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Current

High Current 209A, 75V MOSFET IRFP2907 Datasheet

Last Updated on May 17, 2026 by Swagatam 23 Comments

irfp2907datasheet

In this post I have explained the main features datasheet of high current N-Channel mosfet IRFP2907 which is rated to handle up to a staggering 209 amps of continuous current at a reasonably massive 75 volts. High Current Specs With the advent of mosfets, switching huge power through compact packages has become particularly feasible. Take […]

Filed Under: Datasheets and Components Tagged With: Current, Datasheet, High, IRFP2907, MOSFET

High Current Li-Ion Battery Charger Circuit

Last Updated on May 17, 2026 by Swagatam 203 Comments

universalli ionchargercircuit

In this post I have explained a high current Li-Ion battery charger circuit which can be used for charging any high current, such as 2S3P, 3S2P battery packs. It can be also used for charging other similar high Ah rated Li-ion battery from a car or a truck battery. The idea was requested by Mr. […]

Filed Under: Battery Charger Circuits Tagged With: Battery, Charger, Current, High

Gel Cell Battery Charger Circuit [Constant Current, Constant Voltage]

Last Updated on May 17, 2026 by Swagatam 42 Comments

Fig 1

In this post I have explained what are gel cell batteries and also learn how to build a specialized charger for charging a gel cell battery, with full calculations. The proposed circuit works in two modes: it starts charging a discharged gel cell battery with constant current, until the full charge voltage is reached across […]

Filed Under: Battery Charger Circuits Tagged With: Battery, Cell, Charger, Constant, Current, Voltage

High Current Solar Battery Charger Circuit – 25 Amps

Last Updated on May 17, 2026 by Swagatam 45 Comments

30ampcharger

This circuit is capable of providing as high as 25 Amps of current at any specified voltage between 1.25 V to  30V as per the adjustment of the given pot. The current is constant irrespective of the voltage settings. The circuit can be used for charging batteries in range of 50 to 200 AH. How […]

Filed Under: Battery Charger Circuits Tagged With: Amps, Battery, Charger, Current, High, Solar

High Current Wireless Battery Charger Circuit

Last Updated on May 17, 2026 by Swagatam 59 Comments

wireless

In this article I have explained regarding how to design and make your own customized high current wireless battery charger circuit using wireless power transfer concept. Introduction In many of my earlier articles I have comprehensively discussed wireless power transfer, in this article we will go a step ahead and try to learn how to […]

Filed Under: Battery Charger Circuits Tagged With: Battery, Charger, Current, High, Wireless

High Voltage, High Current DC Regulator Circuit

Last Updated on May 16, 2026 by Swagatam 69 Comments

high voltage DC stabilizr circuit

We all are pretty familiar with the 78XX voltage regulator ICs or the adjustable types such as LM317, LM338 etc. Though these regulators are outstanding with their specified functioning and reliability, these regulators have one big disadvantage…. they won’t control anything above 35V. Circuit Operation The circuit presented in the following article introduces a DC […]

Filed Under: Automobile Electronics Tagged With: Current, DC, High, Regulator, Voltage

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