L6258EX - PWM controlled high current DMOS universal motor driver

Description

L6258EX is a dual full bridge for motor control applications realized in BCD technology, with the capability of driving both windings of a bipolar stepper motor or bidirectionally control two DC motors.

L6258EX and a few external components form a complete control and drive circuit.

Features

Able to drive both windings of a bipolar stepper motor or two DC motors Output current up to 1.5A each winding Wide voltage range: 12V to 40V Four quadrant current control, ideal for microstepping and DC motor control Precision PWM control No need for recirculation diodes TTL/CMOS compatible inputs Cross conduction protection Thermal shutdow The power stage is a dual DMOS full bridge capable of sustaining up to 40V, and includes the diodes f.

STMicroelectronics

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Datasheet Details

Part number	L6258EX
Manufacturer	STMicroelectronics
File Size	356.11 KB
Description	PWM controlled high current DMOS universal motor driver
Datasheet	L6258EX Datasheet
Additional preview pages of the L6258EX datasheet.

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Full PDF Text Transcription

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L6258EX www.datasheet4u.com PWM controlled high current DMOS universal motor driver Features ■ ■ ■ ■ ■ ■ ■ ■ ■ Able to drive both windings of a bipolar stepper motor or two DC motors Output current up to 1.5A each winding Wide voltage range: 12V to 40V Four quadrant current control, ideal for microstepping and DC motor control Precision PWM control No need for recirculation diodes TTL/CMOS compatible inputs Cross conduction protection Thermal shutdow The power stage is a dual DMOS full bridge capable of sustaining up to 40V, and includes the diodes for current recirculation.The output current capability is 1.5A per winding in continuous mode, with peak start-up current up to 2A. A thermal protection circuitry disables the outputs if the chip temperature exceeds the safe limits.

Published: May 4, 2009 |