High current bipolar stepper motor controller

Description

High Current Bipolar Stepper Motor Controller kit is based on chopper drive.  Chopper drive is a method of providing a constant current source to a device.  Chopper drive allows for use of higher voltage power supply for better performance and higher speed.  It is uses SGS Thomson’s L297 and L298 controller IC’s.

• Logic supply – 5 VDC @ 300 mA
• Motor Supply – 8 to 30 VDC
• Connection via 10-pin Box Header for easy interface with any microcontroller development boards
• External or internal voltage reference option via jumper
• Onboard preset for current adjustment
• High speed switching diodes for L298 IC protection
• Power-On LED indicator for both the supplies
• Power Battery Terminal (PBT) for easy supplies and motor connection
• Heat sink included
• Four mounting holes 3.2 mm each
• PCB dimensions 74 mm x 71 mm

Schematic

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