{
  "$type": "site.standard.document",
  "description": "In a vehicle power supply system, a backup power supply device includes a backup 12 V LI battery and a control ECU. Here, a load unit, a load unit, and a load unit are load units having a specific function related to a vehicle. In this case, the load unit is a load unit having another function in…",
  "path": "/patents/1375554",
  "publishedAt": "2025-05-22T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60R16/033",
    "Yazaki Corporation"
  ],
  "textContent": "In a vehicle power supply system, a backup power supply device includes a backup 12 V LI battery and a control ECU. Here, a load unit, a load unit, and a load unit are load units having a specific function related to a vehicle. In this case, the load unit is a load unit having another function in addition to the specific function, and has a discharging function of discharging power when estimating the battery state of the backup 12 V LI battery as the another function. The control ECU is switchable among a normal mode, an abnormal mode, and a battery state estimation mode.",
  "title": "VEHICLE POWER SUPPLY SYSTEM"
}