Lamp drive unit for vehicle, has controller which controls lighting drive unit by auxiliary drive signal, so that rush current flowing before drive start of lamp is restricted within allowable limits

摘要

The lighting drive unit (3) performs lighting drive of lamp. A generator (5) generates auxiliary and pulse driving signals. A controller (4) controls lighting drive unit by auxiliary driving signal, so that rush current flowing before drive start of lamp due to pulse driving signal, is limited within allowable range.