LTC2954ITS8-2#TRPBF

{
  "slug": "ltc2954its8-2-trpbf",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Supervisor And Reset ICs, TSOT-23-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "ltc2954its8-2#trpbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ltc2954its8-2-trpbf.kicad_sym",
    "ltc2954its8-2-trpbf.kicad_mod",
    "ltc2954its8-2-trpbf.glb",
    "ltc2954its8-2-trpbf.step",
    "ltc2954its8-2-trpbf.lbr",
    "docs/hero.png",
    "docs/ltc2954its8-2-trpbf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ltc2954its8-2-trpbf-hero.glb",
    "ltc2954its8-2-trpbf-hero.overlay.json",
    "ltc2954its8-2-trpbf-etched.glb"
  ],
  "component": {
    "mpn": "LTC2954ITS8-2#TRPBF",
    "manufacturer": "Analog Devices",
    "package": "TSOT-23-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Supervisor And Reset ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588949771923173376",
    "parts": {
      "symbol": "ltc2954its8-2-trpbf.kicad_sym",
      "footprint": "ltc2954its8-2-trpbf.kicad_mod",
      "model_3d": "ltc2954its8-2-trpbf-hero.glb",
      "model_3d_plain": "ltc2954its8-2-trpbf-etched.glb",
      "model_3d_step": "ltc2954its8-2-trpbf-etched.step",
      "model_3d_step_plain": "ltc2954its8-2-trpbf.step",
      "lbr": "ltc2954its8-2-trpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C580656",
      "digikey": "505-LTC2954ITS8-2#TRPBFTR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T13:25:34Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-LTC2954ITS8-2#TRPBFTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply input, specified for 2.7V to 26.4V operation."
      },
      {
        "number": "2",
        "name": "PB",
        "type": "input",
        "description": "Pushbutton input with an internal 100k pull-up to a 1.9V bias; it withstands ±10kV HBM ESD, can be pulled up to 26.4V externally, and can operate down to -6V without latch-up."
      },
      {
        "number": "3",
        "name": "ONT",
        "type": "input",
        "description": "Turn-on time input where a capacitor to ground adds 6.4 seconds/µF to the PB hold time before enable is asserted, and floating it gives a default 32ms turn-on debounce."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground."
      },
      {
        "number": "5",
        "name": "INT",
        "type": "output",
        "description": "Open-drain interrupt output that is pulled low for a minimum of 32ms after a pushbutton turn-off event (tDB,OFF) and stays low while PB is asserted."
      },
      {
        "number": "6",
        "name": "EN/EN",
        "type": "output",
        "description": "Open-drain enable bar output on the LTC2954-2 that is asserted low after a valid PB turn-on event, released high if KILL is not driven high within 512ms or KILL is driven low or PB is held for tPD,MIN + tPDT, and rated for 0V to 26.4V."
      },
      {
        "number": "7",
        "name": "PDT",
        "type": "input",
        "description": "Power-down time input where a capacitor to ground adds 6.4 seconds/µF to the PB hold time before EN/EN and INT are released, and floating it gives a 64ms power-down time."
      },
      {
        "number": "8",
        "name": "KILL",
        "type": "input",
        "description": "Kill input where forcing it low releases the enable output, with an accurate 0.6V threshold and a 512ms blanking timer at turn-on."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin 6 is printed as EN/EN in the package pin functions. For the LTC2954-2 (this MPN) the function is; Pin numbers for the TSOT-23 (TS8) package are from the 'TOP VIEW TS8 PACKAGE' figure on page 2 and t"
        ],
        "pages_sent": 18,
        "cost_usd": 0.094,
        "at": "2026-10-18T13:22:39"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588949771923173376",
        "pages": 18,
        "sha256": "1e9e2567d15e569e",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ltc2954its8-2-trpbf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          0.95
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dc644a91883054d8f75e38542e63c2050dc8f2e8b7f12e1c57dcd93245fbd473",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ltc2954its8-2-trpbf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          0.95
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "43e36b858c3b3dac40203d26c0a77e454f3459245a8733cf1373c3919375a8e9",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}