Overview
Description
The ISLSTPMREFEV1Z is a radiation tolerant stepper motor reference design system that provides an efficient driving circuit for a 2-phase bipolar stepper motor at supply voltages up to 12V.
The ISLSTPMREFEV1Z board highlights six main radiation tolerant components: the ISL71441M half-bridge GaN FET driver, ISL70024SEH 200V GaN FET, ISL70100M 40V current sense amplifier (CSA), ISL71148M 8-channel 14-bit SAR analog-to-digital converter (ADC), ISL75054M ultra-low noise, high-PSRR low-dropout regulator, and the ISL71010B25 2.5V precision voltage reference.
The driver circuit uses four ISL71441M half-bridge drivers, two per coil, each controlling a pair of GaN FETs to deliver bidirectional current through each motor coil.
Features
- 12V 2.5A 30W 2-phase bipolar stepper motor driver
- Precision current sense monitoring
- High-accuracy analog monitoring
- All components available in alternative rad hard flow
Applications
Documentation
Featured Documentation
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| PCB Design Files |
ZIP
9.98 MB
The design files for the ISLSTPMREFEV1Z Radiation Tolerant Stepper Motor Reference Design include the schematic, BOM, PCB layout files, and Gerber artwork—essential tools for enabling complete evaluation of IC and board functions.
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| Manual - Development Tools |
PDF
2.49 MB
The ISLSTPMREFEV1Z is a radiation tolerant stepper motor reference design system that provides an efficient driving circuit for a 2-phase bipolar stepper motor at supply voltages up to 12V. This manual provides information about the board design, schematics, bill of materials, and layout.
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