Browse Publications Technical Papers 2001-01-0856
2001-03-05

Development of Discharge Headlamp Ballast by Applying Hybrid IC Technology 2001-01-0856

The popularity of discharge headlamps is increasing due to their higher luminous output and lower power consumption as compared with halogen headlamps. Discharge headlamps require a control unit called a “ballast” which ignites the lamp through high voltage discharge and controls power for the lamp during normal operation. Because there is limited space around the headlamp area and the total headlamp mass must be kept to a minimum, size and mass reduction were the key considerations in our ballast development efforts.
Applying our in-house hybrid IC (integrated circuit) technology, we have developed a new, smaller ballast. As a result, we have achieved a ballast size and weight that is half that of the current design. This paper summarizes our technology and approach to the development of this new ballast.

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