main
Ray Set visibility: public 25efe65 2d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "tc7660eoa",
  "title": "TC7660EOA",
  "brief": "Microchip Tech DC-DC Converters, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "manufacturer": "Microchip Tech",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 791 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
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      {
        "number": "2",
        "name": "CAP+",
        "type": "passive",
        "description": "Positive terminal of the charge pump (flying) capacitor, used to transfer charge from the input source to the output; a low-ESR capacitor is recommended."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground terminal, the input and output zero volt reference."
      },
      {
        "number": "4",
        "name": "CAP-",
        "type": "passive",
        "description": "Negative terminal of the charge pump (flying) capacitor; correct orientation is imperative when using a polarized capacitor."
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      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
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      },
      {
        "number": "6",
        "name": "LV",
        "type": "input",
        "description": "Low voltage pin that ensures proper internal oscillator operation below 3.5V; connect to GND for V+ below 3.5V, otherwise leave floating."
      },
      {
        "number": "7",
        "name": "OSC",
        "type": "input",
        "description": "Oscillator control input; bypass with an external capacitor to ground to slow the oscillator (nominal 10 kHz), or overdrive it to speed it up."
      },
      {
        "number": "8",
        "name": "V+",
        "type": "power_in",
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      }
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 20,
        "cost_usd": 0.1386,
        "at": "2026-10-23T21:36:04"
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        "pages": 20,
        "sha256": "6002a8cdc2b164f1",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "SOIC-8",
      "Category": "Power Supply Chip",
      "Pins": "8"
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    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "6002a8cdc2b164f1fcb495f2550fbb8d2078e5126e0a33fb8fd6d71eab9c62a8",
      "rows": [
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          "symbol": "I+",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 80,
          "max": 180,
          "conditions": "V+ = 5V, RL = ∞, over operating temperature range",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage Range, High",
          "symbol": "V+H",
          "kind": "electrical",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 10,
          "conditions": "Min TA to Max, RL = 10 kΩ, LV Open",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage Range, Low",
          "symbol": "V+L",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": 3.5,
          "conditions": "Min TA to Max, RL = 10 kΩ, LV to GND",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Output Source Resistance",
          "symbol": "ROUT",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 70,
          "max": 100,
          "conditions": "IOUT = 20 mA, TA = +25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Source Resistance (E and I Device)",
          "symbol": "ROUT",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 130,
          "conditions": "IOUT = 20 mA, TA ≤ +85°C (E and I Device)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Efficiency",
          "symbol": "PEFF",
          "kind": "electrical",
          "unit": "%",
          "min": 95,
          "typ": 98,
          "max": null,
          "conditions": "RL = 5 kΩ",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Voltage Conversion Efficiency",
          "symbol": "VOUTEFF",
          "kind": "electrical",
          "unit": "%",
          "min": 97,
          "typ": 99.9,
          "max": null,
          "conditions": "RL = ∞",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Oscillator Frequency",
          "symbol": "fOSC",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "Pin 7 open",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Oscillator Impedance",
          "symbol": "ZOSC",
          "kind": "electrical",
          "unit": "MΩ",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "V+ = 2V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Oscillator Impedance",
          "symbol": "ZOSC",
          "kind": "electrical",
          "unit": "kΩ",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "V+ = 5V",
          "source_page": 2,
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        {
          "name": "Supply Voltage",
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          "kind": "absolute_maximum",
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          "conditions": "",
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        {
          "name": "Current into LV",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "V+ > 3.5V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range, E Suffix",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "E Suffix",
          "source_page": 2,
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        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 160,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD protection on all pins (HBM)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "HBM",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
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      ]
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  "discovery_triggers": [
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  "discovery_pitch": "TC7660EOA (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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