Photovoltaic Cell Battery Charger / Solar Cell Li-Ion Battery Trickle Charger with MPPC
Photovoltaic

Photovoltaic Cell Battery Charger / Solar Cell Li-Ion Battery Trickle Charger with MPPC

This is a tiny module that allows users to charge small Li-ion batteries, CR2032 or equivalent, from a low power source such as a small photovoltaic cell. The project consists of the LTC3105 step-up DC-DC converter chip which features Maximum Power Point Control (MPPC) and 250mV...

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Calculate Size of Solar Panel, Battery Bank and Inverter (MS Excel Spreadsheet)
Photovoltaic

Calculate Size of Solar Panel, Battery Bank and Inverter (MS Excel Spreadsheet)

Design of solar panel/battery bank and inverter using this Excel Sheet. This MS Excel spreadsheet calculates the following: Total Demand Load Size of Solar Panel Select Type of Connection of Solar Panel Select Rating of Each Solar Panel Energy from Solar Panel as...

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Energy harvesting PMIC available as samples
IC

Energy harvesting PMIC available as samples

Nowi BV (Delft, The Netherlands) has samples available of its NH2 energy harvesting power management IC (PMIC). The NH2D0245 comes in a QFN package measuring 3mm by 3mm. Including the external capacitor, it has an assembly footprint of just 3mm by 3.6mm. The NH2 is designed to extract...

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Scientists Develop Safer Lead-Based Perovskite Solar Cell Structure
Photovoltaic

Scientists Develop Safer Lead-Based Perovskite Solar Cell Structure

Researchers at Northern Illinois University and the U.S. Department of Energy's (DOE) National Renewable Energy Laboratory (NREL) in Golden, Colorado, reported in the journal Nature on a potential breakthrough in the development of hybrid perovskite solar cells. Considered rising stars...

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Buck-Boost Battery Charge Controller with MPPT and I2C
IC

Buck-Boost Battery Charge Controller with MPPT and I2C

The LT8491 from Analog Devices is a buck-boost switching regulator battery charge controller that implements a constant-current constant-voltage (CCCV) charging profile used for most battery types, including sealed lead-acid (SLA), flooded, gel and lithium-ion. Applications are...

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Indoor Solar Cells optimised to convert ambient indoor light to electricity
Photovoltaic

Indoor Solar Cells optimised to convert ambient indoor light to electricity

Swedish and Chinese scientists have developed organic solar cells optimised to convert ambient indoor light to electricity. The power they produce is low, but is probably enough to feed the millions of products that the internet of things will bring online. For more information see the...

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makerPower Solar – An intelligent solar power system for the internet of things.
Photovoltaic

makerPower Solar – An intelligent solar power system for the internet of things.

makerPower Solar is a combination intelligent solar battery charger and power supply for low- to medium-power devices freeing them from the outlet. It is designed to provide 24/7 power for a wide range of embedded systems and IoT gadgets. According to Julio: Optimal charging is...

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Miniature Solar Cells Embedded in Clothes can Charge your Mobile
Photovoltaic

Miniature Solar Cells Embedded in Clothes can Charge your Mobile

Miniature technology is a claim in today's world. We talked recently about the tiny gyroscope which is the size of a grain of rice, and now clothes embedded with miniature solar cells the size of a flea can allow wearers to generate electricity outdoors, and charge items like mobile...

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