main
Ray Brief states the pinout check that actually ran (was an unconditional "Datasheet-verified pinout") 3f950ff 11d ago
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  "slug": "ts391ag-af5-r",
  "title": "TS391AG-AF5-R",
  "brief": "UTC Unisonic Tech Comparators, SOT-25-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
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    "package": "SOT-25-5",
    "pin_count": 5,
    "category": "Op-amp/Cmp",
    "subcategory": "Comparators",
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    "distributor_links": {
      "lcsc": "C73284"
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    "pins": [
      {
        "number": "1",
        "name": "IN(+)",
        "type": "input",
        "description": "Non-inverting comparator input. Input common-mode range includes ground and extends up to VCC-1.5V; may go to +30V without damage. Input bias current is typ. 25 nA (out of the pin due to PNP input stage)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground / negative supply reference. In single-supply operation, tie to 0V; in dual-supply operation, tie to the negative rail (down to -18V)."
      },
      {
        "number": "3",
        "name": "IN(-)",
        "type": "input",
        "description": "Inverting comparator input. Same common-mode constraints as IN(+); differential input voltage range equals the supply voltage (up to ±36V)."
      },
      {
        "number": "4",
        "name": "Output",
        "type": "output",
        "description": "Open-collector comparator output. Requires an external pull-up resistor to VCC (or another logic rail up to +36V). Low-level output voltage is typ. 250 mV at IOUT=4 mA; sink capability is typ. 16 mA. Compatible with TTL, DTL, ECL and CMOS."
      },
      {
        "number": "5",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply pin. Single-supply range +2V to +36V, or ±1V to ±18V split supply. Supply current is typ. 0.2 mA at VCC=5V and independent of supply voltage."
      }
    ],
    "provenance": {
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      "datasheet": {
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        "pages": 6,
        "sha256": "148a7cf2cdeb20cf",
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    "pin1": {
      "pad": "1",
      "at": [
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      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-5@sha256:455a3f7c3e5eb5b8",
      "mark": "drawn"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "UTC Unisonic Tech",
      "Package": "SOT-25-5",
      "Category": "Op-amp/Cmp",
      "Pins": "5"
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "TS391AG-AF5-R (UTC Unisonic Tech) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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  "variants": [
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      "mpn": "TS391AG-AF5-R",
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      "mpn": "TS391AG-AL5-R",
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  "updated_at": "2026-09-25T12:59:50.548Z"
}