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L6219 - DUAL FULL-BRIDGE PWM MOTOR DRIVER

General Description

The L6219 motor driver is designed to drive both windings of a bipolar stepper motor or bidirectionally control two dc motors.

Key Features

  • Interchangeable with SGS L6219.
  • 750mA Continuous Output Current.
  • 45V Output Sustaining Voltage.
  • Internal Clamp Diodes.
  • Internal PWM Current Control.
  • low Output Saturation Voltage.
  • Internal Thermal Shutdown Circuitry.

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UNISONIC TECHNOLOGIES CO., LTD L6219 LINEAR INTEGRATED CIRCUIT DUAL FULL-BRIDGE PWM MOTOR DRIVER  DESCRIPTION The L6219 motor driver is designed to drive both windings of a bipolar stepper motor or bidirectionally control two dc motors. Both bridges are capable of sustaining 45V and include internal pulse-width modulation (PWM) control of the output current to 750mA .The outputs have been optimized for a low output saturation voltage drop (less than 1.8V total source plus sink at 500mA ). For PWM current control, the maximum output current is determined by the user’s selection of a reference voltage and sensing resistor. Two logic-level inputs select output current limits of 0, 33, 67,or 100% of the maximum level. A phase input to each bridge determines load current direction.