TC7340

{
  "slug": "tc7340",
  "version": "0.1.0",
  "type": "component",
  "description": "Shenzhen Fuman AC-DC Controllers & Regulators, DIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "tc7340",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tc7340.kicad_sym",
    "tc7340.kicad_mod",
    "tc7340.glb",
    "tc7340.step",
    "tc7340.lbr",
    "docs/hero.png",
    "docs/tc7340-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tc7340-hero.glb",
    "tc7340-hero.overlay.json",
    "tc7340-etched.glb"
  ],
  "component": {
    "mpn": "TC7340",
    "manufacturer": "Shenzhen Fuman",
    "package": "DIP-8",
    "pin_count": 8,
    "category": "Power Management ICs",
    "subcategory": "AC-DC Controllers & Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/416186320048beacbb8b66acb8fe907e.pdf",
    "parts": {
      "symbol": "tc7340.kicad_sym",
      "footprint": "tc7340.kicad_mod",
      "model_3d": "tc7340-hero.glb",
      "model_3d_plain": "tc7340-etched.glb",
      "model_3d_step": "tc7340-etched.step",
      "model_3d_step_plain": "tc7340.step",
      "lbr": "tc7340.lbr"
    },
    "distributor_links": {
      "lcsc": "C2931994"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T00:53:38Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD-G",
        "type": "power_in",
        "description": "Internal gate-driver supply terminal; the datasheet gives an absolute maximum input voltage of -0.3 V to 30 V and says gate drive strength can be tuned by a resistor between VDD and VDD-G."
      },
      {
        "number": "2",
        "name": "VDD",
        "type": "power_in",
        "description": "Main supply pin, normally powered from the transformer auxiliary winding; it is rated -0.3 V to 30 V absolute maximum, clamps at 30.5 V typical at 10 mA, and enters UVLO at 8.4-10.4 V (on) and 14.2-16.2 V (off)."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback input for the PWM duty-cycle control and overload detection; absolute maximum voltage is -0.3 V to 7 V, with 4.9 V typical open-circuit voltage and an overload threshold of 3.85 V."
      },
      {
        "number": "4",
        "name": "SENSE",
        "type": "input",
        "description": "Current-sense input for peak-current limiting and cycle-by-cycle protection; absolute maximum voltage is -0.3 V to 7 V, with an overcurrent threshold of 0.77 V typical (0.72-0.82 V) and 40 kΩ input impedance."
      },
      {
        "number": "5",
        "name": "DRAIN",
        "type": "output",
        "description": "Drain of the internal high-voltage power MOSFET; rated 650 V breakdown (absolute maximum drain voltage -0.3 V to 650 V), 2.2 Ω typical RDS(on), and 2 A peak drain current."
      },
      {
        "number": "6",
        "name": "DRAIN",
        "type": "output",
        "description": "Drain of the internal high-voltage power MOSFET, bonded in parallel with pin 5; rated 650 V breakdown, 2.2 Ω typical RDS(on), and 2 A peak drain current."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the controller."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the controller, bonded in parallel with pin 7."
      }
    ],
    "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 datasheet lists these as a combined entry '5/6 DRAIN'; they are split into two rows here with th; The datasheet lists these as a combined entry '7/8 GND'; they are split into two rows here. The 'bon; The pin-diagram graphic on page 1 is garbled in the text extraction, so pin positions were taken fro"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0346,
        "at": "2026-10-31T00:53:28"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/416186320048beacbb8b66acb8fe907e.pdf",
        "pages": 7,
        "sha256": "7bb5e1076045cfe2",
        "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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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4a377a56a8d9e9c0b86c095ef9ecc1869ac19e7f5069a3247b294250bf4f235d",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tc7340-etched.step",
        "role": "eda",
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        "extents_mm": [
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        "sha256": "1f4a13e223d303fc88c4b92b1c4710eee4e333c414440035425faac83ef0d578",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  }
}