Modeling of the Energy Storage Device: LTC3588

Authors: Mojtaba Ghodsi, Morteza Mohammadzaheri, Payam Soltani

Abstract:

This study provides a detailed analysis of the LTC3588 as a low-power energy storage model, focusing on its internal circuitry and energy harvesting capabilities. The study highlights the relationship between the input and output capacitors and the behavior of the output voltage, particularly its rise time. It was found that increasing the input capacitance (Cin) from 1 µF to 220 µF reduces oscillations in the output voltage (Vout) and slows the rate of increase in the input voltage, demonstrating the impact of input capacitance on voltage dynamics. Furthermore, the study revealed that smaller output capacitors (Cout) result in fewer voltage jumps required to reach the target output voltage of 3.2 V, suggesting that a smaller Cout improves voltage regulation speed and stability. The study concludes that both input and output capacitors play a critical role in the LTC3588's performance. Optimizing these capacitors is crucial for efficient energy storage and harvesting in applications requiring minimal power consumption.

Keywords: LTC3588, energy storage, Zener Diode, LED.

References:

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