ST L6219R

驱动器 - 全集成，控制和功率级500mA4.75V ~ 5.25V

Overview

The L6219R is a bipolar monolithic integrated circuits intended to control and drive both winding of a bipolar stepper motor or bidirectionally control two DC motors.The L6219R with a few external components form a complete control and drive circuit for LS-TTL or microprocessor controlled stepper motor system.The power stage is a dual full bridge capable of sustaining 10V and including four diodes for current recirculation.

A cross conduction protection is provided to avoid simultaneous cross conduction during switching current direction. An internal pulse-width-modulation (PWM) controls the output current to 500mA with peak start-up current up to 1A. Wide range of current control from 500mA (each bridge) is permitted by means of two logic inputs and an external voltage reference. A phase input to each bridge determines the load current direction. A thermal protection circuitry disables the outputs if the chip temperature exceeds safe operating limits.

Features

Tube Package
Applications : General Purpose
Load voltage across the chip 4.5V~10V
base on L6219 number
Additional Feature: CONTROL FOR TWO DC MOTORS; ALSO REQUIRES A 4.5 VOLTS TO 10 VOLTS SUPPLY

Surface Mount Mounting Type

Applications

There are a lot of STMicroelectronics
L6219R motor drivers applications.

• High power LED street light
• Large outdoor LED display
• Commercial office
• Hospitality buildings
• Smart lighting applications
• Automotive applications
• Dome
• Dash
• Footwell lighting
• Indicator