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Updated at 25/10/2025 10:30:15(UTC+8)

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Description

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.
**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 4.5V to 10V
Output current up to 500mA each winding
Built-in protection diodes
Designed for unstabilized motor supply voltage
HAlf-step, full-step and microstepp-ing mode

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L6219R Specifications

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- Vacuum packaging
- Anti-static packaging
- Shockproof foam
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SN:H1.85488LO45180V36Q0QC0S1

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