Electronics > Projects, Designs, and Technical Stuff
STmicroelectronics ultra-low Vf Schottky
BravoV:
Try read futher here -> https://www.analog.com/en/products/power-management/energy-harvesting.html
T3sl4co1l:
If you have an auxiliary supply with enough voltage to run useful functions, you can build a charge pump (or there's probably an energy harvesting chip that starts/runs lower than building blocks) to keep itself running, and also operate some switching circuitry. Downside: such a scheme usually needs extra voltage to start up. Which if it can't be made to self-start, it could be as simple as adding a coin cell, or maybe a supercap (make sure the circuitry shuts down with low leakage, when the main source is unavailable!).
Tim
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