ALLEGRO MICROSYSTEMS  A3959SB-T  MOTOR DRIVER, FULL BRIDGE, 3A, DIP24

ALLEGRO MICROSYSTEMS A3959SB-T

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Product Overview


The A3959SB-T is a DMOS full-bridge PWM Motor Driver IC with crossover-current protection. The A3959 driver is designed for pulse width modulated current control of DC motors, capable of output currents to ±3A and operating voltages to 50V. Internal fixed off-time PWM current control timing circuitry can be adjusted via control inputs to operate in slow, fast and mixed current-decay modes. The PHASE and ENABLE input terminals are provided for use in controlling the speed and direction of a motor with externally applied PWM-control signals. Internal synchronous rectification control circuitry is provided to reduce power dissipation during PWM operation. Internal circuit protection includes thermal shutdown with hysteresis, under-voltage monitoring of supply and charge pump and crossover-current protection.
  • Synchronous rectification for reduced power dissipation
  • Internal UVLO and thermal-shutdown circuitry
  • Internal oscillator for digital PWM timing
  • Mixed, fast and slow current-decay modes
  • Low RDS (ON) outputs
  • -20 to 85°C Ambient temperature range

Applications

Motor Drive & Control; Industrial
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Product Information


  • Motor Type Full Bridge
  • No. of Outputs 2Outputs
  • Output Current 3A
  • Output Voltage 50V
  • Driver Case Style DIP
  • No. of Pins 24Pins
  • Supply Voltage Min 4.5V
  • Supply Voltage Max 5.5V
  • Operating Temperature Min -20°C
  • Operating Temperature Max 85°C
  • Packaging Each
  • MSL -
  • Supply Voltage Range 4.5V to 5.5V
  • SVHC No SVHC (15-Jun-2015)

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Availability

Availability: No Longer Manufactured


Substitutes

  • 59P3270 - MOTOR DRIVER, FULL BRIDGE 3A SOIC-24
  • 59P3271 - MOTOR DRIVER, FULL BRIDGE, 3A TSSOP-28
 
 
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Substitutes


  Newark Part No. Manufacturer Part No Manufacturer / Description
Avail Price Qty
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Suggested Substitutes
59P3270
A3959SLBTR-T

A3959SLBTR-T

ALLEGRO MICROSYSTEMS

MOTOR DRIVER, FULL BRIDGE 3A SOIC-24

Availability:​ 1,885  

Price for: Each (Supplied on Cut Tape)

1+ $6.21 10+ $5.57 50+ $5.00 100+ $4.54 More pricing

Buy

see cut-off times

More stock available week commencing 6/27/16
59P3271
A3959SLPTR-T

A3959SLPTR-T

ALLEGRO MICROSYSTEMS

MOTOR DRIVER, FULL BRIDGE, 3A TSSOP-28

Availability:​ 1,301  

Price for: Each (Supplied on Cut Tape)

1+ $6.35 10+ $5.71 50+ $5.12 100+ $4.65 More pricing

Buy

see cut-off times

More stock available week commencing 6/27/16

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