TNY279PN

{
  "schema_version": 1,
  "type": "component",
  "slug": "tny279pn",
  "title": "TNY279PN",
  "brief": "POWER INTEGRATIONS AC-DC Controllers and Regulators, DIP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "tny279pn"
  ],
  "component": {
    "mpn": "TNY279PN",
    "manufacturer": "POWER INTEGRATIONS",
    "package": "DIP-8",
    "pin_count": 7,
    "category": "PMIC",
    "subcategory": "AC-DC Controllers and Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/142cc898094198c853eb1747159a15b7.pdf",
    "parts": {
      "symbol": "tny279pn.kicad_sym",
      "footprint": "tny279pn.kicad_mod",
      "model_3d": "tny279pn-etched.glb",
      "model_3d_plain": "tny279pn.glb",
      "model_3d_step": "tny279pn-etched.step",
      "model_3d_step_plain": "tny279pn.step",
      "lbr": "tny279pn.lbr"
    },
    "distributor_links": {
      "lcsc": "C78259"
    },
    "pins": [
      {
        "number": "1",
        "name": "EN/UV",
        "type": "input",
        "description": "Enable/Under-Voltage input. Dual-function pin: enable input (low-impedance source follower at 1.2 V, threshold current 75-115 uA) controls MOSFET switching via optocoupler feedback, and senses line under-voltage via an external resistor to the HV DC rail."
      },
      {
        "number": "2",
        "name": "BP/M",
        "type": "power_in",
        "description": "Bypass/Multi-Function pin. Connection for external bypass capacitor for the internally generated 5.85 V supply; capacitor value (0.1/1/10 uF) also selects the current limit mode. Also provides a shutdown function when current into the pin exceeds I_SD, latching the device off until BP/M drops below 4.9 V."
      },
      {
        "number": "4",
        "name": "D",
        "type": "power_in",
        "description": "Drain pin of the internal 700 V power MOSFET. Connects to the primary side of the transformer and provides internal operating current for startup and steady-state operation via the internal high-voltage current source."
      },
      {
        "number": "5",
        "name": "S",
        "type": "power_in",
        "description": "Source pin. Internally connected to the output MOSFET source; serves as high-voltage power return and control-circuit common. Pins 5-8 are all Source and are tied together (multiple pins used for heatsinking to the PCB)."
      },
      {
        "number": "6",
        "name": "S",
        "type": "power_in",
        "description": "Source pin. Internally connected to the output MOSFET source; used together with pins 5, 7, 8 for PCB heatsinking and current return."
      },
      {
        "number": "7",
        "name": "S",
        "type": "power_in",
        "description": "Source pin. Internally connected to the output MOSFET source; used together with pins 5, 6, 8 for PCB heatsinking and current return."
      },
      {
        "number": "8",
        "name": "S",
        "type": "power_in",
        "description": "Source pin. Internally connected to the output MOSFET source; used together with pins 5, 6, 7 for PCB heatsinking and current return."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/142cc898094198c853eb1747159a15b7.pdf",
        "pages": 24,
        "sha256": "69793a75d6a0c8ba",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 7,
        "described": 7,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        0,
        0
      ],
      "corner": "bottom-right",
      "source": "fab-chamfer",
      "derived_from": "DIP-8_W7.62mm@sha256:222fb44370968119",
      "mark": "synthesised"
    },
    "models_3d": [
      {
        "file": "tny279pn.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tny279pn-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": "96f4cd65681dac3fcef885a66d9257e83fd214c057d68198a1c55811d5f9cf91",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "POWER INTEGRATIONS",
      "Package": "DIP-8",
      "Category": "PMIC",
      "Pins": "7"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tny279pn"
  ],
  "discovery_pitch": "TNY279PN (POWER INTEGRATIONS) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tny279pn.kicad_sym",
    "tny279pn.kicad_mod",
    "tny279pn.glb",
    "tny279pn.step",
    "tny279pn.lbr",
    "docs/hero.png",
    "docs/tny279pn-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pads.json",
    "tny279pn-etched.step"
  ],
  "visibility": "public",
  "description": "POWER INTEGRATIONS AC-DC Controllers and Regulators, DIP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "variants": [
    {
      "mpn": "TNY279PN",
      "kind": "packaging"
    },
    {
      "mpn": "TNY279PNP",
      "kind": "packaging"
    },
    {
      "mpn": "TNY279PNGN",
      "kind": "packaging"
    },
    {
      "mpn": "TNY279PNG",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T11:12:26.695Z"
}