![]() Though very cheap and easy to build, these types of power supply circuits cannot support heavy current and are normally limited to 200 mA or so. There are a few other forms of power supplies which can be rather built by even the new electronic hobbyists and does not require transformers. In order to achieve maximum battery service life, a properly designed charger should always be used to charge cells. You can also learn about a neat little switch mode power supply design. ![]() ![]() A smart battery charger will not only never overcharge cells, but can also monitor battery temperature, switching off a fast charge when certain parameters are exceeded.Ī power supply used as a charger cannot do this, and will continue to pump energy into a battery regardless of its condition fully charged, battery fault, or shorted cells. TDK-Lambda: Switching Power Supplies Med 400W 115-230VAC 12V 33.33A Cov & Opt. This is specifically required for Li-Ion chemistry where overcharging is not only damaging to the battery cells, but can also pose a possible fire hazard. Switching Power Supplies Med 400W 115-230VAC 12V 33.33A Cov & Opt Enlarge Mfr. As the load requirements change, it continues to supply a fixed DC level.Ī true battery charger generally supplies a regulated current, first to charge the battery, and then switches to a regulated voltage mode. ![]() The terms “Power Supply” and “Battery Charger” are often used interchangeably, but they perform distinct functions.Ī power supply is designed to supply a constant voltage to a load. ![]()
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