L6258EP datasheet(1/32 Pages) STMICROELECTRONICS

部件名	L6258EP

功能描述	PWM controlled high current DMOS universal motor driver

PDF	32 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

1 / 32 page

December 2007

Rev 4

1/32

1

L6258EP

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 1.3A 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

Description

L6258EP 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.

L6258EP and a few external components form a

complete control and drive circuit. It has high

efficiency phase shift chopping that allows a very

low current ripple at the lowest current control

levels, and makes this device ideal for steppers as

well as for DC motors.

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 1.3A 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.

PowerSSO36

Table 1.

Device summary

Order code

Package

Packing

E-L6258EP

PowerSSO36

Tube

www.st.com

类似零件编号 - L6258EP

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STMicroelectronics	L6258EP	280Kb / 22P	PWM CONTROLLED - HIGH CURRENT DMOS UNIVERSAL MOTOR DRIVER Jul-2005

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