TC7662BCPA

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  "type": "component",
  "slug": "tc7662bcpa",
  "title": "TC7662BCPA",
  "brief": "Microchip Tech DC-DC Converters, PDIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "TC7662BCPA",
    "manufacturer": "Microchip Tech",
    "package": "PDIP-8",
    "pin_count": 8,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f923ae13994258c869e687a41422f60b.pdf",
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    "distributor_links": {
      "lcsc": "C184398",
      "digikey": "TC7662BCPA-ND",
      "mouser": "579-TC7662BCPA"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T16:26:20Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "TC7662BCPA-ND",
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        "pn": "579-TC7662BCPA",
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    },
    "pins": [
      {
        "number": "1",
        "name": "BOOST",
        "type": "input",
        "description": "Connecting this pin to V+ raises the oscillator frequency by approximately 3-1/2 times, while leaving it open or at GND keeps the nominal 10kHz oscillator."
      },
      {
        "number": "2",
        "name": "CAP+",
        "type": "passive",
        "description": "Positive terminal of pump capacitor C1; when polarized capacitors are used in the inverting mode, the + terminal of C1 must connect to this pin."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; when polarized capacitors are used in the inverting mode, the - terminal of C2 must connect to GND."
      },
      {
        "number": "4",
        "name": "CAP-",
        "type": "passive",
        "description": "Negative-side pump capacitor connection (C1) of the charge pump, as shown in the test circuit."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Converter output, which is -V+ in the simple negative converter; shorting the output to V+ above 5.5V is allowed only for transient conditions."
      },
      {
        "number": "6",
        "name": "LV",
        "type": "input",
        "description": "Connect to GND to disable the internal regulator for supplies up to 3.5V; for supplies above 3.5V this pin must be left open, and current into LV is limited to 20µA when V+ is above 3.5V."
      },
      {
        "number": "7",
        "name": "OSC",
        "type": "input",
        "description": "Oscillator timing node; connecting an external capacitor from OSC to ground with pin 1 open lowers the oscillator frequency below 10kHz."
      },
      {
        "number": "8",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply input, rated 1.5V to 15V in operation with a 16.5V absolute maximum supply voltage."
      }
    ],
    "provenance": {
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin 4 (CAP-) function is taken from its pin label; the text states only that pin 2 and GND connect t",
          "1/8 pins cited to the wrong page (name found elsewhere): ['2:CAP+@p4']"
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        "cost_usd": 0.0182,
        "at": "2026-10-28T16:25:58"
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        "pages": 11,
        "sha256": "cc6b50f14e507d59",
        "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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  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "PDIP-8",
      "Category": "Power Management ICs",
      "Pins": "8"
    },
    "characteristics": {
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      "source": "datasheet",
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          "name": "Supply Current",
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          "kind": "electrical",
          "unit": "µA",
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          "typ": 80,
          "max": 160,
          "conditions": "RL = ∞, +25°C, Boost pin OPEN OR GND",
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          "kind": "electrical",
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          "max": 180,
          "conditions": "0°C ≤ TA ≤ +70°C, Boost pin OPEN OR GND",
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          "typ": null,
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          "conditions": "0°C ≤ TA ≤ +70°C, Boost pin = V+",
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        {
          "name": "Supply Voltage Range, High",
          "symbol": "V+H",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
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          "max": 15,
          "conditions": "RL = 10 kΩ, LV Open, TMIN ≤ TA ≤ TMAX",
          "source_page": 2,
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        },
        {
          "name": "Supply Voltage Range, Low",
          "symbol": "V+L",
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        },
        {
          "name": "Output Source Resistance",
          "symbol": "ROUT",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 65,
          "max": 100,
          "conditions": "IOUT = 20mA, 0°C ≤ TA ≤ +70°C",
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        {
          "name": "Output Source Resistance",
          "symbol": "ROUT",
          "kind": "electrical",
          "unit": "Ω",
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          "typ": null,
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          "conditions": "IOUT = 3mA, V+ = 2V, LV to GND, 0°C ≤ TA ≤ +70°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Oscillator Frequency",
          "symbol": "fOSC",
          "kind": "electrical",
          "unit": "kHz",
          "min": 5,
          "typ": 10,
          "max": null,
          "conditions": "COSC = 0, Pin 1 Open or GND",
          "source_page": 2,
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        },
        {
          "name": "Power Efficiency",
          "symbol": "PEff",
          "kind": "electrical",
          "unit": "%",
          "min": 96,
          "typ": 96,
          "max": null,
          "conditions": "RL = 5kΩ",
          "source_page": 2,
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        },
        {
          "name": "Power Efficiency",
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          "kind": "electrical",
          "unit": "%",
          "min": 95,
          "typ": 97,
          "max": null,
          "conditions": "TMIN ≤ TA ≤ TMAX",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Voltage Conversion Efficiency",
          "symbol": "VOUTEff",
          "kind": "electrical",
          "unit": "%",
          "min": 99,
          "typ": 99.9,
          "max": null,
          "conditions": "RL = ∞",
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        },
        {
          "name": "Supply Voltage",
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        {
          "name": "LV, Boost and OSC Input Voltage",
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          "conditions": "V+ < 5.5V; upper limit is (V+ + 0.3V)",
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        },
        {
          "name": "Current Into LV",
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          "unit": "µA",
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          "conditions": "V+ > 3.5V",
          "source_page": 2,
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        {
          "name": "Operating Temperature Range (C Suffix)",
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          "name": "Storage Temperature Range",
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          "conditions": "",
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          "name": "Lead Temperature",
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          "max": 300,
          "conditions": "Soldering, 10 sec",
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        }
      ]
    }
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  "discovery_pitch": "TC7662BCPA (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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