LSF0108PWR

{
  "schema_version": 1,
  "type": "component",
  "slug": "lsf0108pwr",
  "title": "LSF0108PWR",
  "brief": "Texas Instruments Translators / Level Shifters, TSSOP-20. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "logic",
    "lsf0108pwr"
  ],
  "component": {
    "mpn": "LSF0108PWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "Logic",
    "subcategory": "Translators / Level Shifters",
    "datasheet": "https://www.ti.com/lit/ds/symlink/lsf0108.pdf",
    "parts": {
      "symbol": "lsf0108pwr.kicad_sym",
      "footprint": "lsf0108pwr.kicad_mod",
      "model_3d": "lsf0108pwr-etched.glb",
      "model_3d_plain": "lsf0108pwr.glb",
      "model_3d_step": "lsf0108pwr-etched.step",
      "model_3d_step_plain": "lsf0108pwr.step",
      "lbr": "lsf0108pwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C190219"
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "2",
        "name": "Vref_A",
        "type": "power_in",
        "description": "Reference supply voltage for the low-voltage (A) side. Operational range 0.65 V to (Vref_B - 0.6 V), max 5.5 V. Sets the A-side pass-FET bias level."
      },
      {
        "number": "3",
        "name": "A1",
        "type": "bidirectional",
        "description": "Auto-bidirectional data port channel 1, A-side (low-voltage side). Connects through internal pass-FET switch to B1. Operating I/O range 0 to 5.5 V."
      },
      {
        "number": "4",
        "name": "A2",
        "type": "bidirectional",
        "description": "Auto-bidirectional data port channel 2, A-side. Connects through internal pass-FET switch to B2."
      },
      {
        "number": "5",
        "name": "A3",
        "type": "bidirectional",
        "description": "Auto-bidirectional data port channel 3, A-side. Connects through internal pass-FET switch to B3."
      },
      {
        "number": "6",
        "name": "A4",
        "type": "bidirectional",
        "description": "Auto-bidirectional data port channel 4, A-side. Connects through internal pass-FET switch to B4."
      },
      {
        "number": "7",
        "name": "A5",
        "type": "bidirectional",
        "description": "Auto-bidirectional data port channel 5, A-side. Connects through internal pass-FET switch to B5."
      },
      {
        "number": "8",
        "name": "A6",
        "type": "bidirectional",
        "description": "Auto-bidirectional data port channel 6, A-side. Connects through internal pass-FET switch to B6."
      },
      {
        "number": "9",
        "name": "A7",
        "type": "bidirectional",
        "description": "Auto-bidirectional data port channel 7, A-side. Connects through internal pass-FET switch to B7."
      },
      {
        "number": "10",
        "name": "A8",
        "type": "bidirectional",
        "description": "Auto-bidirectional data port channel 8, A-side. Connects through internal pass-FET switch to B8."
      },
      {
        "number": "11",
        "name": "B8",
        "type": "bidirectional",
        "description": "Auto-bidirectional data port channel 8, B-side (high-voltage side). Connects through internal pass-FET switch to A8."
      },
      {
        "number": "12",
        "name": "B7",
        "type": "bidirectional",
        "description": "Auto-bidirectional data port channel 7, B-side. Connects through internal pass-FET switch to A7."
      },
      {
        "number": "13",
        "name": "B6",
        "type": "bidirectional",
        "description": "Auto-bidirectional data port channel 6, B-side. Connects through internal pass-FET switch to A6."
      },
      {
        "number": "14",
        "name": "B5",
        "type": "bidirectional",
        "description": "Auto-bidirectional data port channel 5, B-side. Connects through internal pass-FET switch to A5."
      },
      {
        "number": "15",
        "name": "B4",
        "type": "bidirectional",
        "description": "Auto-bidirectional data port channel 4, B-side. Connects through internal pass-FET switch to A4."
      },
      {
        "number": "16",
        "name": "B3",
        "type": "bidirectional",
        "description": "Auto-bidirectional data port channel 3, B-side. Connects through internal pass-FET switch to A3."
      },
      {
        "number": "17",
        "name": "B2",
        "type": "bidirectional",
        "description": "Auto-bidirectional data port channel 2, B-side. Connects through internal pass-FET switch to A2."
      },
      {
        "number": "18",
        "name": "B1",
        "type": "bidirectional",
        "description": "Auto-bidirectional data port channel 1, B-side. Connects through internal pass-FET switch to A1."
      },
      {
        "number": "19",
        "name": "Vref_B",
        "type": "power_in",
        "description": "Reference supply voltage for the high-voltage (B) side. Must be between Vref_A + 0.6 V and 5.5 V. Sets the B-side pass-FET bias level."
      },
      {
        "number": "20",
        "name": "EN",
        "type": "input",
        "description": "Enable input; when high enables the pass-FET switches, when low forces I/O pins to high impedance. Connect to Vref_B through a ~200 kΩ bias resistor. Switch-mode enable voltage is 1.5 V to 5.5 V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/lsf0108.pdf",
        "pages": 36,
        "sha256": "9ebaeb18807278a1",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.8625,
        -2.925
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "TSSOP-20_4.4x6.5mm_P0.65mm@sha256:b7ca3a31dd45c122",
      "mark": "drawn"
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          6.5,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "97339947f3a7196470ec2f1d9f9b92bb2fc2ab66ad53be0cf105192585ef3c9a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lsf0108pwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          6.5,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "aa83c3c740c7137aab73c01ef61c6e5c16bfd7114ef7c1557de7907d2f360439",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-20",
      "Category": "Logic",
      "Pins": "20"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lsf0108pwr"
  ],
  "discovery_pitch": "LSF0108PWR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lsf0108pwr.kicad_sym",
    "lsf0108pwr.kicad_mod",
    "lsf0108pwr.glb",
    "lsf0108pwr.step",
    "lsf0108pwr-etched.step",
    "lsf0108pwr.lbr",
    "docs/hero.png",
    "docs/lsf0108pwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "LSF0108PWR",
      "kind": "packaging"
    },
    {
      "mpn": "LSF0108PWRDGS",
      "kind": "packaging"
    },
    {
      "mpn": "LSF0108PWRDGSR",
      "kind": "packaging"
    },
    {
      "mpn": "LSF0108PWRRKS",
      "kind": "packaging"
    },
    {
      "mpn": "LSF0108PWRRKSR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T18:10:14.432Z"
}