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SLA7075M

Allegro
Part Number SLA7075M
Manufacturer Allegro
Description Motor Driver
Published Nov 5, 2019
Detailed Description DriveMrostor Application Note 28210.03 PRODUCT DESCRIPTION Series SLA7070M Motor Driver ICs INTRODUCTION This documen...
Datasheet PDF File SLA7075M PDF File

SLA7075M
SLA7075M


Overview
DriveMrostor Application Note 28210.
03 PRODUCT DESCRIPTION Series SLA7070M Motor Driver ICs INTRODUCTION This document describes the function and features of SLA7070M series, which are unipolar 2-phase stepping motor driver ICs.
This document contains preliminary information on the products under development.
Should you have any questions, including information on options, contact your nearest sales or representative office.
Features n Power supply voltages, VBB: 46 V(max.
), 10 to 44 V normal operating range n Logic supply voltages, VDD: 3.
0 to 5.
5 V n Maximum output currents: 1 A, 1.
5 A, 2 A, 3 A n Built-in sequencer n Simplified clock-in stepping control n Both full/half-stepping, and microstepping versions; microstepping versions (SLA7075M, -76M, -77M, -78M) are capable of full-, half-, quarter-, eighth-, and sixteenth-stepping n Built-in sense resistor, RSInt (NEW) n All variants are pin-compatible for enhanced design flexibility n ZIP type 23-pin molded package (SLA package) n Self-excitation PWM current control with fixed off-time For microstepping parts, off-time adjusted automatically by step reference current ratio (3 levels) n Built-in synchronous rectifying circuit reduces losses at PWM off (NEW) n Synchronous PWM chopping function prevents motor noise in Hold mode n Sleep mode for reducing the IC input current in stand-by state n Built-in protection circuitry against motor coil opens/shorts option available (NEW, patent pending) Contents Introduction Part Numbers and Options Specifications Reference Voltage Setting Allowable Power Dissipation Package Outline Drawing, SLA-23 Pin Functional Block Diagram and Pin Assignments Application Example for Microstepping Products Truth Tables Logic Input Pins Step Sequencing Individual Circuit Description Functional Description Application Information Thermal Design Information Characteristic Data 1 2 3 7 8 9 10 12 13 14 15 21 22 25 30 32 All performance characteristics given are typical values for circuit or...



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