Category: Power

Grid-connected solar microinverter reference design
A PDF from Microchip on the theory behind inverter design connected to grip power.: There are two main requirements for solar inverter systems: harvest available energy from the PV panel and inject a sinusoidal current into the grid in phase with the grid voltage. In order to harvest...
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uBoost Single AA to 3.3v 100mA Power Supply
µBoost is a Single AA powered, 3.3v 100mA power source and flashlight and it can run low power devices. µBoost is small, portable, 3.3v 100mA power source for low power devices like Arduino Mini. It has white power LED and can usable as flashlight. Also it has "Battery OK" indicator...
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24-48V to 5V – 3A DC-DC Converter
24-48V input voltage range 3A output current DC-DC Converter using BD9G341AEFJ IC from ROHM semiconductor. This IC is ideal for high voltage to low voltage converter with 3A output current. Pin configuration of the board with 3 Pin horizontal mounting of the regulator is similar to...
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15V 1A Dual Output Flyback DC-DC Converter
+/-15V 1A Dual output DC-DC converter is a tiny board built using Transformer from Renco and LM2587-ADJ IC from Texas instrument. Input supply 18-36V DC. The LM2587 regulators is monolithic integrated circuit specifically designed for fly back, step-up (boost), and forward converter...
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3A Thermoelectric Cooler (TEC) Driver
3A TEC Driver Module is a complete power stage solution to drive Thermoelectric Cooler (TEC). The required DC voltage input controls the output current. It consists of the Texas instruments DRV593 power driver IC, along with a few discrete passive components required for operation. It...
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Harvesting Sound Energy From Passing Cars
by Mechanical Attraction @ instructables.com: There is energy everywhere around us and in many different forms. Many devices have been developed to harvest light, wind, waves, and more. One unusual place of energy harvesting is from passing cars. As cars pass by some of their energy...
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White Paper: Cut the Cord with Power over Ethernet (PoE)
Providing AC power to each device individually is an extra cost especially for organizations when installing IP cameras, VoIP phones or network access switches and routers in the facilities. To help in this way some modern protocols, like USB and Ethernet, provide the power over the same...
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PowerPlant, A Personal Power Assistant
Imagine you won't need electricity mains wherever you are outside! PowerPlant by Nuuq is trying to solve this issue by providing its charging mains-alike power bank. PowerPlant is light enough to be convenient to carry, suitable for you backpack and is TSA approved. Also, it is powerful...
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