ALLEGRO MICROSYSTEMS  A4983SETTR-T  MOTOR DRIVER, DMOS, 2A, QFN-28

ALLEGRO MICROSYSTEMS A4983SETTR-T

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Product Overview


The A4983SETTR-T is a DMOS micro-stepping Driver with built in translator. The A4983 driver is designed to operate bipolar stepper motors in full, half, quarter, eighth and sixteenth-step modes, with output drive capacity of up to 35V and ±2A. It includes a fixed off-time current regulator that has the ability to operate in slow or mixed decay modes. It is an ideal fit for applications where a complex microprocessor is unavailable or is overburdened. The translator is the key to the easy implementation, simply inputting one pulse on the STEP input drives the motor one micro-step. The chopping control automatically selects the current decay mode (slow or mixed). When a signal occurs at the STEP input pin, driver determines if that step results in a higher or lower current in each of the motor phases. Internal circuit protection includes thermal shutdown with hysteresis, under-voltage lockout (UVLO) and cross over-current protection.
  • Low RDS (ON) outputs
  • Automatic current decay mode detection/selection
  • Synchronous rectification for low power dissipation
  • Thermal shutdown circuitry

Applications

Motor Drive & Control; Industrial
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Product Information


  • Motor Type DMOS
  • No. of Outputs 4Outputs
  • Output Current 2A
  • Output Voltage 35V
  • Driver Case Style QFN
  • No. of Pins 28Pins
  • Supply Voltage Min 3V
  • Supply Voltage Max 5.5V
  • Operating Temperature Min -20°C
  • Operating Temperature Max 85°C
  • Packaging Cut Tape
  • MSL MSL 2 - 1 year
  • Supply Voltage Range 3V to 5.5V
  • SVHC No SVHC (15-Jun-2015)

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    Availability:  5,489


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      Newark Part No. Manufacturer Part No Manufacturer / Description
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    28X3346
    A4983SETTR-T

    A4983SETTR-T

    ALLEGRO MICROSYSTEMS

    MOTOR DRIVER, DMOS, 2A, QFN-28, FULL REEL

    Availability:​ 18,000  

    Price for: Each (Supplied on Full Reel)

    9000+ $1.82

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