HT6751A Datasheet, PDF (1/7 Pages) Holtek Semiconductor Inc – Camera Motor Driver (1.5 Channel)

HT6751A/HT6751B
Camera Motor Driver (1.5 Channel)
Features
· 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
· Built-in thermal shutdown circuit
Applications
· Camera motor driver
· Built-in H bridge control circuit
· Built-in spark killer diode
· Provides strong ESD (min. of 4KV) per pin
· 8-pin SOP package
· Toy motor driver
General Description
The IC can control H Bridge circuit for motor driving. It
provides Spark Killer Diode/Thermal Shutdown func-
tion/Forward function/Reverse function/Brake func-
tion/Stop function for motor driver application. It is de-
signed by LSI high technology with low power process.
Block Diagram
VDD
VSS
IN 1
IN 2
IN 3
RC
O s c illa to r
In p u t
C o n tro l
C h a rg e
P um p
T h e rm a l
S h u td o w n
C ir c u it
H B r id g e
M o to r D r iv e
C ir c u it
VM
O U T1
O U T2
Pin Assignment
Pin Description
Pin No.
Pin Name
1
VM
2
OUT1
3
IN3
4
VSS
5
IN1
6
VDD
7
IN2
8
OUT2
VM ₁
O U T1 ₂
IN 3 ₃
VSS ₄
8 ^{O U T2}
7 ^{IN 2}
6 ^VDD
5 ^{IN 1}
H T 6 7 5 1 A /H T 6 7 5 1 B
8 SO P
I/O
Description
P Power of motor driving circuit
O Connect to motor terminal
I Input signal
¾ Negative power supply, ground
I Input signal
¾ Positive power supply
I Input signal
O Connect to motor terminal
Rev. 1.10
1
April 11, 2012