{
  "$type": "site.standard.document",
  "description": "A circuit diagnosing apparatus according to an embodiment of the present disclosure diagnoses a circuit state of a battery pack including a battery cell and a main relay connected in series, and includes: a control unit configured to output a first signal having a preset duty cycle through a first…",
  "path": "/patents/1319647",
  "publishedAt": "2022-06-09T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01R31/385",
    "LG Energy Solution, Ltd."
  ],
  "textContent": "A circuit diagnosing apparatus according to an embodiment of the present disclosure diagnoses a circuit state of a battery pack including a battery cell and a main relay connected in series, and includes: a control unit configured to output a first signal having a preset duty cycle through a first line connected to the main relay according to a predetermined output frequency; and a DC-DC converter further connected to the first line to receive the first signal through the first line and configured to receive a second signal output from the battery cell whenever an operation state of the main relay is shifted to a turn-on state by the first signal, convert the first signal and the second signal, and transmit a first conversion signal and a second conversion signal obtained by the conversion to the control unit.",
  "title": "Circuit Diagnosing Apparatus and Battery Pack Including the Same"
}