TPS2331ID

{
  "slug": "tps2331id",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Supervisor And Reset ICs, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tps2331id",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps2331id.kicad_sym",
    "tps2331id.kicad_mod",
    "tps2331id.glb",
    "tps2331id.step",
    "tps2331id.lbr",
    "docs/hero.png",
    "docs/tps2331id-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps2331id-hero.glb",
    "tps2331id-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS2331ID",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-14",
    "pin_count": 14,
    "category": "Power Management (PMIC)",
    "subcategory": "Supervisor And Reset ICs",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tps2331.pdf",
    "parts": {
      "symbol": "tps2331id.kicad_sym",
      "footprint": "tps2331id.kicad_mod",
      "model_3d": "tps2331id-hero.glb",
      "model_3d_plain": "tps2331id.glb",
      "model_3d_step": "tps2331id-etched.step",
      "model_3d_step_plain": "tps2331id.step",
      "lbr": "tps2331id.lbr"
    },
    "distributor_links": {
      "lcsc": "C1523940",
      "digikey": "2156-TPS2331ID-ND",
      "mouser": "595-TPS2331ID"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T14:33:54Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-TPS2331ID-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS2331ID",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GATE",
        "type": "output",
        "description": "Connects to the gate of the external high-side N-channel MOSFET; the charge pump sources about 15 μA and generates gate-to-source voltages of 9 V-12 V."
      },
      {
        "number": "2",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "3",
        "name": "TIMER",
        "type": "output",
        "description": "A capacitor on TIMER sets the circuit-breaker deglitch time; the latch sets at about 0.5 V, and a minimum 50-pF capacitor to ground is strongly recommended in high-power or high-temperature applications."
      },
      {
        "number": "4",
        "name": "VREG",
        "type": "output",
        "description": "Output of the internal low-dropout regulator, less than 5.5 V, requiring a 0.1-μF ceramic capacitor to ground for stable operation and noise rejection."
      },
      {
        "number": "5",
        "name": "VSENSE",
        "type": "input",
        "description": "Power-good sense input; PWRGD is pulled low when VSENSE falls below approximately 1.23 V."
      },
      {
        "number": "6",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground, to be connected to DGND as close as possible."
      },
      {
        "number": "7",
        "name": "ISENSE",
        "type": "input",
        "description": "Current-sense input connected to the external MOSFET drain; an overcurrent condition exists when ISENSE is pulled below ISET, and VI(ISENSE) should never exceed VI(IN)."
      },
      {
        "number": "8",
        "name": "IN",
        "type": "power_in",
        "description": "Input voltage supply for the device and the external MOSFET drive, specified for 3 V to 13 V input; VI(IN) must not be exceeded by ISENSE or ISET."
      },
      {
        "number": "9",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground, to be connected to DGND as close as possible."
      },
      {
        "number": "10",
        "name": "ISET",
        "type": "input",
        "description": "Sets the circuit-breaker threshold through an external resistor to IN with an internal 50-μA current source; VI(ISET) should never exceed VI(IN)."
      },
      {
        "number": "11",
        "name": "FAULT",
        "type": "output",
        "description": "Open-drain overcurrent fault flag that is pulled low when the TIMER reaches 0.5 V and the device latches off."
      },
      {
        "number": "12",
        "name": "PWRGD",
        "type": "output",
        "description": "Open-drain power-good output, pulled low during an undervoltage on VSENSE (reference about 1.23 V) with a 20-μs deglitch filter."
      },
      {
        "number": "13",
        "name": "ENABLE",
        "type": "input",
        "description": "Active-high enable on the TPS2331 (active-low on the TPS2330); holding it in the disabled state for more than 50 μs discharges the gate and output bulk capacitance."
      },
      {
        "number": "14",
        "name": "DISCH",
        "type": "output",
        "description": "Connects to the source of the external N-channel MOSFET to discharge the load when the MOSFET is disabled, and serves as the reference for the internal gate-clamp circuitry."
      }
    ],
    "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 numbers and names come from Table 2 (Terminal Functions) on page 2 and are consistent with the D; Pin type assignments were adjusted to KiCad ERC classes where the datasheet's I/O column differs: AG; The datasheet's terminal table lists the TPS2330 and TPS2331 with a shared pin name 'ENABLE/ENABLE' "
        ],
        "pages_sent": 8,
        "cost_usd": 0.052,
        "at": "2026-10-08T14:33:40"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tps2331.pdf",
        "pages": 29,
        "sha256": "d6a67c69fef8f4da",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tps2331id.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps2331id-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4eb42e20a3e5cc87b5ddb030859d0ea3170b99e012e2c92a755dc9e88e43be1a",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}