TP8305B-SOT236

{
  "slug": "tp8305b-sot236",
  "version": "0.1.0",
  "type": "component",
  "description": "TOPPOWER Nanjing Extension Microelectronics DC-DC Converters, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tp8305b-sot236",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tp8305b-sot236.kicad_sym",
    "tp8305b-sot236.kicad_mod",
    "tp8305b-sot236.glb",
    "tp8305b-sot236.step",
    "tp8305b-sot236.lbr",
    "docs/hero.png",
    "docs/tp8305b-sot236-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tp8305b-sot236-hero.glb",
    "tp8305b-sot236-hero.overlay.json",
    "tp8305b-sot236-etched.glb"
  ],
  "component": {
    "mpn": "TP8305B-SOT236",
    "manufacturer": "TOPPOWER Nanjing Extension Microelectronics",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590906270398967808",
    "parts": {
      "symbol": "tp8305b-sot236.kicad_sym",
      "footprint": "tp8305b-sot236.kicad_mod",
      "model_3d": "tp8305b-sot236-hero.glb",
      "model_3d_plain": "tp8305b-sot236-etched.glb",
      "model_3d_step": "tp8305b-sot236-etched.step",
      "model_3d_step_plain": "tp8305b-sot236.step",
      "lbr": "tp8305b-sot236.lbr"
    },
    "distributor_links": {
      "lcsc": "C5447154"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T07:21:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EXT",
        "type": "output",
        "description": "Drives the external NMOS switch gate, so the part can switch high-power loads; datasheet gives pull-up current 53 mA min (VDD=2V, VOH=1.6V) and pull-down current 160 mA min (VDD=2V, VOL=0.4V)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the device."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply input, operating range 0.8V to 5.5V, with internal overvoltage protection that stops the oscillator when VDD exceeds 5.8V (5.6V to 6.2V)."
      },
      {
        "number": "4",
        "name": "CE",
        "type": "input",
        "description": "Enable input: the chip runs when CE is above 0.75V and shuts down below 0.75V, and can be PWM-driven with a 500 Hz to 1 kHz, 3 V to 4 V pulse signal for LED dimming."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Constant-current sense input referenced to an internal 46 mV reference (43.7 mV to 48.3 mV), with constant current set as VFB/Rf between FB and GND."
      },
      {
        "number": "6",
        "name": "IS",
        "type": "input",
        "description": "Peak-current limit sense input referenced to an internal 50 mV reference (47 mV to 53 mV), with the input current limit set as VIS/RS between IS and GND."
      }
    ],
    "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 MPN given is TP8305B-SOT236, but the datasheet's ordering code is TP8305B-SOT26-R and the packag; The top-view pin-number drawing on page 5 is an image and its text does not show the numbering; pin "
        ],
        "pages_sent": 18,
        "cost_usd": 0.0554,
        "at": "2026-10-19T07:19:45"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590906270398967808",
        "pages": 18,
        "sha256": "39097b0f4deb8980",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tp8305b-sot236.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tp8305b-sot236-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "48ab12a049ba669d84b756542284ee9dacf823bddfb2c855bef8c9fc9dc6e8df",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}