SM6802/3/4 is 2 to 4 bits of white/blue light Linear constant current LED Driver, the brightness has 16 steps can be adjusted simultaneously or individually. It is suitable for application in mobile phone, PDA, Smart phone backlight
This manual provides the circuit diagram and component list for the SAMHOP SM6802/SM6803/SM6804 LED driver evaluation board, which supports 2‑to‑4‑bit white or blue linear constant‑current LED driving with 16 brightness steps. The board is intended for backlight applications in mobile devices such as phones and PDAs.
Instructions describe how to connect a 5 V supply or three 1.5 V AA batteries, power the board, and adjust LED current using three switches (5 mA, 10 mA, 20 mA). The document also includes PCB layout images and testing procedures for current consistency. This manual is written in Chinese.
| Resolution | 2 to 4 bits |
|---|---|
| Brightness Steps | 16 steps |
| Default LED Current | 20 mA |