Power Management Solution: Constant voltage (CV) pulse charging of hybrid capacitors

Rechargeable energy storage solutions are of high interest because of their flexibility, low maintenance requirements, and reduced cost over their life-cycle.

For compact applications, classic electrolytic capacitors are environmentally friendly alternatives and available for a wide range of rated voltages. However, they soon reach their energy storage limit with output requirements exceeding a few 100 mWs.

Electric double-layer capacitors (EDLC) offer high power and energy density, as well as long working life, but are limited to low working voltages in the same range as batteries. Electronic systems require a compromise between these technologies, namely solutions that combine the advantages of classic batteries and double-layer capacitors without the limitations.

Hybrid – ENYCAP™ 196 HVC – capacitors can deliver this performance. In order to fully utilize the product performance, a reliable charging solution must be applied. This document proposes constant voltage (CV) pulse charging as the most cost-efficient solution.

Click here for Technical Note. For additional information, download the application note below.