TMF0321

{
  "slug": "tmf0321",
  "version": "0.1.0",
  "type": "component",
  "description": "TM Shenzhen Titan Micro Elec AC-DC Controllers And Regulators, DIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tmf0321",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tmf0321.kicad_sym",
    "tmf0321.kicad_mod",
    "tmf0321.glb",
    "tmf0321.step",
    "tmf0321.lbr",
    "docs/hero.png",
    "docs/tmf0321-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tmf0321-hero.glb",
    "tmf0321-hero.overlay.json",
    "tmf0321-etched.glb"
  ],
  "component": {
    "mpn": "TMF0321",
    "manufacturer": "TM Shenzhen Titan Micro Elec",
    "package": "DIP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590442791525650432",
    "parts": {
      "symbol": "tmf0321.kicad_sym",
      "footprint": "tmf0321.kicad_mod",
      "model_3d": "tmf0321-hero.glb",
      "model_3d_plain": "tmf0321-etched.glb",
      "model_3d_step": "tmf0321-etched.step",
      "model_3d_step_plain": "tmf0321.step",
      "lbr": "tmf0321.lbr"
    },
    "distributor_links": {
      "lcsc": "C5174607"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T14:37:11Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD-G",
        "type": "power_in",
        "description": "Internal driver supply input, connected to VDD through a resistor (page 2 pin table; no voltage limit is given for this pin)."
      },
      {
        "number": "2",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply input; recommended operating range is 10 to 23 V with an absolute maximum of 30 V, the IC starts above 15.5 V and VDD must not fall below 9.5 V during start-up, and overvoltage protection trips above 24 V."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Voltage feedback input connected to an external optocoupler; recommended range is 0 to 5 V with an absolute range of -0.3 to 6.0 V."
      },
      {
        "number": "4",
        "name": "CS",
        "type": "input",
        "description": "Current sense input connected to the power MOSFET source through an external sense resistor; input range is -0.3 to 5.0 V and the peak current limit threshold is 1.0 to 1.1 V."
      },
      {
        "number": "5",
        "name": "DRAIN",
        "type": "passive",
        "description": "Power MOSFET drain; the internal MOSFET has a drain-source breakdown voltage of 650 V minimum."
      },
      {
        "number": "6",
        "name": "DRAIN",
        "type": "passive",
        "description": "Power MOSFET drain (same node as pin 5); the internal MOSFET has a drain-source breakdown voltage of 650 V minimum."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the IC and system reference."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the IC and system 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: The datasheet has one pin table for both DIP8 and SOP8 packages (\"采用 DIP8，SOP8 封装\"), so the pinout i; In the page 2 power table, the TMF0321 model name sits on its own line between the unlabeled SOP8 ro; Pins 5 and 6 are listed together as \"5、6 DRAIN\" and pins 7 and 8 as \"7、8 GND\" in the source; they ar"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0469,
        "at": "2026-10-18T14:34:57"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590442791525650432",
        "pages": 11,
        "sha256": "dc61c811b036bbf2",
        "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"
    },
    "models_3d": [
      {
        "file": "tmf0321.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4a377a56a8d9e9c0b86c095ef9ecc1869ac19e7f5069a3247b294250bf4f235d",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tmf0321-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "021dfb46bdc04f3b6e5a8ef6e8c43b89f3329eb5eb4ce7f2211c3f1c20cdae8b",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}