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L6219 Application Note

Part Series:L6219 Series
Category:Motor Drivers
Description:STMICROELECTRONICS L6219 Motor Driver/Controller, Stepper, 4.75V to 5.25V supply, 46V/750mA/4Outputs, DIP-24
Document:L6219 Application Note (23 Pages)

L6219 Motor Drivers Application Note

#1
L6219
3.8
ST Microelectronics
#2
L6219DS
1.7
Allegro MicroSystems

L6219 - ST Microelectronics Specifications

TYPE
DESCRIPTION
Mounting Style
Through Hole
Number of Pins
24 Pin
Supply Voltage (DC)
4.75V (min)
Case/Package
DIP-24
Number of Outputs
4 Output
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L6219 - ST Microelectronics Function Overview

The L6219 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 L6219 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 46V 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 750 mA with peak startup current up to 1 A.
Wide range of current control from 750 mA (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.
Key Features
Low output saturation voltage
Internal PWM current control
Internal thermal shutdown
Able to drive both windings of bipolar stepper motor
Wide voltage range: 10 V to 46 V
Output current up to 750 mA each winding
Built-in protection diodes
Designed for unstabilized motor supply voltage
Half-step, full-step and microstepping mode
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