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PWM-controlled, high-current DMOS universal motor driver

Quantity $ per Unit Savings
1 - 9$9.221%
10 - 24$8.338%
25 - 70$7.8414%
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Parameter NameParameter Value
Operating Temp Min Celsius0.0
Operating Temp Max Celsius150.0
Packing TypeTape And Reel
RoHs compliantEcopack2
Package NamePowerSO 36

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.

Key features
  • TTL/CMOS compatible inputs
  • No need for recirculation diodes
  • Thermal shutdow
  • Able to drive both windings of a bipolar stepper motor or two DC motors
  • Wide voltage range: 12V to 40V
  • Output current up to 1.5A each winding
  • Precision PWM control
  • Cross conduction protection
  • Four quadrant current control, ideal for microstepping and DC motor control