This document describes the features and characteristics of the solar-powered LED light controller 6601E, including high efficiency, charge and discharge protection, and low startup voltage.
The 6601E solar LED light controller integrates charging, discharging, light‑sensing and protection functions for solar‑powered LED lighting such as lawn lights and handheld LED lamps. It offers high conversion efficiency (85‑90% typical) and low dropout voltage (0.8 V max).
The document describes the controller’s operating principles, circuit diagrams, component specifications, and wiring examples for single‑color and multi‑color LED configurations, as well as protection modes for extending battery life. This manual is written in Chinese.
| Typical conversion efficiency | 85‑90 % |
|---|---|
| Maximum dropout voltage | 0.8 V |
| Operating voltage range | 0.9‑4.5 V |
| Typical LED drive current | 10‑40 nA |
| External Schottky diode part number | 1N5817 |
| LED inductance (white) | 68 µH (20 mA) |
The controller typically achieves a conversion efficiency of 85‑90 %.
The maximum dropout voltage is 0.8 V.
A Schottky diode with part number 1N5817 is recommended.
White LEDs use an inductance of 68 µH at 20 mA.