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A4970GLBTR-T
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A4970GLBTR-T

  • Category:Electric motor driver
  • Product Name:Dual full-bridge PWM motor driver
  • Manufacturers:Allegro
  • Production Batch Number:15+
  • Encapsulation:24-lead SOIC
  • Stock Status:There is stock
  • Stock Quantity:9030
  • Minimum order quantity: 1
  • Details:Click here to find pdf of the A4970GLBTR-T
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  • Product introduction

A4970Electric motor driverIt can drive two windings of a bipolar stepper motor, or control two DC motors in both directions. Both bridges maintain 45 volts and include internal pulse-width modulation (PWM) control of 750 mA output current.

For PWM current control, the maximum output current depends on the user-selected reference voltage and sense resistor. The two logic-level inputs can limit the selectable output current to 0%, 33%, 67%, or 100% of the maximum level. The "phase" input of each bridge determines the direction of the load current.

Intrinsic diodes in the MOSFET output structure protect against inductor transients. An internally generated delay avoids cross-currents when switching current directions. No special power-on sequencing is required. Thermal protection circuitry disables the output if the die temperature exceeds safe operating limits.

The device package is a 24-pin surface-mount wide-body SOIC with two pairs of bat-like pins (LB). The interwoven structure of the pins allows the device to achieve maximum heat dissipation in the smallest space. The package is lead (Pb) free and features 100% matte tin leadframe plating.

  • 750 mA continuous output current
  • 45 volt output holding voltage
  • Internal clamping diode
  • Internal PWM current control
  • Low output saturation voltage
  • Internal thermal shutdown circuitry
  • UDx2916 compatible pins
  • DMOS output

andA4970GLBTR-TRelated ICs are:


Model Manufacturers lot number encapsulation illustrate
A4970GLBTR-T Allegro 15+ 24-lead SOIC Dual full-bridge PWM motor driver

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