HT6751A

Camera Motor Driver (1.5 Channel) Features · · · · HT6751A/B Operating voltage: 2.0V~6.0V Operating current < 2mA at 3.0V, No load Standby current IVDD< 2mA, no load Separate logic power supply and motor power supply · · · · · 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 · Camera motor driver · Toy motor driver General Description The IC can control H Bridge circuit for motor driving. It provides Spark Killer Diode/Thermal Shutdown function/Forward function/Reverse 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 H B r id g e M o to r D r iv e C ir c u it 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 HT6751A/B Pin Description Pin No. 1 2 3 4 5 6 7 8 Pin Name VM OUT1 IN3 VSS IN1 VDD IN2 OUT2 I/O P O I ¾ I ¾ I O Description Power of motor driving circuit Connect to motor terminal Input signal Negative power supply, ground Input signal Positive power supply Input signal Connect to motor terminal Absolute Maximum Ratings Supply Voltage .......................VDD-0.3V to 7.0V Voltage to Input Terminal .....-0.3V to VDD+0.3 Junction ...