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...

Continue Reading
1054
Views
0 Comments
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...

Continue Reading
1180
Views
0 Comments
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...

Continue Reading
1819
Views
0 Comments
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...

Continue Reading
2368
Views
1 Comments
10kW 3-Phase Grid Tie Inverter Reference Design for Solar String Inverter
Photovoltaic

10kW 3-Phase Grid Tie Inverter Reference Design for Solar String Inverter

This verified reference design provides an overview on how to implement a three-level three-phase SiC based DC:AC grid-tie inverter stage. Higher switching frequency of 50KHz reduces the size of magnetics for the filter design and enables higher power density. The use of SiC MOSFETs...

Continue Reading
3111
Views
0 Comments
Solar harvesting into Li-ion battery
Photovoltaic

Solar harvesting into Li-ion battery

A highly efficient solar powered Li-ion charger with two regulated outputs. The AEMLION is a 0.8x0.6 inch (20x15mm) PCB with the AEM10941 Solar Harvesting IC from E-peas. It efficiently converts solar energy into Li-ion battery charge, it even works with indoor light. It features 3.3V...

Continue Reading
2209
Views
0 Comments
High Efficiency MPPT Solar Charger
Photovoltaic

High Efficiency MPPT Solar Charger

A 75 watt MPPT Solar Charger with tons of features. Efficiency > 97%, USB interface, data logging, 2 USB charging ports and much more...by Lukas Fässler This is an open source project that I've been working on for several years now. From its modest beginnings it has evolved to a...

Continue Reading
2776
Views
0 Comments
DC-DC converter starts up and operates from a single photocell
Photovoltaic

DC-DC converter starts up and operates from a 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...

Continue Reading
2080
Views
0 Comments
Archives