The DFR0579 Micro Solar Power Manager is an ultra-compact, high-efficiency solar power management module designed for low-power IoT applications, wireless sensors, and microcontrollers. It integrates MPPT technology and comprehensive protection features to enable stable, maintenance-free solar energy harvesting from small panels (1V–3V). Ideal for eco-friendly IoT projects, it ensures prolonged device operation with minimal external intervention.
Key Features
-
🌞 MPPT Algorithm: Maximizes energy conversion efficiency even under low-light conditions.
-
🔋 Dual Charging Input: Supports solar (0.5V–4V) or USB power sources.
-
⚡ Stable Output: 3.3V/90mA regulated output for low-power devices (e.g., micro:bit, ESP32).
-
🛡️ Full Protection: Over-charge/over-discharge/reverse connection protection for batteries; short-circuit/over-current protection for outputs.
-
📦 Compact Design: 30mm × 30mm PCB, ideal for space-constrained applications.
Key Parameters
| Parameter | Value |
|---|---|
| Solar Input Voltage | 0.5V - 4.0V |
| Battery Input | 3.7V Lithium Battery |
| Max Charging Current | 70mA (Solar) / 100mA (USB) |
| Regulated Output | 3.3V @ 90mA |
| Over-charge Protection | 4.2V |
| Over-discharge Protection | 3.1V |
| Quiescent Current | <3μA |
| Operating Temperature | -40℃ to 85℃ |
Applications
-
Low-power wireless sensor networks
-
Bluetooth Beacon localization
-
Solar-powered IoT nodes (e.g., BLE Sensor Beacon, FireBeetle ESP32)
-
Miniature solar toys and environmental monitors
Documents
Included in Package
-
DFR0579 Micro Solar Power Manager ×1
-
Monocrystalline Solar Panel (2V/160mA, 50×50mm) ×1
-
Connecting Wires (Red/Black, PH2.0, XH2.54 headers)