Integrated module demonstrates cost reduction and surge resilience in electronics, suggesting better protection strategies.
Rising adoption of low-voltage DC electronics demands robust overvoltage protection for wide input ranges (3-30V). We address this with an integrated module combining: (1) Astable boost converter (<5V activation), (2) LM317 regulator (5V±1.5% stability), and (3) LM339 comparator-driven cutoff (>5.1V, <1.2 ms response). NI MULTISIM simulation and hardware validation confirm ≤ ±1.5% output deviation across solar/battery/DC sources (0-800 mA). The design outperforms discrete solutions with 57% cost reduction vs. buck-boost ICs, seamless transitions, and 30V surge resilience—establishing a scalable framework for resilient power management in deployable systems.
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Emon et al. (2025) studied this question.
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