Jingfeng Mingyuan BP2808 LED Lighting Power Supply Application Design

This note explains how to design LED lighting power supplies using the BP2808 driver IC.

Jingfeng Mingyuan BP2808 LED Lighting Power Supply Application Design - cover page
Brand
Jingfeng Mingyuan
Category
Other Electronics
Document type
Application Note
Language
Chinese
Pages
7
File format
PDF
File size
611 KB
Published
29 September, 2026
Updated
29 September, 2026
MD5 checksum
2A53F480D52B24D40F23D4C8EC20F937
PDF
Jingfeng Mingyuan BP2808 LED Lighting Power Supply Application Design PDF

About this manual

The document introduces the BP2808 driver, its pin functions and basic operating principle, and describes its suitability for LED lighting applications. It also outlines the design flow from input power selection to LED current regulation.

Detailed circuit examples, component selection, EMI/EMC considerations, and test results are provided to help engineers implement reliable LED power supplies with the BP2808. This manual is written in Chinese.

What's inside

  • Introduction
  • BP2808 Overview
  • Input Power Design
  • LED Voltage and Current Settings
  • Circuit Topology
  • EMI/EMC Considerations
  • Design Calculations
  • Testing and Results
  • Conclusion

Specifications

Input voltage range176‑264 V
Input frequency50 Hz
LED forward voltage (Vkd)3.2 V
LED forward current (Ikd)20 mA (typical)
Output current240 mA
Typical LED power18 W

Frequently asked questions

What is the acceptable input voltage range for the BP2808?

The BP2808 can operate with an input voltage from 176 V to 264 V.

What LED forward current does the BP2808 provide?

The driver is designed for a typical LED forward current of 20 mA (adjustable between 16 mA and 19 mA).

What is the typical output power for an LED load using the BP2808?

A typical design delivers about 18 W of LED power.

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