LTC2955CDDB-1#TRPBF

{
  "slug": "ltc2955cddb-1-trpbf",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Monitors & Reset Circuits, DFN-10-EP(2x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "ltc2955cddb-1#trpbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ltc2955cddb-1-trpbf.kicad_sym",
    "ltc2955cddb-1-trpbf.kicad_mod",
    "ltc2955cddb-1-trpbf.glb",
    "ltc2955cddb-1-trpbf.step",
    "ltc2955cddb-1-trpbf.lbr",
    "docs/hero.png",
    "docs/ltc2955cddb-1-trpbf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ltc2955cddb-1-trpbf-hero.glb",
    "ltc2955cddb-1-trpbf-hero.overlay.json",
    "ltc2955cddb-1-trpbf-etched.glb"
  ],
  "component": {
    "mpn": "LTC2955CDDB-1#TRPBF",
    "manufacturer": "Analog Devices",
    "package": "DFN-10-EP(2x3)",
    "pin_count": 11,
    "category": "Power Management ICs",
    "subcategory": "Monitors & Reset Circuits",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/2955fa.pdf",
    "parts": {
      "symbol": "ltc2955cddb-1-trpbf.kicad_sym",
      "footprint": "ltc2955cddb-1-trpbf.kicad_mod",
      "model_3d": "ltc2955cddb-1-trpbf-hero.glb",
      "model_3d_plain": "ltc2955cddb-1-trpbf-etched.glb",
      "model_3d_step": "ltc2955cddb-1-trpbf-etched.step",
      "model_3d_step_plain": "ltc2955cddb-1-trpbf.step",
      "lbr": "ltc2955cddb-1-trpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C683788",
      "digikey": "505-LTC2955CDDB-1#TRPBFTR-ND",
      "mouser": "584-C2955CDDB-1TRPBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T21:20:02Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-LTC2955CDDB-1#TRPBFTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-C2955CDDB-1TRPBF",
        "status": "found",
        "lifecycle": "Restricted Availability"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "INT",
        "type": "output",
        "description": "Open-drain interrupt output, pulled low on a turn-off command from the pushbutton or ON pin, with a minimum pulse width of 32ms extendable through TMR, and rated -0.3V to 6V."
      },
      {
        "number": "2",
        "name": "PGD",
        "type": "output",
        "description": "ON status output that goes high (1.5V to 5.5V, 2µA pull-up) when the ON pin is above its 0.8V threshold, telling the system whether turn-on came from ON or PB; leave open if unused."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "output",
        "description": "Active-high enable output (LTC2955-1) asserted when the pushbutton is pressed or ON goes high, with a 2µA pull-up and a high level that follows the internal LDO (1.5V to 5.5V), for connection to a regulator RUN or SHUTDOWN pin."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply input with a 1.5V to 36V operating range (40V absolute maximum); for >20V applications connect through a 1k resistor and bypass to GND with a 10nF low-ESR capacitor."
      },
      {
        "number": "5",
        "name": "PB",
        "type": "input",
        "description": "Active-low pushbutton input with a 900k pull-up to an internal LDO, tolerant of ±36V, connected between the pushbutton and GND; may be left open if unused."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground."
      },
      {
        "number": "7",
        "name": "SEL",
        "type": "input",
        "description": "Mode select input: GND blocks the ON falling edge from causing turn-off, VIN allows both ON rising and falling edges to turn the system on and off; do not leave open."
      },
      {
        "number": "8",
        "name": "TMR",
        "type": "passive",
        "description": "Timer pin where a capacitor to ground adds 5.2 seconds/µF beyond the default 64ms turn-off debounce time; grounding the pin disables forced power-down by pushbutton press."
      },
      {
        "number": "9",
        "name": "KILL",
        "type": "input",
        "description": "Kill input with a 0.8V threshold where a low releases the enable output; tie to the system supply or an external 1.2V to 5V if unused (absolute maximum 6V)."
      },
      {
        "number": "10",
        "name": "ON",
        "type": "input",
        "description": "Monitor input with a 0.8V rising threshold connected to a resistive divider for automatic system turn-on (and turn-off when SEL is high); tie to GND if unused."
      },
      {
        "number": "11",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (DFN only); leave open or connect to device ground."
      }
    ],
    "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: The pin-configuration drawing text on page 2 is scrambled, so the pin-number-to-name mapping was rec; The overbar on EN/EN was lost in extraction. Pin 3 is recorded as EN (active high) because the MPN i; The exposed pad is listed as optional PCB ground connection with no electrical type stated; 'passive"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0513,
        "at": "2026-10-30T21:19:44"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/2955fa.pdf",
        "pages": 22,
        "sha256": "808f40fbceb97024",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 11,
        "described": 11,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ltc2955cddb-1-trpbf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.0,
          2.98,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f32bf7ac72cd74fd3cd2ce5cc9cea9c0b978a57d74a28ba263b71c7e8b9d294b",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ltc2955cddb-1-trpbf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.0,
          2.98,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "767bc3035cb6534901f65b4913c46b7bf186ff7e4cefbb3d3cdd9f59e40100d5",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "DDB10",
      "source_page": 19,
      "D": {
        "nom_mm": 3.0,
        "range_mm": [
          null,
          null
        ]
      },
      "E1": {
        "nom_mm": 2.0,
        "range_mm": [
          null,
          null
        ]
      },
      "e": {
        "nom_mm": 0.5,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 0.75,
        "range_mm": [
          null,
          null
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "ltc2955cddb-1-trpbf.step",
        "verdict": "PASS",
        "reasons": [
          "height within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}