Under the title "Always in balance - Balancing supercapacitors", Würth Elektronik provided a new help guide for developers on its homepage.
The latest publication includes experience gained from support and addresses the relative unfamiliarity of using supercapacitors. This extends the support Würth Elektronik has previously provided in the form of application notes, explanatory videos, and webinars.
WCAP-STSC series
Although supercapacitors, such as the Würth Elektronik WCAP-STSC series, essentially differ from other capacitors only in their higher energy density, they unlock completely different applications.
Würth Elektronik's product management team has made it its business to assist developers, especially in the application of capacitors as energy storage devices, with concepts, selection criteria, and calculation bases.
durable components
Whether preventing data loss in the event of a power failure, critical network devices supercapacitors are durable components
Whether preventing data loss in the event of a power failure, critical network devices, or in medical technology - supercapacitors are durable components for short-term power supply.
Application Note ANP090: Keep the balance - balancing supercapacitors addresses the issue that supercapacitors normally operate at voltages of around 2.7 V. To achieve higher operating voltages, a cascade of supercapacitor cells connected in series is required.
voltage equalization
Fluctuations in capacitance and insulation resistance due to manufacturing or aging make voltage equalization (balancing) necessary.
The application note by René Kalbitz, Product Manager, and Frank Puhane, Technical Engineering Leader, at Würth Elektronik eiSos for the capacitors division, covers the theoretical background, measurements, and practical examples while offering various balancing concepts.
