main
Ray Set visibility: public 8bcf6bc 7h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ls1240ag-so8-r",
  "title": "LS1240AG-SO8-R",
  "brief": "UTC Unisonic Tech Gate Drivers, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "motor driver ics",
    "ls1240ag-so8-r",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LS1240AG-SO8-R",
    "manufacturer": "UTC Unisonic Tech",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Motor Driver ICs",
    "subcategory": "Gate Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588881121890852864",
    "parts": {
      "symbol": "ls1240ag-so8-r.kicad_sym",
      "footprint": "ls1240ag-so8-r.kicad_mod",
      "model_3d": "ls1240ag-so8-r-hero.glb",
      "model_3d_plain": "ls1240ag-so8-r-etched.glb",
      "model_3d_step": "ls1240ag-so8-r-etched.step",
      "model_3d_step_plain": "ls1240ag-so8-r.step",
      "lbr": "ls1240ag-so8-r.lbr"
    },
    "distributor_links": {
      "lcsc": "C127025"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T14:37:03Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "LINE",
        "type": "passive",
        "description": "Connecting pin to the B-wire of the telephone line."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "3",
        "name": "Csw",
        "type": "passive",
        "description": "Sweep rate control capacitor; the datasheet specifies the sweep frequency test condition as C1=100nF with R1=14k."
      },
      {
        "number": "4",
        "name": "Ra",
        "type": "passive",
        "description": "Output frequency control resistor; the datasheet gives a programming resistor range of 8 to 56 k."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "output",
        "description": "Buzzer output that drives a piezo-ceramic converter directly or, with a decoupling capacitor, a dynamic loudspeaker."
      },
      {
        "number": "6",
        "name": "NULL",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "7",
        "name": "Cr",
        "type": "passive",
        "description": "Rectifier capacitor for the integrated rectifier bridge."
      },
      {
        "number": "8",
        "name": "LINE",
        "type": "passive",
        "description": "Connecting pin to the A-wire of the telephone line."
      }
    ],
    "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 requested MPN is written 'LS1240AG-SO8-R' (letter O in 'SO8'). The datasheet ordering table list; The datasheet gives one pin configuration and one pin table for the device and does not state a sepa; The datasheet does not give electrical types for pins. KiCad types were assigned by me: LINE, Csw, R"
        ],
        "pages_sent": 5,
        "cost_usd": 0.0319,
        "at": "2026-10-18T14:34:42"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588881121890852864",
        "pages": 5,
        "sha256": "0d53d49022ed729a",
        "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": [
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        "file": "ls1240ag-so8-r.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ls1240ag-so8-r-etched.step",
        "role": "eda",
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        "origin": "footprint origin = pad-pattern centre",
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        "zmin_mm": 0,
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        "sha256": "0cc5d6cb4594fd019118e9506cf1b652bd9b1b23479a5fcce783981a9f0518bf",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UTC Unisonic Tech",
      "Package": "SOP-8",
      "Category": "Motor Driver ICs",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "0d53d49022ed729ac3836677597cb7a00083c87fa5ca2c6b248be33908bec406",
      "rows": [
        {
          "name": "Supply Voltage",
          "symbol": "VS",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 26,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Current Consumption without load",
          "symbol": "IB",
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          "unit": "mA",
          "min": null,
          "typ": 1.5,
          "max": 1.8,
          "conditions": "VS=9.3 to 25V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Activation Voltage",
          "symbol": "VON",
          "kind": "electrical",
          "unit": "V",
          "min": 12,
          "typ": null,
          "max": 13.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Sustaining Voltage",
          "symbol": "VOFF",
          "kind": "electrical",
          "unit": "V",
          "min": 7.8,
          "typ": null,
          "max": 9.3,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Differential Resistance in OFF Condition",
          "symbol": "RD",
          "kind": "electrical",
          "unit": "k",
          "min": null,
          "typ": 6.4,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Short Circuit Current",
          "symbol": "IOUT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 70,
          "max": null,
          "conditions": "VS=20V, RL=250",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Frequency 1",
          "symbol": "fOUT1",
          "kind": "electrical",
          "unit": "kHz",
          "min": 1.55,
          "typ": null,
          "max": 2.53,
          "conditions": "Vs=26V,R1=14k; V3=0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Frequency 2",
          "symbol": "fOUT2",
          "kind": "electrical",
          "unit": "kHz",
          "min": 1.08,
          "typ": null,
          "max": 1.9,
          "conditions": "Vs=26V,R1=14k; V3=6V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Fout1/Fout2 ratio",
          "symbol": "Fout1/Fout2",
          "kind": "electrical",
          "unit": "",
          "min": 1.33,
          "typ": null,
          "max": 1.43,
          "conditions": "Vs=26V,R1=14k",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Programming Resistor Range",
          "symbol": "",
          "kind": "electrical",
          "unit": "k",
          "min": 8,
          "typ": null,
          "max": 56,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Sweep Frequency",
          "symbol": "",
          "kind": "electrical",
          "unit": "Hz",
          "min": 5.25,
          "typ": 7.5,
          "max": 9.75,
          "conditions": "C1=100nF,R1=14k",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Calling Voltage (f=50Hz) Continuous",
          "symbol": "VAB",
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          "unit": "VRMS",
          "min": null,
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          "max": 120,
          "conditions": "f=50Hz",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Calling Voltage (f=50Hz) (5s ON/10s OFF)",
          "symbol": "VAB",
          "kind": "absolute_maximum",
          "unit": "VRMS",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "f=50Hz, 5s ON/10s OFF",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Current",
          "symbol": "IDC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature",
          "symbol": "TOPR",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": -40,
          "typ": null,
          "max": 70,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction to Ambient (SOP-8)",
          "symbol": "JA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "SOP-8",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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  "discovery_triggers": [
    "ls1240ag-so8-r"
  ],
  "discovery_pitch": "LS1240AG-SO8-R (UTC Unisonic Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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}