TC2018

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  "schema_version": 1,
  "type": "component",
  "slug": "tc2018",
  "title": "TC2018",
  "brief": "Shenzhen Fuman Audio Amplifiers, ESOP-8-EP. 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": "TC2018",
    "manufacturer": "Shenzhen Fuman",
    "package": "ESOP-8-EP",
    "pin_count": 9,
    "category": "Amplifiers/Comparators",
    "subcategory": "Audio Amplifiers",
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      "lbr": "tc2018.lbr"
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    "distributor_links": {
      "lcsc": "C30584842"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T19:17:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
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      "mouser": {
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    },
    "pins": [
      {
        "number": "1",
        "name": "SD",
        "type": "input",
        "description": "Shutdown control: high level shuts the amplifier down, low level enables operation, and the pin floats low through an internal pull-down; VIH is 1.4 V minimum and VIL is 0.35 V maximum at VDD=5 V."
      },
      {
        "number": "2",
        "name": "BYP",
        "type": "passive",
        "description": "Reference voltage (bias) pin whose bypass capacitor Cbyp sets start-up speed and affects noise, PSRR and turn-on/turn-off pop; the datasheet gives start-up time of 150 ms with Cbyp=1 µF."
      },
      {
        "number": "3",
        "name": "MODE",
        "type": "input",
        "description": "AB/D class select: high level selects Class D, low level or floating selects Class AB; VIH is 1.4 V minimum and VIL is 0.35 V maximum."
      },
      {
        "number": "4",
        "name": "IN",
        "type": "input",
        "description": "Audio inverting input; the gain is set by the external input resistor Ri, with the gain kept below 2 V/V for best performance."
      },
      {
        "number": "5",
        "name": "VON",
        "type": "output",
        "description": "Negative audio output (BTL bridge output), driving the load together with VOP."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive power supply, specified from 2.5 V to 5.5 V with an absolute maximum of 5.5 V, decoupled with at least 2.2 µF low-impedance ceramic capacitor placed close to the pin."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Power supply ground."
      },
      {
        "number": "8",
        "name": "VOP",
        "type": "output",
        "description": "Positive audio output (BTL bridge output), driving the load together with VON."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection to the chip's bottom heat sink (exposed thermal pad), which the datasheet lists as pin 9 for heat dissipation."
      }
    ],
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        "cost_usd": 0.0425,
        "at": "2026-10-18T19:15:23"
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  "metadata": {
    "specs": {
      "Manufacturer": "Shenzhen Fuman",
      "Package": "ESOP-8-EP",
      "Category": "Amplifiers/Comparators",
      "Pins": "9"
    },
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          "name": "Shutdown current (D-class)",
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          "kind": "electrical",
          "unit": "uA",
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          "max": null,
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          "name": "Quiescent current (D-class)",
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          "name": "Quiescent current (D-class)",
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          "name": "SD low-level voltage (D-class)",
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        {
          "name": "D-class output power",
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          "name": "D-class output power",
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          "max": null,
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        {
          "name": "D-class output power",
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          "conditions": "D类模式; Vdd=5.0V, RL=2.0Ω, THD+N=1%, f=1.0KHZ",
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        {
          "name": "D-class THD+N",
          "symbol": "THD+N",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.5,
          "max": null,
          "conditions": "D类模式; Vdd=5V, Po=1W, RL=4.0Ω",
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        {
          "name": "D-class THD+N",
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          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.3,
          "max": null,
          "conditions": "D类模式; Vdd=3.6V, Po=1W, RL=4.0Ω",
          "source_page": 3,
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        {
          "name": "D-class THD+N",
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          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "D类模式; Vdd=5V, Po=2W, RL=2.0Ω",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "D-class THD+N",
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          "kind": "electrical",
          "unit": "%",
          "min": null,
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          "max": null,
          "conditions": "D类模式; Vdd=3.6V, Po=2W, RL=2.0Ω",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "D-class efficiency",
          "symbol": "η",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 75,
          "max": null,
          "conditions": "D类模式; Vdd=5V, Po=4W, RL=2.0Ω, f=1KHZ",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "D-class efficiency",
          "symbol": "η",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 85,
          "max": null,
          "conditions": "D类模式; Vdd=5V, Po=2.8W, RL=4.0Ω, f=1KHZ",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "D-class residual noise",
          "symbol": "Vn",
          "kind": "electrical",
          "unit": "uV",
          "min": null,
          "typ": 115,
          "max": null,
          "conditions": "D类模式; VDD=5.0V, input floating with CIN=0.1uF, A-weighting",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "D-class SNR",
          "symbol": "SNR",
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          "unit": "dB",
          "min": null,
          "typ": -79,
          "max": null,
          "conditions": "D类模式; VDD=5V, Vo rms=1V, Gv=22dB, f=1KHZ",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "D-class dynamic range",
          "symbol": "Dyn",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": -88,
          "max": null,
          "conditions": "D类模式; VDD=5V, THD=1%, f=1KHZ",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "D-class offset voltage",
          "symbol": "Vos",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "D类模式; Vin=0V, VDD=5V",
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          "source": "datasheet"
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        {
          "name": "D-class PSRR",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "D类模式; f=1.0KHZ, Vdd=4.2V+/-250MV",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "D-class startup time",
          "symbol": "Tst",
          "kind": "electrical",
          "unit": "mS",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "D类模式; Cbyp=1uF",
          "source_page": 4,
          "source": "datasheet"
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          "name": "D-class gain",
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          "kind": "electrical",
          "unit": "dB",
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          "typ": 23,
          "max": null,
          "conditions": "D类模式; RI=22K",
          "source_page": 4,
          "source": "datasheet"
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          "name": "D-class operating frequency",
          "symbol": "Fosc",
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          "typ": 737,
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          "conditions": "D类模式",
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          "name": "Overtemperature protection threshold (D-class)",
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          "typ": 160,
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          "conditions": "D类模式",
          "source_page": 4,
          "source": "datasheet"
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          "name": "Overtemperature hysteresis (D-class)",
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          "kind": "electrical",
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          "conditions": "D类模式",
          "source_page": 4,
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          "name": "Shutdown current (AB-class)",
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          "typ": 1,
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          "name": "Quiescent current (AB-class)",
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          "max": null,
          "conditions": "AB类模式; Vdd=5.0V, No Load",
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          "name": "Quiescent current (AB-class)",
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          "name": "SD high-level voltage (AB-class)",
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