Camera Motor Driver (1.5 Channel)
Features
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HT6751A/B
Operating voltage: 2.0V~6.0V
Operating current < 2mA at 3.0V, No load
Standby current I
VDD
< 2mA, no load
Separate logic power supply and motor
power supply
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·
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Built-in thermal shutdown circuit
Built-in H bridge control circuit
Built-in spark killer diode
Provides strong ESD (min. of 4KV)
per pin
8-pin SOP package
Applications
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Camera motor driver
·
Toy motor driver
General Description
The IC can control H Bridge circuit for motor
driving. It provides Spark Killer Diode/Ther-
mal Shutdown function/Forward function/Re-
verse function/Brake function/Stop function for
motor driver application. It is designed by LSI
high technology with low power process.
Block Diagram
V D D
V S S
IN 1
IN 2
IN 3
T h e rm a l
S h u td o w n
C ir c u it
R C
O s c illa to r
C h a rg e
P u m p
B r id g e
M o to r D r iv e
C ir c u it
H
V M
O U T 1
O U T 2
In p u t
C o n tro l
Pin Assignment
V M
1
8
2
7
3
6
4
5
O U T 1
IN 3
V S S
O U T 2
IN 2
V D D
IN 1
H T 6 7 5 1 A /B
8 S O P
1
August 7, 2000
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
