main
Ray ds1818r-20-t-r: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) 5d05ce2 1mo ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ds1818r-20-t-r",
  "title": "DS1818R-20+T&R",
  "brief": "Analog Devices Inc Maxim Integrated Supervisor And Reset ICs, SOT-23-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "ds1818r-20+t&r"
  ],
  "component": {
    "mpn": "DS1818R-20+T&R",
    "manufacturer": "Analog Devices Inc Maxim Integrated",
    "package": "SOT-23-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Supervisor And Reset ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588939985521557504",
    "parts": {
      "symbol": "ds1818r-20-t-r.kicad_sym",
      "footprint": "ds1818r-20-t-r.kicad_mod",
      "model_3d": "ds1818r-20-t-r-etched.glb",
      "model_3d_plain": "ds1818r-20-t-r.glb",
      "model_3d_step": "ds1818r-20-t-r-etched.step",
      "model_3d_step_plain": "ds1818r-20-t-r.step",
      "lbr": "ds1818r-20-t-r.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "RST",
        "type": "bidirectional",
        "description": "Active-low reset output. Open-drain with internal 5.5 kΩ (typ) pullup to VCC (RP: 3.50-7.5 kΩ). Asserted low when VCC drops below VCCTP (2.47-2.64 V for the -20 variant) and held low for ~150 ms after VCC returns to tolerance. Also monitors an external pushbutton: pulling RST low for ≥1 µs (tPB) triggers a 150 ms pushbutton reset (tPBRST). IOL ≥ +10 mA at 0.4 V; VIL ≤ 0.4 V, VIH ≥ 0.7*VCC."
      },
      {
        "number": "2",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply input. Recommended operating range 1.0 V to 5.5 V; monitored for out-of-tolerance conditions against the 3.3 V nominal threshold (VCCTP typ 2.55 V for the -20 / 20% variant). Quiescent current ICC = 28 µA typ, 35 µA max (with RST open). Absolute max: -0.5 V to +7.0 V."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference. All voltages are referenced to this pin."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588939985521557504",
        "pages": null,
        "sha256": "36fe757a06dc06e4",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ds1818r-20-t-r.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ds1818r-20-t-r-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "1347ed8458e7f6e101a140641cf0c4f55349830e247739727d62340b679e551b",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices Inc Maxim Integrated",
      "Package": "SOT-23-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    }
  },
  "variants": [
    {
      "mpn": "DS1818R-20+T&RR",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ds1818r-20+t&r"
  ],
  "discovery_pitch": "DS1818R-20+T&R (Analog Devices Inc Maxim Integrated) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ds1818r-20-t-r.kicad_sym",
    "ds1818r-20-t-r.kicad_mod",
    "ds1818r-20-t-r.glb",
    "ds1818r-20-t-r.step",
    "ds1818r-20-t-r.lbr",
    "docs/hero.png",
    "docs/ds1818r-20-t-r-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T20:05:21.710Z"
}