Holtek Semiconductor Inc HT6751A, HT6751B Datasheet
Camera Motor Driver (1.5 Channel)
Features
Operating voltage: 2.0V~6.0V
·
Operating current < 2mA at 3.0V, No load
·
Standby current I
·
Separate logic power supply and motor
·
power supply
Applications
Camera 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
Block Diagram
<2mA, no load
VDD
HT6751A/B
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
·
Toy motor driver
·
verse function/Brake function/Stop function for
motor driver application. It is designed by LSI
high technology with low power process.
-
VDD
VSS
IN 1
IN 2
IN 3
RC
O scillator
Input
C ontrol
Pin Assignment
VM
OUT1
IN 3
VSS
1
2
3
4
H T6751A /B
8 S O P
8
7
6
5
OUT2
IN 2
VDD
IN 1
C harge
Pum p
Therm al
Shutdow n
Circuit
H B ridge
Motor Drive
Circuit
VM
OUT1
OUT2
1 August 7, 2000
Pin Description
Pin No. Pin Name I/O Description
1 VM P Power of motor driving circuit
2 OUT1 O Connect to motor terminal
3 IN3 I Input signal
4 VSS
Negative power supply, ground
¾
5 IN1 I Input signal
6 VDD
Positive power supply
¾
7 IN2 I Input signal
8 OUT2 O Connect to motor terminal
Absolute Maximum Ratings
HT6751A/B
Supply Voltage.......................VDD-0.3V to 7.0V
Voltage to Input Terminal .....-0.3V to V
DD
+0.3
Storage Temperature.................-40°Cto125°C
Operating Temperature ..............-20°Cto85°C
Junction Temperature ..............................150°C
Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maxi
mum Ratings² may cause substantial damage to the device. Functional operation of this de
vice at other conditions beyond those listed in the specification is not implied and prolonged
exposure to extreme conditions may affect device reliability.
Electrical Characteristics
Ta=25°C
Test Conditions
Symbol Parameter
V
DD
Operating Voltage 1
VM Operating Voltage 2
I
VM
I
OPR
I
VDD
I
IL
V
V
R
IL
IH
ON
VMCurrent
Operating Current 5V
Standby Current 5V Standby mode
Input Leakage Current 5V
Input Low Voltage 5V
Input High Voltage 5V
H Bridge On Resistance 3V
V
DD
Conditions
¾¾
Motor loading 1.8
¾
Standby mode with
5V
internal pump
No load @ V
0<Vin<V
DD
DD
=5V
¾-0.3
¾
(up_NMOS+down_
NMOS) at 3V
Min. Typ. Max. Unit
2.0
¾
¾
¾¾
¾¾
¾
-1.0 ¾
0.6V
DD
¾
¾¾
6.0 V
6.0 V
10
2mA
12
1.0
0.3V
DD
+0.3
V
DD
0.4
mA
mA
mA
V
V
W
-
-
2 August 7, 2000
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