TPS2331IPWR

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps2331ipwr",
  "title": "TPS2331IPWR",
  "brief": "Texas Instruments Supervisor And Reset ICs, TSSOP-14. 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)",
    "tps2331ipwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TPS2331IPWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "Power Management (PMIC)",
    "subcategory": "Supervisor And Reset ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps2330",
    "parts": {
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      "footprint": "tps2331ipwr.kicad_mod",
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      "model_3d_plain": "tps2331ipwr.glb",
      "model_3d_step": "tps2331ipwr-etched.step",
      "model_3d_step_plain": "tps2331ipwr.step",
      "lbr": "tps2331ipwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2653589",
      "digikey": "296-26920-2-ND",
      "mouser": "595-TPS2331IPWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T07:33:03Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-26920-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS2331IPWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GATE",
        "type": "output",
        "description": "Connects to the gate of the external N-channel high-side MOSFET; the charge pump sources about 15 μA and generates 9 V-12 V gate-to-source across the MOSFET."
      },
      {
        "number": "2",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground for the device."
      },
      {
        "number": "3",
        "name": "TIMER",
        "type": "output",
        "description": "A capacitor on TIMER sets how long the power switch may stay in overcurrent before latching off, and a minimum 50-pF capacitor to ground is strongly recommended in high-power or high-temperature applications to prevent false triggering."
      },
      {
        "number": "4",
        "name": "VREG",
        "type": "output",
        "description": "Output of the internal low-dropout regulator, less than 5.5 V, which requires a 0.1-μF ceramic bypass capacitor to ground for noise rejection and stable operation."
      },
      {
        "number": "5",
        "name": "VSENSE",
        "type": "input",
        "description": "Power-good sense input that pulls PWRGD low when the voltage sensed is below the reference of 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 MOSFET drain; an overcurrent condition is assumed when ISENSE is pulled below ISET, and ISENSE and ISET must never exceed VI(IN)."
      },
      {
        "number": "8",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply that powers the device and should be connected to the power source driving the external MOSFET; the device supports 3-V, 5-V, or 12-V operation within a 3 V to 13 V input range."
      },
      {
        "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 connected to IN, with an internal 50-μA current source drawn from this pin and VI(ISET) never exceeding VI(IN)."
      },
      {
        "number": "11",
        "name": "FAULT",
        "type": "output",
        "description": "Open-drain overcurrent fault flag that goes low and latches the device off when TIMER reaches 0.5 V; the device restarts only after ENABLE is toggled or input power is cycled."
      },
      {
        "number": "12",
        "name": "PWRGD",
        "type": "output",
        "description": "Open-drain power-good output that is pulled low when VSENSE is below about 1.23 V, with a 20-μs deglitch filter and pulled up to its pull-up rail in disable mode."
      },
      {
        "number": "13",
        "name": "ENABLE",
        "type": "input",
        "description": "Active-high enable input on the TPS2331 (active-low on the TPS2330); pulling it to the disabled state for more than 50 μs discharges the gate at a controlled rate and enables the output discharge transistor."
      },
      {
        "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 also serves as the reference for the internal gate-voltage clamp."
      }
    ],
    "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: Table 2 classifies AGND and DGND as 'I'; per the KiCad convention used here they are typed as power_; Table 2 classifies TIMER as an output ('O'), but the pin is functionally a timing-capacitor node; th; Datasheet pin name is 'ENABLE/ENABLE'; pin 13 is active-high on TPS2331 and active-low on TPS2330. P"
        ],
        "pages_sent": 8,
        "cost_usd": 0.049,
        "at": "2026-10-11T07:32:46"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps2330",
        "pages": 29,
        "sha256": "d6a67c69fef8f4da",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3ee5786aae56190997aa793ba3cfc003fd616782770e29719b4562f012982245",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps2331ipwr-etched.step",
        "role": "eda",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "9313da256b841b7b1a40c3129ff8f6dbe3e3c9fdd2bb5a17c87492a84667038d",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-14",
      "Category": "Power Management (PMIC)",
      "Pins": "14"
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "tps2331ipwr"
  ],
  "discovery_pitch": "TPS2331IPWR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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}