STMicroelectronics L6258EX PWM Motor Driver Datasheet

L6258EX is a DMOS dual full bridge, suitable for double winding or bidirectional DC motor control applications of bipolar stepper motor, with high efficiency phase shift chopping, which can achieve very low current ripple at the lowest current control level, making this device ideal for stepper motors as well as for DC motors.


STMicroelectronics L6258EX PWM Motor Driver Datasheet - cover page
Brand
STMicroelectronics
Category
Other Electronics
Document type
Datasheet
Language
English
Pages
32
File format
PDF
File size
315 KB
Published
09 August, 2012
Updated
30 September, 2023
Models
L6258, L6258E
MD5 checksum
53ADAD7BD4A72FCA26673D04FA236A09

About this manual

The L6258EX is a dual full bridge motor driver designed for bipolar stepper motor or DC motor control applications. It features a wide voltage range of 12V to 40V and can drive up to 1.5A per winding in continuous mode, with peak start-up currents up to 2A. The device includes built-in recirculation diodes and thermal protection circuitry.

What's inside

  • Block diagram
  • Functional description
  • PWM current control loop
  • Application information
  • Operation mode time diagrams
  • Package information
  • Absolute maximum rating
  • Electrical characteristics

Specifications

Output current (continuous)1.5 A
Output current (peak)2 A
Supply voltage range12 to 40 V
Logic supply voltage4.75 to 5.25 V
Junction temperature150 °C

Frequently asked questions

What motors can the L6258EX drive?

It can drive both windings of a bipolar stepper motor or bidirectionally control two DC motors.

Does the L6258EX require external recirculation diodes?

No, the power stage includes the diodes for current recirculation.

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