![]() So, in this project, we will be adding in constant current capabilities to our Viper22A-based power supply and will document the entire construction process. It can also be used as a constant current LED driver to keep your LEDs from burning out. Constant current circuits are extremely helpful as they can be used to safeguard your circuit from overcurrent, as well as charge lithium batteries according to manufacturer requirements. CC and CV configuration is needed to build Lithium Battery Chargers, in this article we will design and build a 12.6V Li-ion battery charger to charge our 12V battery pack which we built in our previous tutorial. ![]() However, we did not discuss a Constant Current (CC) with a Constant Voltage (CV) power supply in any of those projects. ![]() We've already developed a few SMPS circuits, such as this 5V 2A SMPS circuit, a 12V 1A TNY268 SMPS circuit, and a 12V 1A Viper-based CV Circuit. These are omnipresent, from smartphone chargers to lab bench power supplies to medical tools. Switch Mode Power Supplies (SMPS) are one of the most generally used AC-DC Converters on the market as they accept 110V/230V AC as input and convert it to a desirable DC voltage level, making them useful for a wide range of applications.
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