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The highest amp rated inductor that I found and can afford is 65 amps and has an inductance of 500 uH. Based on the Switched Mode Galvanic Isolated DC/DC converters, this SMG charger is a reliable 48V to 12V Battery Charger. Power Supplies Online offer a range of DC-DC Voltage Converters, in din rail, module, on-board, PCB and enclosed types in wattage from 1W through to 1000W. The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network.
Inevitably it is usually a bit more complex than this because even the best fets in the world drop a little voltage and so does the inductor and under heavy load conditions the voltage will sag - this can be countered by slightly increasing the mark-space ratio. I know Olin has answered this question and you have accepted it but I would recommend using a synchronous buck converter - it uses two MOSFETs and is more efficient and, surprisingly, easier to understand and control. We take into account 100+ parameters and calculations to ensure your system is fully bespoke and perfect for your needs. This model has a nominal current output of 30A (360W), but an unlimited number of these units can be parallel connected to increase output. If all the components are ideal, no power can be dissipated, and all input power is transferred to the output.
The DCM3717 has established a new power density benchmark for regulated 48V to 12V conversion with a 6x reduction in size over a conventional 1/4 brick converter. The output voltage is adjustable on the front between 11V – 15V DC, making the inverter applicable for many purposes. Using cookies provides the best experience whilst using our site, and allows us to process data such as browsing behaviour. Explore our selection of DC-DC converters, designed to ensure stable and efficient conversion of direct current.
This means, a DC/DC converter will take a DC input voltage, filter it and then produce a regulated DC output voltage. The block diagram below shows the basic layout of the semiconductors used for an up to 3 kW DCDC 48V/12V multi-phase buck converter. In addition to the voltage drop caused by the wire length, wire size and current draw, the DC voltage can also be made “dirty” by the electrical noise interjected into the wires by the surrounding equipment. A PWM circuit such as the LTC6992 is very useful as the heart of this type of switcher - it's a voltage controlled PWM oscillator.A non-sync buck converter isn't as efficient and is prone to more instabilities so I'd urge you to consider this route. Whether you want to power 230V appliances off-grid, recharge via shore hookup or simply recharge whilst driving, there are a number of different solutions available.
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