This Solar Buck-Boost Module Enhances Solar and USB Power Management for Embedded Systems

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https://www.electronics-lab.com/this-solar-buck-boost-module-enhances-solar-and-usb-power-management-for-embedded-systems/

Juan Flores’ Solar Buck-Boost Module is designed to charge a lithium-polymer battery using either a solar panel or USB power, providing a constant output voltage for noise-free power management for low-power applications. This board is designed to automatically switch between solar and USB power, without interrupting the attached load. This project is a module that […]

LIR1220 Battery Charger plugs in USB

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https://www.electronics-lab.com/lir1220-battery-charger-plugs-in-usb/

The LIR1220 is a 12.5 mm. lithium-ion rechargeable coin cell. It is a relatively new technology. Traditionally, li-ion coin cells are non-rechargeable but for some situations, rechargeable compact cells are desired. Coin cells like CR2032 are ultra-compact and are used in a variety of compact systems like wearables and if something with this form factor […]

Monolithic Power Systems’ 5 V USB, 1 A, I²C-controlled linear charger

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https://www.electronics-lab.com/monolithic-power-systems-5-v-usb-1-a-i%c2%b2c-controlled-linear-charger/

The MP2667 from Monolithic Power Systems is a highly integrated, single-cell, Li-ion/Li-polymer battery charger with system power path management for space-limited portable applications. This device takes input power from either an AC adapter or a USB port to supply the system load and charge the battery simultaneously. The charger function features constant current pre-charge, constant current […]