Power supply device for electric vehicle

  title={Power supply device for electric vehicle},
  author={少觉功 and 川崎雄一 and 玉木健二 and 高尾竜一},
The invention provides a power supply device comprising a high voltage battery and a low voltage battery, wherein the low voltage battery is charged by the high voltage battery and the durability of the charging voltage for the low voltage battery directly applied to an auxiliary machine is prevented from decreasing. A voltage charging auxiliary battery (5) is provided when the voltage is lowered by a buck converter (6). The charging voltage conducted by a main switch (9) is applied to a… CONTINUE READING