{
  "$type": "site.standard.document",
  "description": "According to an embodiment, a deployment circuit for a pyrotechnic device comprises terminals couplable to the pyrotechnic device, and a driver circuit comprising an electronic switch and a current limiter configured to selectively energize the pyrotechnic device. A control circuit drives the…",
  "path": "/patents/1389350",
  "publishedAt": "2026-06-11T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60R21/01",
    "STMicroelectronics International N.V."
  ],
  "textContent": "According to an embodiment, a deployment circuit for a pyrotechnic device comprises terminals couplable to the pyrotechnic device, and a driver circuit comprising an electronic switch and a current limiter configured to selectively energize the pyrotechnic device. A control circuit drives the driver circuit as a function of a fire request signal. When the fire request signal is de-asserted, the control circuit obtains a resistance value and determines whether the resistance value falls between first and second thresholds. When the fire request signal is asserted, the control circuit starts a deployment cycle and monitors a time duration where current exceeds a current threshold. After stopping the deployment cycle, the control circuit obtains a second resistance value and determines whether the monitored time exceeds a time threshold and whether the second resistance value exceeds a third threshold. The control circuit signals correct deployment when both conditions are satisfied.",
  "title": "DEPLOYMENT CIRCUIT FOR A PYROTECHNIC DEVICE, CORRESPONDING INTEGRATED CIRCUIT, VEHICLE AND METHOD"
}