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The DEV-BASIC is a complete energy harvesting power management solution using TI BQ25570 PMIC. It can efficiently extract energy from solar, whether in a dim indoor environment or outdoors in direct sunlight.
Once collected, the BQ25570 can store energy in various storage elements while providing a regulated voltage output to power your application devices.
The kit includes everything you need to start developing power autonomous electronics. Use Indoor Light series panels for indoor applications and Classic Application panels for outdoor environments. Pre-configured to charge 3.7V Lithium batteries, you can use the included Li-Po battery or swap for a more suitable size.
Panel Specifications
Indoor Series
LL200-3-37
1000 lux:
200 lux:
Classic Application
ONP1.2-12x24
100% Sun
25% Sun
System Diagram
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Board Layout
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Use Cases - Power Source For
Wireless connectivity is now standard in modern electronics and the growing IoT and sensing industries. Many applications in this area are very low power and can run entirely off a solar energy harvesting solution.
Features
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Nano power DC-DC boost charger, with 100mV minimum input voltage.
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Integrated power management.
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Compatible with Li-ion, LiFePo, Thin-Film, capacitor, and supercapacitor rechargeable battery technologies.
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Adjustable battery under-voltage protection and load disconnect with hysteresis.
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Adjustable battery overvoltage protection.
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Regulated power output with adjustable voltage.
Capacitor / Supercapacitor Storage Element Operation
The DEV-BASIC can run and operate with a capacitor as the storage element instead of the Li-Polymer battery. The capacitor will maintain steady power to the system while light is available.
The charge and discharge rate will be significantly affected by the size of the capacitor. If the capacitor is completely discharged (0V), the charge rate will be slower because the harvester chip is not yet fully functional.
IV Curves
Indoor Series
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Classic Application
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.jpg?width=400&height=191&name=Solar%20Development%20Kit%20(400%20x%20191).jpg "Solar Development Kit")
