Low

A3984SLPTR-T - 

Motor Driver/Controller, Stepper, 3V to 5.5V supply, 35V/2 A/2 Outputs, TSSOP-24

ALLEGRO MICROSYSTEMS A3984SLPTR-T
ALLEGRO MICROSYSTEMS A3984SLPTR-T

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Manufacturer Part No:
A3984SLPTR-T
Newark Part No.:
12X7874
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The A3984SLPTR-T is a DMOS complete microstepping Motor Driver with built-in translator for easy operation. It is designed to operate bipolar stepper motors in full-, half-, quarter- and sixteenth-step modes, with an output drive capacity of up to 35V and ±2A. The A3984 includes a fixed off-time current regulator which has the ability to operate in slow or mixed decay modes. The translator is the key to the easy implementation of the A3984. Simply inputting one pulse on the STEP input drives the motor one microstep. There are no phase sequence tables, high frequency control lines or complex interfaces to program. The A3984 interface is an ideal fit for applications where a complex microprocessor is unavailable or is overburdened.
  • Low RDS (ON) outputs
  • Automatic current decay mode detection/selection
  • Mixed and slow current decay modes
  • Synchronous rectification for low power dissipation
  • Internal UVLO and thermal shutdown circuitry
  • Crossover-current protection
  • -0.3 to 7V Logic input voltage
  • 0.5V Sense voltage
  • 4V Reference voltage

Applications

Motor Drive & Control

Product Information

:
Stepper
:
2Outputs
:
2A
:
35V
:
TSSOP
:
24Pins
:
3V
:
5.5V
:
-20°C
:
85°C
:
Cut Tape
:
-
:
-
:
MSL 2 - 1 year
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