Acronym · Power & Discretes
DC-DC converter (Direct Current to Direct Current Converter)
A circuit that converts one DC voltage to another, either by switching with magnetic energy storage or by charge pumping with capacitors. Isolated versions place a transformer in the path to break the galvanic connection.
- Also known as
- DCDC, HV-LV converter, LDC
- Type
- Acronym
- Domain
- Power & Discretes, Power conversion topologies
- Also relevant to
- Automotive
Notes
In an EV, the DC-DC specifically means the unit that supplies the 12 V or 48 V auxiliary rail from the traction pack.
Related terms
- Buck converter
- Boost converter
- LLC resonant converter
- Galvanic isolation
- OBC
- 48 V
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