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L6472 - Fully integrated microstepping motor driver

Description

The L6472 device, realized in analog mixed signal technology, is an advanced fully integrated solution suitable for driving two-phase bipolar stepper motors with microstepping.

Features

  • Operating voltage: 8 - 45 V.
  • 7.0 A output peak current (3.0 A r. m. s. ).
  • Low RDS(on) power MOSFETs.
  • Programmable speed profile.
  • Programmable power MOSFET slew rate.
  • Up to 1/16 microstepping.
  • Predictive current control with adaptive decay.
  • Non dissipative current sensing.
  • SPI interface.
  • Low quiescent and standby currents.
  • Programmable non dissipative overcurrent protection on all power MOSFETs.
  • Two levels of overtemperature protection De.

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Full PDF Text Transcription

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L6472 Fully integrated microstepping motor driver Datasheet - production data Applications  Bipolar stepper motor HTSSOP28 POWERSO36 Features  Operating voltage: 8 - 45 V  7.0 A output peak current (3.0 A r.m.s.)  Low RDS(on) power MOSFETs  Programmable speed profile  Programmable power MOSFET slew rate  Up to 1/16 microstepping  Predictive current control with adaptive decay  Non dissipative current sensing  SPI interface  Low quiescent and standby currents  Programmable non dissipative overcurrent protection on all power MOSFETs  Two levels of overtemperature protection Description The L6472 device, realized in analog mixed signal technology, is an advanced fully integrated solution suitable for driving two-phase bipolar stepper motors with microstepping.
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