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Ray Set visibility: public 366a618 21d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "kp421spa",
  "title": "KP421SPA",
  "brief": "Kiwi Instruments Supervisor And Reset ICs, SOP-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)",
    "kp421spa",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "KP421SPA",
    "manufacturer": "Kiwi Instruments",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Supervisor And Reset ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588943681173278720",
    "parts": {
      "symbol": "kp421spa.kicad_sym",
      "footprint": "kp421spa.kicad_mod",
      "model_3d": "kp421spa-hero.glb",
      "model_3d_plain": "kp421spa-etched.glb",
      "model_3d_step": "kp421spa-etched.step",
      "model_3d_step_plain": "kp421spa.step",
      "lbr": "kp421spa.lbr"
    },
    "distributor_links": {
      "lcsc": "C2692492"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T22:22:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DET",
        "type": "input",
        "description": "MOSFET drain-voltage detection pin; the DET clamp voltage is 2 V, and the LED short-circuit protection thresholds are 36-44 uA (trigger) and 70-100 uA (recovery)."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave floating in use."
      },
      {
        "number": "3",
        "name": "GATE",
        "type": "output",
        "description": "NMOSFET gate drive output; the gate maximum voltage is 8-12 V (typical 10 V)."
      },
      {
        "number": "4",
        "name": "CS",
        "type": "input",
        "description": "LED current-sense input; the current limit is 190-200 mV and the open-circuit detection threshold is 5-15 mV."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Chip reference ground."
      },
      {
        "number": "6",
        "name": "COMP",
        "type": "input",
        "description": "Ripple-cancellation loop compensation pin; when left floating, the compensation is fixed internally (3 uF capacitor), and with an external capacitor the COMP clamp voltage is 1.8-2.2 V."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave floating in use."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Chip supply pin; start-up voltage is 13.5-17 V, undervoltage lockout threshold is 8.5-10.5 V, and the VDD breakdown voltage is 650 V."
      }
    ],
    "provenance": {
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        "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 SOP-8 pinout was taken from the pin-function table on page 2 (SOT23-6 and SOP-8 columns). The pi; Pin types are KiCad classes mapped from the datasheet's I/O column. The datasheet lists VDD and GND ; Pin descriptions are English translations of the Chinese datasheet and include the limits stated in "
        ],
        "pages_sent": 7,
        "cost_usd": 0.0372,
        "at": "2026-10-18T22:18:42"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588943681173278720",
        "pages": 7,
        "sha256": "347cd2cd26fc92f5",
        "source_tier": "lcsc"
      },
      "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"
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        "role": "plain",
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        "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": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "1bcfc42c26e7a5e8d843f5aa4218eb985c3ecfb62d841b47c2446cd89f2579ba",
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Kiwi Instruments",
      "Package": "SOP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "347cd2cd26fc92f5e41b8c4606df70e7a7e7d450679f6fcc961b985c18971d4a",
      "rows": [
        {
          "name": "VDD input start voltage",
          "symbol": "VDDON",
          "kind": "electrical",
          "unit": "V",
          "min": 13.5,
          "typ": 16,
          "max": 17,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VDD undervoltage protection threshold",
          "symbol": "VDDOFF",
          "kind": "electrical",
          "unit": "V",
          "min": 8.5,
          "typ": 9.5,
          "max": 10.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VDD start current",
          "symbol": "IVDDST",
          "kind": "electrical",
          "unit": "uA",
          "min": 100,
          "typ": 200,
          "max": 300,
          "conditions": "VDD<VDD_ON",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VDD operating current",
          "symbol": "IVDDOp",
          "kind": "electrical",
          "unit": "uA",
          "min": 100,
          "typ": 200,
          "max": 300,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Current limit (CS voltage)",
          "symbol": "VCS_MAX",
          "kind": "electrical",
          "unit": "mV",
          "min": 190,
          "typ": 195,
          "max": 200,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Open-circuit detection threshold",
          "symbol": "VCS_MIN_L",
          "kind": "electrical",
          "unit": "mV",
          "min": 5,
          "typ": 10,
          "max": 15,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Open-circuit detection threshold hysteresis",
          "symbol": "VCS_MIN_H",
          "kind": "electrical",
          "unit": "mV",
          "min": 25,
          "typ": 30,
          "max": 35,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "GATE maximum voltage",
          "symbol": "VGATE_MAX",
          "kind": "electrical",
          "unit": "V",
          "min": 8,
          "typ": 10,
          "max": 12,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "LED short-circuit protection recovery threshold",
          "symbol": "IDETH",
          "kind": "electrical",
          "unit": "uA",
          "min": 70,
          "typ": 80,
          "max": 100,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "LED short-circuit protection threshold",
          "symbol": "IDETL",
          "kind": "electrical",
          "unit": "uA",
          "min": 36,
          "typ": 40,
          "max": 44,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "DET clamp voltage",
          "symbol": "VDETClamp",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Short-circuit protection delay",
          "symbol": "TDET1",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 0.4,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Short-circuit protection restart time",
          "symbol": "TDET2",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 500,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "COMP clamp voltage",
          "symbol": "COMPmax",
          "kind": "electrical",
          "unit": "V",
          "min": 1.8,
          "typ": 2,
          "max": 2.2,
          "conditions": "COMP 脚接电容",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Over-temperature protection trip point",
          "symbol": "TOTP",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 135,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VDD breakdown voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 650,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "CS, DET pin voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation (SOP-8)",
          "symbol": "PDmax",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.6,
          "conditions": "TA=50°C, note 2",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Chip operating junction temperature (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Pin temperature (soldering, 10 s)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "焊接 10 秒",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD capability (human body model)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 3000,
          "conditions": "人体模型",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Recommended operating junction temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction-to-ambient (SOP-8)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "oC/W",
          "min": null,
          "typ": 165,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "KP421SPA (Kiwi Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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