2
VCC2
ICTL
(Signal)
3
4
5
6
VCTL
VCC
GND
NC
(Signal) (Signal)
7
VHALL1
8
VCOM
9
VHALL2
10
VREG
© 1999 Fairchild Semiconductor Corporation
MIC-99D001
January 1999
Rev. B
1