Q1: What is the purpose of a DC-DC boost step up converter?
A DC-DC boost step up converter is an electronic circuit used to boost a lower DC input voltage to a higher DC output voltage. DC-DC boost converters can be used in automotive, power, monitoring systems, railway signals, instrumentation, solar power generation, buses, taxi displays, car audio, security systems, hospital equipment, telecommunications, etc.
Q2: How does a DC-DC boost step up converter work?
In the inductor energy storage stage, the power supply is supplied through the inductor, and the current flows through the inductor coil, generating a magnetic field and storing energy. At this time, the diode is reverse-biased, the current does not flow to the load, and the output is maintained by the capacitor. In the energy release stage, the current cannot be stopped immediately, and the inductor magnetic field begins to collapse. The inductor will reversely induce voltage in the same direction as the input voltage, so the output is higher than the input after superposition. The current flows through the diode to charge the load and the capacitor. This process is repeated at a high speed of tens to hundreds of kHz, thereby achieving continuous voltage boost.
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