IPC Subgroup
H05B 45/3 Driver circuits
Introduced: January 2020
Full Title
Circuit arrangements for operating light-emitting diodes [LED] > Driver circuits
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- Subclass:
- ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
12 direct subcodes
Child Classifications
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- H05B 45/305 Frequency-control circuits
- H05B 45/31 Phase-control circuits
- H05B 45/32 Pulse-control circuits
- H05B 45/34 Voltage stabilisation; Maintaining constant voltage
- H05B 45/345 Current stabilisation; Maintaining constant current
- H05B 45/347 Dynamic headroom control [DHC]
- H05B 45/35 Balancing circuits
- H05B 45/355 Power factor correction [PFC]; Reactive power compensation
- H05B 45/357 specially adapted for retrofit LED light sources
- H05B 45/36 Circuits for reducing or suppressing harmonics, ripples or electromagnetic interferences [EMI]
- H05B 45/37 Converter circuits
- H05B 45/395 Linear regulators