TNY288DG-TL

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  "type": "component",
  "slug": "tny288dg-tl",
  "title": "TNY288DG-TL",
  "brief": "POWER INTEGRATIONS AC-DC Controllers and Regulators, SO-7. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "TNY288DG-TL",
    "manufacturer": "POWER INTEGRATIONS",
    "package": "SO-7",
    "pin_count": 7,
    "category": "PMIC",
    "subcategory": "AC-DC Controllers and Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/fb66e28c3554a4d5cb9bbbbb36b3ea16.pdf",
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      "lbr": "tny288dg-tl.lbr"
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    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "EN/UV",
        "type": "input",
        "description": "ENABLE / UNDER-VOLTAGE input. Dual-function pin: (a) enable input for ON/OFF control - threshold current 75-115 uA modulates group pulsing (source-follower output ~1.2 V, current-limited to 115 uA); (b) line under-voltage sense through an external resistor to the DC bus (must source >25 uA to enable switching). If left open, line-UV function is disabled."
      },
      {
        "number": "2",
        "name": "BP/M",
        "type": "power_in",
        "description": "BYPASS / MULTI-FUNCTION pin. Connection for the bypass capacitor charged by the internal 5.85 V regulator; capacitor value also selects the current-limit mode: 0.1 uF = standard, 1 uF = reduced (next smaller device), 10 uF = increased (next larger device). Also provides latched shutdown/OVP when current into the pin exceeds ISD (typ 6.5 mA), clamped by an internal 6.4 V shunt."
      },
      {
        "number": "4",
        "name": "D",
        "type": "power_in",
        "description": "DRAIN of the internal 725 V power MOSFET. Connects to the transformer primary; also provides internal start-up current for the controller during power-up and steady-state operation. Pin 3 is intentionally omitted in the SO-8C package for high-voltage creepage between DRAIN and the low-voltage pins."
      },
      {
        "number": "5",
        "name": "S",
        "type": "power_in",
        "description": "SOURCE. Internally connected to the output MOSFET source; serves as the high-voltage power return and the controller-circuit common (ground). Pins 5-8 are all tied to the internal SOURCE and are used to spread heat into the PCB."
      },
      {
        "number": "6",
        "name": "S",
        "type": "power_in",
        "description": "SOURCE. Internally tied to the MOSFET SOURCE (device common); paralleled with pins 5, 7, 8 for heat sinking to the PCB."
      },
      {
        "number": "7",
        "name": "S",
        "type": "power_in",
        "description": "SOURCE. Internally tied to the MOSFET SOURCE (device common); paralleled with pins 5, 6, 8 for heat sinking to the PCB."
      },
      {
        "number": "8",
        "name": "S",
        "type": "power_in",
        "description": "SOURCE. Internally tied to the MOSFET SOURCE (device common); paralleled with pins 5, 6, 7 for heat sinking to the PCB."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/fb66e28c3554a4d5cb9bbbbb36b3ea16.pdf",
        "pages": 26,
        "sha256": "9117cb81a319b0d4",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 7,
        "described": 7,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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        "seat": "z = 0",
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          4.9,
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "53b055ee4d166c0b9de551669cc1294f95b96baacbfe26d9316b576c1ce29fbf",
        "checked": "2026-10-07",
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        "checked": "2026-10-07",
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    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "POWER INTEGRATIONS",
      "Package": "SO-7",
      "Category": "PMIC",
      "Pins": "7"
    }
  },
  "variants": [
    {
      "mpn": "TNY288DG-TL",
      "kind": "packaging"
    },
    {
      "mpn": "TNY288DG-TLPG",
      "kind": "packaging"
    },
    {
      "mpn": "TNY288DG-TLKG",
      "kind": "packaging"
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  ],
  "sections": [
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  "discovery_triggers": [
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  "discovery_pitch": "TNY288DG-TL (POWER INTEGRATIONS) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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  "visibility": {
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  "updated_at": "2026-09-25T11:12:59.367Z"
}