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ALLEGRO MICROSYSTEMS  A3959SLBTR-T  MOTOR DRIVER, FULL BRIDGE 3A SOIC-24

ALLEGRO MICROSYSTEMS A3959SLBTR-T
Technical Data Sheet (556.53KB) EN See all Technical Docs

Image is for illustrative purposes only. Please refer to product description.

Product Overview

The A3959SLBTR-T is a DMOS full-bridge PWM Motor Driver designed for pulse width modulated (PWM) current control of DC motors, the A3959 is capable of output currents to ±3A and operating voltage 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. PHASE and ENABLE input terminals are provided for use in controlling the speed and direction of a DC 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. Special power-up sequencing is not required.
  • Mixed, fast and slow current-decay modes
  • Synchronous rectification for low power dissipation
  • Internal UVLO and thermal-shutdown circuitry
  • Crossover-current protection
  • Internal oscillator for digital PWM timing
  • 7V Logic supply voltage
  • 1.6V Body diode forward voltage

 

Product Information

Motor Type:
Full Bridge
No. of Outputs:
1Outputs
Output Current:
3A
Output Voltage:
50V
Driver Case Style:
SOIC
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:
Cut Tape
Product Range:
-
Automotive Qualifications Standard:
-
MSL:
-
Supply Voltage Range:
4.5V to 5.5V
SVHC:
No SVHC (15-Jun-2015)

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Applications

  • Motor Drive & Control

Legislation and Environmental

Moisture Sensitivity Level:
-
Product Traceability
RoHS Compliant:
Yes
Authorized Distributor

Associated Products