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A3983SLPTRT, A3983SLPTR-T, A3984

Table of contents:
Info of A3983SLPTRT
Info of A3983SLPTR-T
Info of A3984

A3983SLPTRT, A3983SLPTR-T, A3984 Selling Leads, Datasheet

MFG:Allegro Microsystems Inc (VA) Category:Integrated Circuits (ICs) Package Cooled:SOP D/C:2010+

A3983SLPTRT, A3983SLPTR-T, A3984 Datasheet download

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Part Number: A3983SLPTR-T

Category: Integrated Circuits (ICs)

MFG: Allegro Microsystems Inc (VA)

Package Cooled: SOP

D/C: 2010+

Description: IC DRIVER MICROSTEPPING 24-TSSOP

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A3983SLPTR-T Parameters

Technical/Catalog Information	A3983SLPTR-T
Vendor	Allegro Microsystems Inc (VA)
Category	Integrated Circuits (ICs)
Applications	Stepper Motor Driver
Number of Outputs	1
Voltage - Supply	3 V ~ 5.5 V
Voltage - Load	8 V ~ 35 V
Current - Output	±2A
Operating Temperature	-20°C ~ 85°C
Package / Case	24-TSSOP Exposed Pad, 24-eTSSOP, 24-HTSSOP
Packaging	Cut Tape (CT)
Drawing Number	*
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	A3983SLPTR T A3983SLPTRT 620 1149 1 ND 62011491ND 620-1149-1

A3984 General Description

The A3984 is a 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 35 V and ±2 A. 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.

A3984 Maximum Ratings

Load Supply Voltage,VBB....................................................35 V
Output Current, IOUT.........................................................±2 A*
Logic Input Voltage, VIN ......................................0.3 V to 7 V
Sense Voltage, VSENSE ................................................. 0.5 V
Reference Voltage, VREF .. .................................................4 V
Operating Temperature Range
Ambient, TA ................................................. 20°C to 85°C
Junction Temperature, TJ(MAX).....................................150°C
Storage Temperature, TS ............................55°C to 150°C

A3984 Features

Low RDS(ON)outputs
Automatic current decay mode detection/selection
Mixed and Slow current decay modes
Synchronous rectification for low power dissipatio
Internal UVLO and thermal shutdown circuitry
Crossover-current protection

A3984 Connection Diagram

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