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AT5519

Description
Preliminary Product Information Dual Full-Bridge Stepper Motor Driver
File Size450KB,11 Pages
ManufacturerETC
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AT5519 Overview

Preliminary Product Information Dual Full-Bridge Stepper Motor Driver

AT5519
Preliminary Product Information
Dual Full-Bridge Stepper Motor Driver
Features
• Interchangeable with SGS L6219DS
• 750mA continuous output current
• 28V output sustaining voltage
• Internal clamp diode
• Internal PWM current control
• Low output saturation voltage
• Internal thermal shutdown circuitry
• SOP-24 Package
General Description
The AT5519 motor driver is designed to drive both
winding of a bipolar stepper motor or bi-
directionally control two DC motor. An internal
PWM controls the output current to 750mA with
peak startup current up to 1A. Two logic-level
inputs select output current limits of 0, 33, 67, or
100% of the maximum level. A PHASE input to
each bridge determines load current direction. A
thermal protection circuitry disables the outputs if
the chip temperature exceeds safe operating limits.
Applications
•Scanner
Block Diagram
Aimtron reserves the right without notice to change this circuitry and specifications.
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
WWW:
http://www.aimtron.com.tw
Fax: 886-3-563-0879
Email:
service@aimtron.com.tw
1

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Description Preliminary Product Information Dual Full-Bridge Stepper Motor Driver Preliminary Product Information Dual Full-Bridge Stepper Motor Driver Preliminary Product Information Dual Full-Bridge Stepper Motor Driver
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