DFRobot DFM8001 Ambient Energy Harvesting Module - Indoor IoT Battery-Free Power
The DFRobot DFM8001 is a micro-energy harvesting module designed for indoor IoT applications, converting weak ambient energy from light, thermal, mechanical, or RF sources into a stable 3.3V or 5V dual-channel output without requiring a primary battery.
Features
- Dynamic Maximum Power Point Tracking (MPPT) for efficient weak energy collection down to 15 µW.
- Integrated charge/discharge management and energy storage control for supercapacitors or backup batteries.
- Dual-channel voltage-stabilized output configurable for 3.3V or 5V logic systems.
- Optimized for amorphous silicon, organic, and dye-sensitized photovoltaic cells in low-light indoor environments.
- Ultra-low cold-start voltage of 400mV enables operation from minimal ambient energy.
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The DFM8001 Ambient Energy Harvesting Module is a sophisticated power management IC solution engineered to enable truly battery-free IoT nodes and sensor systems. It tackles the inherent challenge of weak, unstable ambient energy by incorporating dynamic MPPT that continuously scans and locks onto the maximum power point of the input source, ensuring optimal energy extraction from microwatt-level inputs. This allows the module to effectively harness energy from indoor light, thermal gradients, vibration, or RF signals.
Internally, the module integrates all necessary power conversion, management, and stabilization circuitry. It provides comprehensive management for an attached energy storage element, such as a supercapacitor or a disposable backup battery, handling charging, protection, and controlled discharge. The dual configurable buck converter outputs deliver clean, regulated voltage to power low-power microcontrollers, sensors, and wireless communication modules, forming a complete ambient energy power system with minimal external components.
Additional Information
| Weight | 0.025 kg |
|---|---|
| Dimensions | 1.5 × 1.5 cm |














