Download SI-7321M Datasheet PDF
SI-7321M page 2
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SI-7321M page 3
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SI-7321M Description

4 Protection Functions 6 PWM Current Control 8 Electrical Specifications.

SI-7321M Key Features

  • Power supply voltage, VBB , 46 V maximum, 10 to 44 V normal operating range
  • Logic supply voltage, VDD , 3.3 to 5.5 V
  • Maximum output current: 1.5 A
  • Four NMOS output MOSFETs, RDS(on) = 0.25 Ω typical
  • Built-in sequencer
  • Simplified clock-in stepping control
  • Full- and half-stepping and 1/4 , 1/8 , and 1/16 microstepping
  • Surface mount type 44-pin molded package for automatic
  • Self-excitation PWM current control with fixed off-time
  • Microstepping off-time adjusted automatically by step