A current control apparatus for controlling current of a lamp in a vehicle includes: a plurality of output pins to output currents of different values; an output signal feedback part connected to each of the plurality of output pins, and to generate one of a plurality of output feedback signals; a reference signal generation part to generate one of a plurality of reference signals; a signal selection part configured to select one of the plurality of output feedback signals, and to select one of the plurality of reference signals; a comparator to compare the received output feedback signal to the received reference signal, and to output a signal difference between the receive output feedback signal and the received reference signal; and a constant current driver configured to constantly adjust a current output through one of the plurality of output pins based on the signal difference.
Current control apparatus and vehicle having the same
2018-04-17
Patent
Electronic Resource
English
IPC: | B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein |
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