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Maxim Integrated Launches Industry's Smallest Solar Harvesting Solution

Designers of space-saving designs can now significantly increase runtime with the MAX20361 single-/multi-cell solar harvester with maximum power point tracking (MPPT) from Maxim Integrated Products, Inc. The industry’s smallest solar harvesting solution is ideal for space-saving applications such as wearables and emerging internet of things (IoT) applications.

Designers are often challenged by tradeoffs between small size  and long runtime for wearable and IoT applications. By enabling solar charging in these highly space-restricted products, the MAX20361 can extend the runtime of these devices by providing an additional power source. This solar harvester reduces the size of the solution by at least half compared to the closest competitor. In addition, the MAX20361 increases energy harvested by up to 5 percent better than the closest competitor, coupled with an adaptive MPPT approach that can further improve overall system efficiency.


Key Advantages

Smallest Size: Industry’s smallest solar harvesting solution due to reduced component size and smaller, fewer external components; at least 50 percent smaller solution size compared to the closest competitor

Higher Efficiency: Increased boost efficiency maximizes harvested energy with up to 5 percent better boost efficiency than the closest competitor; additional harvesting gains can be achieved through adaptive MPPT features coupled with the unique integrated harvesting gauge for real-time indications of efficiency to optimize performance.



"This device offers exciting opportunities for a new additional power source to continuously charge the battery of the device," said Frank Dowling, Director of the Industrial and Healthcare Business Unit at Maxim Integrated. "For example, if you can collect only 30mW of solar power per day on a 300mAHr battery system that normally runs for three weeks, you can extend that runtime by more than 50 percent."

"Innovation continues to drive the adoption of consumer wearables, with global revenue estimated to grow at a compound annual growth rate (CAGR) of 15% over the next four years," said James Hayward, IDTechEx Research Senior Analyst. "For device manufacturers, longer battery life and smaller form factor remain key features of the product towards market differentiation and user satisfaction."

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