ST STEVAL-ILL031V1 Digital Constant-Current Controller for LED Driving Based on STM8S208x
Summary
The STEVAL-ILL031V1 is a digital constant-current controller designed for sophisticated real average current control, specifically targeting LED streetlighting applications. This demonstration board utilizes advanced DC-DC communication "inverse buck" technology to manage up to four independent high-power LED segments efficiently. The manual provides comprehensive schematics, power stage diagrams, and connection details necessary for implementation. It is ideal for developers designing large-scale outdoor lighting systems that require low energy consumption, reduced size, and minimal maintenance while maintaining high efficiency (up to 98%).
Manual Details
| Brand | Current |
|---|---|
| Pages | 6 |
| File Size | 139.57 KB |
| Published | June 03, 2026 |
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Frequently Asked Questions
What is the required DC input voltage for the controller?
The STEVAL-ILL031V1 board operates with a specified DC input voltage of 48 V.
How many LED strings can this general purpose module manage?
It features four DC-DC buck converters, allowing the driving of up to four connected LED strings and managing up to 120 W in total.
Can I use this controller board for automotive systems?
Only products explicitly specified as "Automotive Grade" may be used in automotive applications; otherwise, it must be done at the user’s own risk.