TPS2301IPWR

{
  "slug": "tps2301ipwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Surge Protection Devices (SPDs), TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "circuit protection",
    "tps2301ipwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps2301ipwr.kicad_sym",
    "tps2301ipwr.kicad_mod",
    "tps2301ipwr.glb",
    "tps2301ipwr.step",
    "tps2301ipwr.lbr",
    "docs/hero.png",
    "docs/tps2301ipwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps2301ipwr-hero.glb",
    "tps2301ipwr-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS2301IPWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "Circuit Protection",
    "subcategory": "Surge Protection Devices (SPDs)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps2301",
    "parts": {
      "symbol": "tps2301ipwr.kicad_sym",
      "footprint": "tps2301ipwr.kicad_mod",
      "model_3d": "tps2301ipwr-hero.glb",
      "model_3d_plain": "tps2301ipwr.glb",
      "model_3d_step": "tps2301ipwr-etched.step",
      "model_3d_step_plain": "tps2301ipwr.step",
      "lbr": "tps2301ipwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2862822",
      "digikey": "TPS2301IPWR-ND",
      "mouser": "595-TPS2301IPWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T10:58:35Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "TPS2301IPWR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS2301IPWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GATE1",
        "type": "output",
        "description": "Connects to the gate of the channel 1 high-side external N-channel MOSFET; the internal charge pump sources approximately 15 µA to pull it up and generates 9 V-12 V gate-to-source."
      },
      {
        "number": "2",
        "name": "GATE2",
        "type": "output",
        "description": "Connects to the gate of the channel 2 high-side external N-channel MOSFET; the internal charge pump sources approximately 15 µA to pull it up and generates 9 V-12 V gate-to-source."
      },
      {
        "number": "3",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground; all device voltages are referenced to DGND."
      },
      {
        "number": "4",
        "name": "TIMER",
        "type": "output",
        "description": "Sets the circuit-breaker deglitch time through a capacitor to ground (minimum 50 pF recommended); the circuit-breaker latches off when TIMER reaches approximately 0.5 V."
      },
      {
        "number": "5",
        "name": "VREG",
        "type": "output",
        "description": "Output of the internal low-dropout regulator (input IN1), less than 5.5 V, that requires a 0.1-µF ceramic capacitor to ground for noise rejection."
      },
      {
        "number": "6",
        "name": "VSENSE2",
        "type": "input",
        "description": "Power-good sense input for channel 2; a voltage below approximately 1.23 V pulls PWRGD2 low."
      },
      {
        "number": "7",
        "name": "VSENSE1",
        "type": "input",
        "description": "Power-good sense input for channel 1; a voltage below approximately 1.23 V pulls PWRGD1 low."
      },
      {
        "number": "8",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground, connected to DGND as close as possible."
      },
      {
        "number": "9",
        "name": "ISENSE2",
        "type": "input",
        "description": "Channel 2 current-sense input; an overcurrent is assumed if ISENSE2 is pulled below ISET2, and it should never exceed VI(IN2)."
      },
      {
        "number": "10",
        "name": "ISENSE1",
        "type": "input",
        "description": "Channel 1 current-sense input; an overcurrent is assumed if ISENSE1 is pulled below ISET1, and it should never exceed VI(IN1)."
      },
      {
        "number": "11",
        "name": "IN1",
        "type": "input",
        "description": "Input voltage for channel 1 that also supplies the device operating current; channel 1 supports 3-V, 5-V, or 12-V operation."
      },
      {
        "number": "12",
        "name": "IN2",
        "type": "input",
        "description": "Input voltage for channel 2, which supports 3-V or 5-V operation."
      },
      {
        "number": "13",
        "name": "PWRGD2",
        "type": "output",
        "description": "Open-drain output asserted low when VSENSE2 is below the reference (about 1.23 V); it is pulled up to its pullup rail in disable mode."
      },
      {
        "number": "14",
        "name": "ISET2",
        "type": "input",
        "description": "Sets the channel 2 circuit-breaker threshold through an external resistor to IN2; an internal 50-µA current source draws from this pin."
      },
      {
        "number": "15",
        "name": "ISET1",
        "type": "input",
        "description": "Sets the channel 1 circuit-breaker threshold through an external resistor to IN1; an internal 50-µA current source draws from this pin."
      },
      {
        "number": "16",
        "name": "FAULT",
        "type": "output",
        "description": "Open-drain overcurrent fault output that is pulled low when a sustained overcurrent latches off a channel."
      },
      {
        "number": "17",
        "name": "PWRGD1",
        "type": "output",
        "description": "Open-drain output asserted low when VSENSE1 is below the reference (about 1.23 V); it is pulled up to its pullup rail in disable mode."
      },
      {
        "number": "18",
        "name": "ENABLE",
        "type": "input",
        "description": "Active-high enable input on the TPS2301 (CMOS- and TTL-compatible); pulling it low for more than 50 µs discharges the MOSFET gates and output bulk capacitance."
      },
      {
        "number": "19",
        "name": "DISCH2",
        "type": "output",
        "description": "Discharge transistor for channel 2; connects to the source of the channel 2 external MOSFET and serves as the gate-clamp reference."
      },
      {
        "number": "20",
        "name": "DISCH1",
        "type": "output",
        "description": "Discharge transistor for channel 1; connects to the source of the channel 1 external MOSFET and serves as the gate-clamp reference."
      }
    ],
    "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 prints the pin name as 'ENABLE/ENABLE' (combined for TPS2300/TPS2301). For the TPS2301 the d; Table 2 classifies DGND and AGND as 'I'; typed as power_in per the KiCad GND convention requested.; The datasheet lists TIMER and VREG as 'O' (outputs) in Table 2; they are kept as output, though VREG"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0595,
        "at": "2026-10-11T10:58:17"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps2301",
        "pages": 29,
        "sha256": "8360d0297aba9fa0",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tps2301ipwr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          6.5,
          1.2
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "97339947f3a7196470ec2f1d9f9b92bb2fc2ab66ad53be0cf105192585ef3c9a",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps2301ipwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          6.5,
          1.2
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4c820eaad9f3e0bfbcf27535a99a3ab8afa41234e8f0c6a36cb252e25015e776",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}