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Convertidor Boost

Referencia técnica sobre Convertidor Boost para el diseño, integración e implementación de sistemas de energía inalámbrica.

6 minArtículo 22/50Electrónica de Potencia

Boost Converter — educational diagram — Fig.: Diagrama educativo de “Boost Converter”.

Boost converters raise voltage by storing energy in an inductor while the switch is on and releasing it to the output when the switch turns off. PFC boost stages are the dominant AC/DC front end for single-phase docks.

On vehicles, boost stages appear when battery or ultracap voltage is below the inverter requirement for motoring or when boosting rectifier output during weak coupling.

01PFC context

Follows rectified AC with output bus typically 350–400 VDC or site-specific.
Current mode control for shaping input current.
Output cap sized for WPT inverter pulse load.

Boost Converter — supporting diagram — Fig.: Ilustración de apoyo para “Boost Converter”.

02Design cautions

Right-half-plane zero in continuous boost limits control bandwidth — coordinate with slow outer power loops. Startup inrush and OVP on output when load disconnects under heavy charge must be tested.

03Wireless link interaction

Avoid beat frequencies between boost and inverter unless filtered.
During weak coupling, boosting receiver voltage increases rectifier and SR stress — limit with link power control.