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ALLEGRO MICROSYSTEMS  A3977SLPTR-T  Motor Driver/Controller, DMOS, 3V to 5.5V supply, 450 mOhm RDS, 35V/2.5 A/2 Outputs, TSSOP-28

ALLEGRO MICROSYSTEMS A3977SLPTR-T
Manufacturer Part No:
A3977SLPTR-T
Newark Part No.:
59P3275
Technical Datasheet:
See all Technical Docs

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Product Overview

The A3977SLPTR-T is a Microstepping DMOS Motor Driver with built-in translator. It is designed to operate bipolar stepper motors in full, half, quarter and eighth-step modes. It includes a fixed off-time current regulator that has the ability to operate in...
  • ±2.5A, 35V Output rating
  • Low RDS(on) outputs, 0.28Ω source, 0.22Ω sink typical
  • Automatic current decay mode detection/selection
  • 3 to 5.5V Logic supply voltage range
  • Mixed, fast and slow current decay modes
  • Home output
  • Synchronous rectification for low power dissipation
  • Internal UVLO and thermal shutdown circuitry
  • Crossover-current protection

 

Product Information

Motor Type:
DMOS
No. of Outputs:
2Outputs
Output Current:
2.5A
Output Voltage:
35V
Driver Case Style:
TSSOP
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
Product Range:
-
Automotive Qualifications Standard:
-
MSL:
MSL 2 - 1 year
SVHC:
No SVHC (15-Jun-2015)

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Applications

  • Motor Drive & Control

Legislation and Environmental

Moisture Sensitivity Level:
MSL 2 - 1 year
Product Traceability
RoHS Compliant:
Yes
Authorized Distributor

Substitutes

Associated Products