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  • 24 x Solar Chargers Circuits and Projects

    Browse through a total of 24 Solar Chargers Circuits and Projects.

    SCR Based SSS Solar Charge Control A force-commutated SCR makes a novel Solid State Switch in a solar charge regulator control. Prior art includes relay and transistor switches, but an SCR switch in this type of DC application may be new to the world (normally SCRs are applied in line-commutated AC applications). Advantages include robustness and the...
    A Primer on Solar Charge Controls A primer on solar charge controls A brief search on eBay turned up some 4700 listings for solar charge controls. Prices on 12 /24V units range from about 7 to $250. With all the specifications and buzzwords that are thrown around, many are understandably confused. This discussion should be helpful in making the best selection....
    6A, 6V SSS Based Solar Charge Control This is a Solid State Switch upgrade to the 6A, 6V Relay Based Solar Charge Regulator. Solid state switching provides longer life, smaller size and higher efficiency than a relay. In addition, the clock frequency may be doubled in order to better track battery load /charging requirements. The parts cost is essentially...
    6A, 6V Relay Based Solar Charge Control This 6V solar charge regulator meets most small-scale 6V application requirements. With a current rating of 6A, it can handle up to a 50W solar panel. Its principle of operation is very simple and there is only one adjustment: cut-out voltage. Many inexpensive commercial solar charges available use, I believe, this technique....
    6A, 12V SSS Based Solar Charge Control This is a Solid State Switch upgrade to the 6A, 12V solar charge regulator. Solid state switching provides longer life, smaller size and higher efficiency than a relay. In addition, the clock frequency may be doubled in order to better track battery load /charging requirements. The parts cost is only slightly higher. One...
    6A, 12V Relay Based Solar Charge Control This 12V solar charge regulator meets most small-scale application requirements. With a current rating of 6A, it can handle up to a 100W solar panel. Its principle of operation is very simple and there is only one adjustment: cut-out voltage. Many inexpensive commercial solar charges available use, I believe, this technique....
    DIY Solar Boost Converter with MPPT Charge Controller This is a simple solar boost converter and voltage limiter circuit that charges a 12V battery from a 6V solar panel. It also demonstrates MPPT (Maximum Power Point Tracking) capability. When we think of MPPT, we generally think of microcontrollers and complex power computing algorithms, but such computing power is not actually...
    6V Solar Charge Shunt Regulator A shunt regulator technique may be effectively employed in regulating the charging voltage of a lead-acid battery. Although it has a practical power limitation (< 20W or so), it has the notable advantage of being an LDO (low dropout) regulator (zero voltage dropout in this case) - this is in contrast with the typical series...
    3A 6V/12V Solar Charge Control This solar charge control combines multiple features into a single design: 3A current rating, low dropout voltage (LDO), range of voltage adjustment (accommodates 6 & 12V lead-acid batteries), reverse polarity protection, low parts cost ($5.90) and low parts count (14 components). High performance is attributed to the...
    6V LDO Solar Charge Controller This Low Dropout Voltage (LDO) solar charge controller is a variation of the previously posted 12V LDO controller. It is optimized for charging a 6V lead-acid battery with a 9V solar panel. Minimum voltage drop is less than 1V. It uses a simple differential amplifier and series P channel MOSFET linear regulator. Voltage output...
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