Variable capacitive loading using supercapacitors
Ultracapacitors and power electronic systems
Article REF: D3336 V1
Variable capacitive loading using supercapacitors
Ultracapacitors and power electronic systems

Author : Michel PINARD

Publication date: November 10, 2012, Review date: January 25, 2025 | Lire en français

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4. Variable capacitive loading using supercapacitors

4.1 Equivalent capacitor in direct current or slowly variable around an operating point

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4.1.1 Simulation on an example

Consider the 1,000 F capacitor–2.8 V from LS.

A single capacitor is used. The switching frequency is f = 100 Hz, as we have seen that this type of capacitor does not perform well at higher frequencies.

To ensure correct operation, a MOSFET transistor with very low R DS_ON is required. We have chosen the IRFS3004-7PPBf...

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