Patent ID: 8039987
Filing Date: 2011-10-18
Classification: B60K,B60L,B60W,H02J,H02M,Y02T

Abstract:
1. A power source device charged by an external power source, comprising: a first power storage device chargeable and dischargeable, and connected to a first node; a load connected to a second node; a first voltage converting unit converting voltage between said first node and said second node; a second power storage device chargeable and dischargeable, and connected to a third node; a second voltage converting unit converting voltage between said third node and said second node; a power transmitting unit transmitting power received from said external power source to said first node; and a control unit controlling said first and second voltage converting units; wherein said control unit controls said first and second voltage converting units such that voltage of said third node attains to a desired charging voltage and thereby charges said second power storage device.