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3967 - MICROSTEPPING DRIVER WITH TRANSLATOR

General Description

Device Operation.

The A3967 is a complete microstepping motor driver with built in translator for easy operation with minimal control lines.

It is designed to operate bipolar stepper motors in full-, half-, quarterand eighth-step modes.

Key Features

  • ±750 mA, 30 V Output Rating.
  • Satlington® Sink Drivers.
  • Automatic Current-Decay Mode Detection/Selection.
  • 3.0 V to 5.5 V Logic Supply Voltage Range.
  • Mixed, Fast, and Slow Current-Decay Modes.
  • Internal UVLO and Thermal Shutdown Circuitry.
  • Crossover-Current Protection Part Number Pb-free.
  • Package Packing A3967SLB-T Yes 24-Lead SOIC 31 per tube A3967SLBTR-T Yes 24-Lead SOIC 1000 per reel.
  • Pb-based variants are being phased out of the product line. Th.

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Datasheet Details

Part number 3967
Manufacturer Allegro MicroSystems
File Size 372.47 KB
Description MICROSTEPPING DRIVER WITH TRANSLATOR
Datasheet download datasheet 3967 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Data Sheet 26184.24F 3967 MICROSTEPPING DRIVER WITH TRANSLATOR REF 1 RC2 2 ÷8 PWM TIMER 24 PFD 23 RC1 SLEEP 3 22 RESET OUT2B 4 LOAD SUPPLY2 5 VBB2 GND 6 21 OUT1B LOAD VBB1 20 SUPPLY1 19 GND GND 7 18 GND SENSE2 8 17 SENSE1 OUT2A 9 16 OUT1A STEP 10 DIR 11 MS1 12 TRANSLATOR 15 ENABLE & CONTROL LOGIC VCC 14 LOGIC SUPPLY 13 MS2 Dwg. PP-075-2 ABSOLUTE MAXIMUM RATINGS at TA = +25°C Load Supply Voltage, VBB ............. 30 V Output Current, IOUT Continuous ..................... ±750 mA* Peak ................................. ±850 mA Logic Supply Voltage, VCC ........... 7.0 V Logic Input Voltage Range, VIN (tw >30 ns) ............. -0.3 V to +7.0 V (tw <30 ns) ................ -1 V to +7.0 V Sense Voltage, VSENSE ............... 0.68 V Reference Voltage, VREF ........