TD1730

{
  "slug": "td1730",
  "version": "0.1.0",
  "type": "component",
  "description": "Techcode Semicon AC-DC Controllers & Regulators, TDFN-10-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "td1730",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "td1730.kicad_sym",
    "td1730.kicad_mod",
    "td1730.glb",
    "td1730.step",
    "td1730.lbr",
    "docs/hero.png",
    "docs/td1730-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "td1730-hero.glb",
    "td1730-hero.overlay.json",
    "td1730-etched.glb"
  ],
  "component": {
    "mpn": "TD1730",
    "manufacturer": "Techcode Semicon",
    "package": "TDFN-10-EP(3x3)",
    "pin_count": 11,
    "category": "Power Management ICs",
    "subcategory": "AC-DC Controllers & Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/28ca493f45eaedb3a85a28010701912b.pdf",
    "parts": {
      "symbol": "td1730.kicad_sym",
      "footprint": "td1730.kicad_mod",
      "model_3d": "td1730-hero.glb",
      "model_3d_plain": "td1730-etched.glb",
      "model_3d_step": "td1730-etched.step",
      "model_3d_step_plain": "td1730.step",
      "lbr": "td1730.lbr"
    },
    "distributor_links": {
      "lcsc": "C190600"
    },
    "distributor_check": {
      "checked_at": "2026-11-07T02:01:15Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "POK",
        "type": "output",
        "description": "Open-drain power-good output indicating output voltage status, to be connected to +5V through a pull-high resistor."
      },
      {
        "number": "2",
        "name": "OCSET",
        "type": "passive",
        "description": "Current-limit threshold setting pin that sources 10 uA through a resistor to GND to monitor the low-side MOSFET drain-source voltage drop."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable input of the PWM controller, enabled above 1.8V and in shutdown below 0.5V with only low leakage current taken from VCC and VIN."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Output voltage feedback pin connected to the resistive divider that sets the output voltage, also monitored by the POK, UVP and OVP circuits."
      },
      {
        "number": "5",
        "name": "RF",
        "type": "input",
        "description": "Switching frequency setting pin using resistor RRF (Table 1), where pulling to GND selects automatic PFM/PWM mode and pulling high to POK selects forced PWM mode."
      },
      {
        "number": "6",
        "name": "LGATE",
        "type": "output",
        "description": "Low-side MOSFET driver output connected to the low-side MOSFET gate, swinging from GND to VCC."
      },
      {
        "number": "7",
        "name": "VCC",
        "type": "power_in",
        "description": "Control circuitry supply input of +5V (4.5V to 5.5V recommended), decoupled with at least 1uF MLCC to GND."
      },
      {
        "number": "8",
        "name": "PHASE",
        "type": "bidirectional",
        "description": "Junction of the high-side MOSFET source, output inductor and low-side MOSFET drain, serving as the lower supply rail for the UGATE driver."
      },
      {
        "number": "9",
        "name": "UGATE",
        "type": "output",
        "description": "High-side MOSFET driver output connected to the gate of the high-side MOSFET."
      },
      {
        "number": "10",
        "name": "BOOT",
        "type": "power_in",
        "description": "Supply input for the UGATE driver and internal level shifter, connected to an external bootstrap capacitor to drive a logic-level N-channel MOSFET."
      },
      {
        "number": "11",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The exposed pad has no pin number in the datasheet (printed as 'Exposed Pad'). The TDFN2x2 column li; The datasheet gives no pin types. I inferred them from the descriptions: PHASE as bidirectional, OCS"
        ],
        "pages_sent": 17,
        "cost_usd": 0.0952,
        "at": "2026-11-07T02:01:06"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/28ca493f45eaedb3a85a28010701912b.pdf",
        "pages": 17,
        "sha256": "be3f475cbbb945c7",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 11,
        "described": 11,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "td1730.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          2.98,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "738e2eb45860c11759f8e4f44ab26932b7c15e4d5d6c8c9ac22ae866a3e38711",
        "checked": "2026-11-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "td1730-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          2.98,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ecc1761c5efa3004699f26673650d60a2c3df648e7cb4f705ca136a1b15def73",
        "checked": "2026-11-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}