TC7660M

{
  "schema_version": 1,
  "type": "component",
  "slug": "tc7660m",
  "title": "TC7660M",
  "brief": "HGSEMI DC-DC Converters, 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",
    "power management (pmic)",
    "tc7660m",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TC7660M",
    "manufacturer": "HGSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757211560974929920",
    "parts": {
      "symbol": "tc7660m.kicad_sym",
      "footprint": "tc7660m.kicad_mod",
      "model_3d": "tc7660m-hero.glb",
      "model_3d_plain": "tc7660m-etched.glb",
      "model_3d_step": "tc7660m-etched.step",
      "model_3d_step_plain": "tc7660m.step",
      "lbr": "tc7660m.lbr"
    },
    "distributor_links": {
      "lcsc": "C512761"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T15:57:25Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; the datasheet lists this pin as not connected."
      },
      {
        "number": "2",
        "name": "CAP+",
        "type": "passive",
        "description": "Positive terminal of the external pump capacitor C1, charged to V+ during the first half cycle."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "4",
        "name": "CAP-",
        "type": "passive",
        "description": "Negative terminal of the external pump capacitor C1, shifted to -V+ during the second half cycle."
      },
      {
        "number": "5",
        "name": "Vout",
        "type": "power_out",
        "description": "Negative voltage output (nominally -V+); do not short the output to V+ above 5.5V for extended periods."
      },
      {
        "number": "6",
        "name": "LV",
        "type": "input",
        "description": "Low-voltage selection pin: connect to GND to disable the internal regulator for better low-voltage operation, and leave open for supply voltages above 3.5V."
      },
      {
        "number": "7",
        "name": "OSC",
        "type": "passive",
        "description": "Oscillator pin: left open for the nominal 10 kHz frequency, or connect an external capacitor to ground to lower the oscillator frequency."
      },
      {
        "number": "8",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply input, 2.5V to 9V operating range (absolute maximum input voltage +9V)."
      }
    ],
    "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 datasheet's pin table (page 2, SOP8/DIP8/MSOP8 column) gives names and functions but no electric; The LV pin's operating limits are given in the absolute maximum table as a voltage range that depend; The OSC pin's type is inferred from the datasheet's description of an external oscillator capacitor "
        ],
        "pages_sent": 12,
        "cost_usd": 0.0399,
        "at": "2026-10-18T15:54:38"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757211560974929920",
        "pages": 12,
        "sha256": "bf1e0e914f19840a",
        "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": [
      {
        "file": "tc7660m.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": "tc7660m-etched.step",
        "role": "eda",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "zmin_mm": 0,
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        "sha256": "f5aefd3a67aa4b395d4bcf94520ec5e8ab9aa7c456e64995d6b4254a79d65e8b",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HGSEMI",
      "Package": "SOP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "bf1e0e914f19840a3ed324c843cd98a29ad5943102f14ef563fefb07241c14f5",
      "rows": [
        {
          "name": "Power Efficiency",
          "symbol": "PEFF",
          "kind": "electrical",
          "unit": "%",
          "min": 95,
          "typ": 98,
          "max": null,
          "conditions": "RL=5kΩ",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Voltage Conversion Efficiency",
          "symbol": "VOUTEFF",
          "kind": "electrical",
          "unit": "%",
          "min": 98,
          "typ": 99.9,
          "max": null,
          "conditions": "RL=∞",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Current",
          "symbol": "I+",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 40,
          "max": 100,
          "conditions": "RL=∞",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage, High",
          "symbol": "V+H",
          "kind": "electrical",
          "unit": "V",
          "min": 3.5,
          "typ": null,
          "max": 8,
          "conditions": "LV Open",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage, Low",
          "symbol": "V+L",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 3.5,
          "conditions": "LV to GND",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Resistance",
          "symbol": "ROUT",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 70,
          "max": null,
          "conditions": "IOUT=20mA, TA=25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Resistance",
          "symbol": "ROUT",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 120,
          "max": null,
          "conditions": "IOUT=5mA, V+=3V, TA=25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 9,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "LV pin input current",
          "symbol": "ILV",
          "kind": "absolute_maximum",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "V+>3.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Total Power Dissipation (SOP8)",
          "symbol": "Pd",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 470,
          "conditions": "TA≤75℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Ambient Temperature",
          "symbol": "TOpr",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -25,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Soldering temperature and time",
          "symbol": "Tsolder",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10s",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (Soldering)",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 seconds",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
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  "discovery_triggers": [
    "tc7660m"
  ],
  "discovery_pitch": "TC7660M (HGSEMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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}