Patent ID: 9242559
Filing Date: 2016-01-26
CPC Classification: B60L,Y02T

Claim Text:
1. An in-vehicle power source device comprising: a first power source and a second power source for providing power to at least one electric load; a first opening-closing switch in a first feed line between the electric load and the first power source; a second opening-closing switch in a second feed line between the electric load and the second power source; a bypass switch in a bypass circuit configured to bypass the first opening-closing switch; a fuse in the bypass circuit; a current detector configured to detect a current fed to the electric load; a case configured to store the second power source, wherein the fuse is positioned outside of the case to be protected, wherein the fuse and the bypass switch are connected in series, wherein the first opening-closing switch and the second opening-closing switch are connected in parallel, and wherein the device further includes a drive circuit configured to turn off the first and second opening-closing switches and turn on the bypass switch when the current detected by the current detector is equal to or greater than a predetermined value.