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Ray Set visibility: public ff25a29 1d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "tps3305-18dgnr",
  "title": "TPS3305-18DGNR",
  "brief": "Texas Instruments Supervisor And Reset ICs, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "tps3305-18dgnr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TPS3305-18DGNR",
    "manufacturer": "Texas Instruments",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Supervisor And Reset ICs",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tps3305.pdf",
    "parts": {
      "symbol": "tps3305-18dgnr.kicad_sym",
      "footprint": "tps3305-18dgnr.kicad_mod",
      "model_3d": "tps3305-18dgnr-hero.glb",
      "model_3d_plain": "tps3305-18dgnr-etched.glb",
      "model_3d_step": "tps3305-18dgnr-etched.step",
      "model_3d_step_plain": "tps3305-18dgnr.step",
      "lbr": "tps3305-18dgnr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2066987",
      "digikey": "296-3299-2-ND",
      "mouser": "595-TPS3305-18DGNR"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T21:48:38Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-3299-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-TPS3305-18DGNR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SENSE1",
        "type": "input",
        "description": "Sense voltage input 1; RESET is asserted when this input falls below its threshold, which is 2.93 V typ for the TPS3305-18."
      },
      {
        "number": "2",
        "name": "SENSE2",
        "type": "input",
        "description": "Sense voltage input 2; RESET is asserted when this input falls below its threshold, which is 1.68 V typ for the TPS3305-18."
      },
      {
        "number": "3",
        "name": "WDI",
        "type": "input",
        "description": "Watchdog timer input; RESET is asserted if WDI is not toggled for more than 1.6 s typ, with VIH of 0.7 x VDD and VIL of 0.3 x VDD."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; all voltage ratings in the datasheet are stated with respect to GND."
      },
      {
        "number": "5",
        "name": "RESET",
        "type": "output",
        "description": "Active-low reset output, asserted low when a SENSEn input is below its threshold, WDI times out, or MR is low."
      },
      {
        "number": "6",
        "name": "RESET",
        "type": "output",
        "description": "Active-high reset output, the complement of the active-low RESET output."
      },
      {
        "number": "7",
        "name": "MR",
        "type": "input",
        "description": "Manual reset input; driving MR low asserts RESET, with VIH of 0.7 x VDD and VIL of 0.3 x VDD."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage input, specified from 2.7 V to 6 V, with RESET defined from VDD of 1.1 V and above."
      }
    ],
    "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 requested MSOP-8 package is listed in the datasheet as HVSSOP (DGN) for the TPS3305-18DGNR order"
        ],
        "pages_sent": 20,
        "cost_usd": 0.0249,
        "at": "2026-11-05T21:48:25"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tps3305.pdf",
        "pages": 20,
        "sha256": "2ae8290d9b80ba2a",
        "source_tier": "mfr"
      },
      "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": "tps3305-18dgnr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps3305-18dgnr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "0e9c8159f094c28d99a849a57dc88ffe93f3682ee355d8dfb483e600325f361c",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "MSOP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "2ae8290d9b80ba2afa070a8a5ae2abdb1e08e7ee42b1e92a32ae4f5934f9e872",
      "rows": [
        {
          "name": "Supply voltage range (VDD input supply range)",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature range",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage range, absolute maximum",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "All voltage values with respect to GND",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reset output voltage range, absolute maximum",
          "symbol": "VRESET, VRESET",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum low output current",
          "symbol": "IOL",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum high output current",
          "symbol": "IOH",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input clamp current",
          "symbol": "IIK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "VI < 0 or VI > VDD",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output clamp current",
          "symbol": "IOK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "VO < 0 or VO > VDD",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Soldering temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Continuous total power dissipation, DGN package",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 2.14,
          "conditions": "DGN package, TA ≤ +25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power rating derating factor, DGN package",
          "symbol": "",
          "kind": "thermal",
          "unit": "mW/°C",
          "min": null,
          "typ": 17.1,
          "max": null,
          "conditions": "DGN package, above TA = +25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Negative-going input threshold voltage, SENSE1 (3.3V supervised)",
          "symbol": "VIT-",
          "kind": "electrical",
          "unit": "V",
          "min": 2.86,
          "typ": 2.93,
          "max": 3,
          "conditions": "VDD = 2.7V to 6V, TA = 0°C to +85°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Negative-going input threshold voltage, SENSE2 (1.8V supervised)",
          "symbol": "VIT-",
          "kind": "electrical",
          "unit": "V",
          "min": 1.64,
          "typ": 1.68,
          "max": 1.72,
          "conditions": "VDD = 2.7V to 6V, TA = 0°C to +85°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Negative-going input threshold voltage, SENSE1 (3.3V supervised)",
          "symbol": "VIT-",
          "kind": "electrical",
          "unit": "V",
          "min": 2.86,
          "typ": 2.93,
          "max": 3.02,
          "conditions": "VDD = 2.7V to 6V, TA = –40°C to +85°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Negative-going input threshold voltage, SENSE2 (1.8V supervised)",
          "symbol": "VIT-",
          "kind": "electrical",
          "unit": "V",
          "min": 1.64,
          "typ": 1.68,
          "max": 1.73,
          "conditions": "VDD = 2.7V to 6V, TA = –40°C to +85°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "VDD = 2.7V to 6V, IOL = 20µA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "VDD = 3.3V, IOL = 2mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power-up reset voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "VDD ≥ 1.1V, IOL = 20µA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Hysteresis at VSENSEn input",
          "symbol": "Vhys",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "VIT– = 1.68V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Hysteresis at VSENSEn input",
          "symbol": "Vhys",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "VIT– = 2.93V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Average high-level input current, WDI",
          "symbol": "IH(AV)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 100,
          "max": 150,
          "conditions": "WDI = VDD = 6V, time average (dc = 88%)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Average low-level input current, WDI",
          "symbol": "IL(AV)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": -15,
          "max": -20,
          "conditions": "WDI = 0V, VDD = 6V, time average (dc = 12%)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High-level input current, WDI",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 120,
          "max": 170,
          "conditions": "WDI = VDD = 6V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High-level input current, MR",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": -130,
          "max": -180,
          "conditions": "MR = 0.7 × VDD, VDD = 6V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High-level input current, SENSE1",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 5,
          "max": 8,
          "conditions": "VSENSE1 = VDD = 6V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High-level input current, SENSE2",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 6,
          "max": 9,
          "conditions": "VSENSE2 = VDD = 6V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low-level input current, WDI",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": -120,
          "max": -170,
          "conditions": "WDI = 0V, VDD = 6V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low-level input current, MR",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": -430,
          "max": -600,
          "conditions": "MR = 0V, VDD = 6V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low-level input current, SENSEn",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VSENSE1,2 = 0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply current",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input capacitance",
          "symbol": "CI",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "VI = 0V to VDD",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Watchdog time-out",
          "symbol": "t(out)",
          "kind": "timing",
          "unit": "s",
          "min": 1.1,
          "typ": 1.6,
          "max": 2.3,
          "conditions": "VI(SENSEn) ≥ VIT+ +0.2V, MR ≥ 0.7 × VDD, see Timing Diagram",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Delay time",
          "symbol": "td",
          "kind": "timing",
          "unit": "ms",
          "min": 140,
          "typ": 200,
          "max": 280,
          "conditions": "VI(SENSEn) ≥ VIT+ +0.2V, MR ≥ 0.7 × VDD, see Timing Diagram",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Pulse width, SENSEn",
          "symbol": "tw",
          "kind": "timing",
          "unit": "µs",
          "min": 6,
          "typ": null,
          "max": null,
          "conditions": "VSENSEnL = VIT– –0.2V, VSENSEnH = VIT+ +0.2V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Pulse width, MR",
          "symbol": "tw",
          "kind": "timing",
          "unit": "ns",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Pulse width, WDI",
          "symbol": "tw",
          "kind": "timing",
          "unit": "ns",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "VIH = 0.7 × VDD, VIL = 0.3 × VDD",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay time, MR to RESET, high-to-low level output",
          "symbol": "tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 200,
          "max": 500,
          "conditions": "VI(SENSEn) ≥ VIT+ +0.2V, VIH = 0.7 × VDD, VIL = 0.3 × VDD",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay time, MR to RESET, low-to-high level output",
          "symbol": "tPLH",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 200,
          "max": 500,
          "conditions": "VI(SENSEn) ≥ VIT+ +0.2V, VIH = 0.7 × VDD, VIL = 0.3 × VDD",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay time, SENSEn to RESET, high-to-low level output",
          "symbol": "tPHL",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 1,
          "max": 5,
          "conditions": "VIH = VIT+ +0.2V, VIL = VIT– –0.2V, MR ≥ 0.7 × VDD",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay time, SENSEn to RESET, low-to-high level output",
          "symbol": "tPLH",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 1,
          "max": 5,
          "conditions": "VIH = VIT+ +0.2V, VIL = VIT– –0.2V, MR ≥ 0.7 × VDD",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
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