DC-DC is a device that converts electrical energy of one voltage value into electrical energy of another voltage value in a DC circuit. It uses microelectronic technology to assemble small surface-mounted integrated circuits and miniature electronic components into one.
DC-DC converter DC-DC converter
Refers to a device that converts electrical energy of one voltage value into electrical energy of another voltage value in a DC circuit.
dc-dc is a newly developed miniaturized power switch module, which uses microelectronic technology to assemble small surface-mounted integrated circuits and miniature electronic components into one. The use of dc-dc power modules is beneficial to simplify the design of power circuits, shorten the development cycle, and achieve the best indicators. It can be widely used in various digital instruments and intelligent instruments.
dc-dc power modules are widely used in power electronics, military industry, scientific research, industrial control equipment, communication equipment, instrumentation, switching equipment, access equipment, mobile communications, routers and other communication fields and industrial control, automotive electronics, aerospace and other fields. Due to the characteristics of short design cycle, high reliability, and easy system upgrade due to the use of modules to build power systems, the application of power modules is becoming more and more widespread. Especially in recent years, due to the rapid development of data services and the continuous promotion of distributed power supply systems, the increase in power supply modules has exceeded the primary power supply. With the large-scale use of semiconductor technology, packaging technology and high-frequency soft switching, the power density of power modules is increasing, the conversion efficiency is becoming higher and higher, and the application is becoming simpler and simpler.
1. Isolation:
1. Noise isolation: (Analog circuit and digital circuit isolation, strong and weak signal isolation)
2. Safety isolation: strong current weak current isolation \ IGBT isolation drive \ surge isolation protection \ lightning isolation protection (such as isolation protection of medical electronic equipment in contact with human body)
3. Elimination of ground loop: remote signal transmission\distributed power supply system
Second, the voltage conversion:
Boost conversion\buck conversion\AC/DC conversion (AC/DC, DC/AC)\Polarity conversion (positive and negative polarity conversion, single power supply and positive and negative power supply conversion, single power supply and multiple power supply conversion)
3. Protection:
Short circuit protection, overvoltage protection, undervoltage protection, overcurrent protection, other protection
4. Noise reduction:
Using active filtering
5. Voltage stabilization:
AC mains power supply\remote DC power supply\distributed power supply system\battery power supply.
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