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E-L6219DSA View Datasheet(PDF) - STMicroelectronics

Part NameDescriptionManufacturer
E-L6219DSA Stepper motor driver for automotive range ST-Microelectronics
STMicroelectronics ST-Microelectronics
E-L6219DSA Datasheet PDF : 15 Pages
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Stepper motor driver for automotive range
Able to drive both windings of bipolar stepper
Output current up to 750 mA each winding
Wide voltage range: 10 V to 46 V
Half-step, full-step and microstepping mode
Built-in protection diodes
Internal PWM current control
Low output saturation voltage
Designed for unstabilized motor supply voltage
Internal thermal shutdown
The L6219DSA 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 L6219DSA 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 46 V and including four
diodes for current recirculation.
SO24 (20+2+2)
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.
Table 1. Device summary
Order code
Tape & reel
April 2008
Rev 2
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