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MFG:ST  Package Cooled:SSOP  

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Part Number: L6258

 

MFG: ST

Package Cooled: SSOP

 

Description: L6258 is a dual full bridge for motor control appli-cations realized in BCD technology, with the ca- pability of dr...


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L6258 General Description


L6258 is a dual full bridge for motor control appli-
cations realized in BCD technology, with the ca- pability of driving both windings of a bipolar step- per motor or bidirectionally control two DC motors.

L6258 and a few external components form a complete control and drive circuit. It has high effi- ciency 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 capa- ble of sustaining up to 45V, and includes the di- odes 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.

L6258 Maximum Ratings

Symbol Parameter Value Unit
Vs Supply Voltage 50 V
VCC Logic Supply Voltage 7 V
Vref1/Vref2 Reference Voltage 2.5 V
IO Output Current (peak) 2 A
IO Output Current (continuous) 1.5 A
Vin Logic Input Voltage Range -0.3 to 7 V
Vboot Bootstrap Supply 60 V
Vboot - Vs Maximum Vgate applicable 15 V
Tj Junction Temperature 150 °C
Tstg Storage Temperature Range -55 to 150 °C

L6258 Connection Diagram

L6258 Connection Diagram

L6258 datasheet

L6258
PDF/DataSheet Download

  • Datasheet: L6258
  • File Size: 220672 KB
  • Manufacturer: STMICROELECTRONICS [STMicroelectronics]
  • Click here to Download

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