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DC-DC converter starts up and operates from a single photocell

https://www.electronics-lab.com/dc-dc-converter-starts-operates-single-photocell/

by Marian Stofka @ www.edn.com: The bq25504 from Texas Instruments is a good candidate to become a milestone on the road to micro-power management and energy harvesting. A prominent feature of this IC is its ability to start up at a supply voltage as low as 330 mV typically, and 450 mV guaranteed. With an SMD […]

BQ25504 Solar Cell LiPo Charger

https://www.electronics-lab.com/bq25504-solar-cell-lipo-charger/

by Pesky Products @ tindie.com: This is a small (0.5 x 0.5 inch) breakout board for Texas Instrument’s BQ25504 Ultra Low Power Boost Converter with Battery Management for Energy Harvesting Applications. BQ25504 Solar Cell LiPo Charger – [Link]