L6258EX datasheet(1/32 Pages) STMICROELECTRONICS

部件名	L6258EX

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 6

1/32

1

L6258EX

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

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. 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 1.5A 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.

PowerSO36

Table 1.

Device summary

Order code

Package

Packing

E-L6258EX

PowerSO36

Tube

E-L6258EXTR

PowerSO36

Tape&Reel

www.st.com

类似零件编号 - L6258EX

制造商	部件名	数据表	功能描述
STMicroelectronics	L6258EX	216Kb / 24P	PWM CONTROLLED - HIGH CURRENT DMOS UNIVERSAL MOTOR DRIVER Sep-2004
	L6258EX	307Kb / 32P	PWM controlled high current DMOS universal motor driver 03-Dec-2007
	L6258EX	307Kb / 32P	PWM controlled high current DMOS universal motor driver 03-Dec-2007

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类似说明 - L6258EX

制造商	部件名	数据表	功能描述
STMicroelectronics	L6258	215Kb / 18P	PWM CONTROLLED - HIGH CURRENT DMOS UNIVERSAL MOTOR DRIVER Apr-2000
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