The Over-the-Top type of operational amplifier is ideal for use as a current sense for battery charger applications. The design described here can be used with chargers for rechargeable batteries ...

An offline battery charger — using the Unitrode UC3906 battery charger controller chip and a Vicor Maxi, Mini, Micro Series DC-DC converter module — provides design flexibility, small size, and high ...

A DC-to-DC charger uses excess engine-alternator current, typically redirected from the starting battery bank, to charge the house battery bank. This can also be performed by an automatic charging ...

The 12-volt battery is one of the least complex components in modern vehicles but one of the most crucial. If it’s not in good condition, the engine won’t start, nor can any of the vehicle’s fancy ...

Discover how to make a homemade battery capable of charging your smartphone using simple materials like copper foil, aluminum foil, and saltwater. This step-by-step DIY battery project demonstrates ...

The following automatic battery-charger design is created with a circuit that could qualify as the simplest window comparator ever built around a single transistor (see the figure). It starts charging ...

USB-C has quickly become the standard charging port for modern smartphones.