CAP1188-1-CP-TR

{
  "schema_version": 1,
  "type": "component",
  "slug": "cap1188-1-cp-tr",
  "title": "CAP1188-1-CP-TR",
  "brief": "Microchip Tech Touch Sensors, QFN-24-EP(4x4). 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",
    "sensors",
    "cap1188-1-cp-tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CAP1188-1-CP-TR",
    "manufacturer": "Microchip Tech",
    "package": "QFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Sensors",
    "subcategory": "Touch Sensors",
    "datasheet": "https://ww1.microchip.com/downloads/en/DeviceDoc/00001620C.pdf",
    "parts": {
      "symbol": "cap1188-1-cp-tr.kicad_sym",
      "footprint": "cap1188-1-cp-tr.kicad_mod",
      "model_3d": "cap1188-1-cp-tr-hero.glb",
      "model_3d_plain": "cap1188-1-cp-tr-etched.glb",
      "model_3d_step": "cap1188-1-cp-tr-etched.step",
      "model_3d_step_plain": "cap1188-1-cp-tr.step",
      "lbr": "cap1188-1-cp-tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2652057",
      "digikey": "CAP1188-1-CP-TR-ND",
      "mouser": "579-CAP1188-1-CP-TR"
    },
    "distributor_check": {
      "checked_at": "2026-11-07T00:37:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "CAP1188-1-CP-TR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "579-CAP1188-1-CP-TR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SPI_CS#",
        "type": "input",
        "description": "Active low chip-select for the SPI bus, 5V tolerant digital input; connect to ground when unused and ground it when SMBus/I2C communications are used."
      },
      {
        "number": "2",
        "name": "WAKE/SPI_MOSI",
        "type": "bidirectional",
        "description": "WAKE is an active-high wake/interrupt output in Standby (needs pull-down resistor) and a wake input in Deep Sleep, or SPI_MOSI master-out-slave-in input (5V tolerant) in normal SPI mode."
      },
      {
        "number": "3",
        "name": "SMDATA/SPI_MSIO/SPI_MISO",
        "type": "bidirectional",
        "description": "SMBus bidirectional open-drain data (5V tolerant, needs pull-up resistor), SPI bidirectional MSIO port, or SPI_MISO push-pull output in normal SPI mode."
      },
      {
        "number": "4",
        "name": "SMCLK/SPI_CLK",
        "type": "input",
        "description": "SMBus clock input (needs pull-up resistor) or SPI clock input, 5V tolerant digital input."
      },
      {
        "number": "5",
        "name": "LED1",
        "type": "output",
        "description": "LED 1 driver, open drain (default, 5V tolerant, needs pull-up; connect to ground if unused) or push-pull (leave open or connect to ground if unused)."
      },
      {
        "number": "6",
        "name": "LED2",
        "type": "output",
        "description": "LED 2 driver, open drain (default, 5V tolerant, needs pull-up; connect to ground if unused) or push-pull (leave open or connect to ground if unused)."
      },
      {
        "number": "7",
        "name": "LED3",
        "type": "output",
        "description": "LED 3 driver, open drain (default, 5V tolerant, needs pull-up; connect to ground if unused) or push-pull (leave open or connect to ground if unused)."
      },
      {
        "number": "8",
        "name": "LED4",
        "type": "output",
        "description": "LED 4 driver, open drain (default, 5V tolerant, needs pull-up; connect to ground if unused) or push-pull (leave open or connect to ground if unused)."
      },
      {
        "number": "9",
        "name": "LED5",
        "type": "output",
        "description": "LED 5 driver, open drain (default, 5V tolerant, needs pull-up; connect to ground if unused) or push-pull (leave open or connect to ground if unused)."
      },
      {
        "number": "10",
        "name": "LED6",
        "type": "output",
        "description": "LED 6 driver, open drain (default, 5V tolerant, needs pull-up; connect to ground if unused) or push-pull (leave open or connect to ground if unused)."
      },
      {
        "number": "11",
        "name": "LED7",
        "type": "output",
        "description": "LED 7 driver, open drain (default, 5V tolerant, needs pull-up; connect to ground if unused) or push-pull (leave open or connect to ground if unused)."
      },
      {
        "number": "12",
        "name": "LED8",
        "type": "output",
        "description": "LED 8 driver, open drain (default, 5V tolerant, needs pull-up; connect to ground if unused) or push-pull (leave open or connect to ground if unused)."
      },
      {
        "number": "13",
        "name": "ALERT#",
        "type": "output",
        "description": "Active-low open-drain alert/interrupt output for SMBus alert or SPI interrupt (needs pull-up, default), or active-high push-pull when configured so."
      },
      {
        "number": "14",
        "name": "ADDR_COMM",
        "type": "input",
        "description": "Address/communications select analog input; the pull-down resistor value determines the address and communications mechanism."
      },
      {
        "number": "15",
        "name": "CS8",
        "type": "bidirectional",
        "description": "Capacitive touch sensor input 8 (analog I/O); connect to ground if unused."
      },
      {
        "number": "16",
        "name": "CS7",
        "type": "bidirectional",
        "description": "Capacitive touch sensor input 7 (analog I/O); connect to ground if unused."
      },
      {
        "number": "17",
        "name": "CS6",
        "type": "bidirectional",
        "description": "Capacitive touch sensor input 6 (analog I/O); connect to ground if unused."
      },
      {
        "number": "18",
        "name": "CS5",
        "type": "bidirectional",
        "description": "Capacitive touch sensor input 5 (analog I/O); connect to ground if unused."
      },
      {
        "number": "19",
        "name": "CS4",
        "type": "bidirectional",
        "description": "Capacitive touch sensor input 4 (analog I/O); connect to ground if unused."
      },
      {
        "number": "20",
        "name": "CS3",
        "type": "bidirectional",
        "description": "Capacitive touch sensor input 3 (analog I/O); connect to ground if unused."
      },
      {
        "number": "21",
        "name": "CS2",
        "type": "bidirectional",
        "description": "Capacitive touch sensor input 2 (analog I/O); connect to ground if unused."
      },
      {
        "number": "22",
        "name": "CS1",
        "type": "bidirectional",
        "description": "Capacitive touch sensor input 1 (analog I/O); connect to ground if unused."
      },
      {
        "number": "23",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive power supply, 3.0 V to 3.6 V (3.3 V typical)."
      },
      {
        "number": "24",
        "name": "RESET",
        "type": "input",
        "description": "Active-high soft reset for the system that resets all registers to default values, 5V tolerant; connect to ground if unused."
      },
      {
        "number": "25",
        "name": "GND",
        "type": "power_in",
        "description": "Ground, exposed bottom pad."
      }
    ],
    "provenance": {
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Exposed pad is labeled 'Bottom Pad' in the datasheet, not numbered; assigned number '25' as a conven; Multi-function pins have mixed types (input/output/bidirectional depending on mode); types chosen as; Datasheet text does not list ordering suffix details (-1-CP-TR); the ordering/product identification",
          "1/25 pins cited to the wrong page (name found elsewhere): ['25:GND@p7']"
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        "cost_usd": 0.1197,
        "at": "2026-11-07T00:37:19"
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        "pages": 79,
        "sha256": "91dec09f1eace3f8",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "total": 25,
        "described": 25,
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        "refuses_to_fabricate": true
      }
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        "zmin_mm": 0,
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "QFN-24-EP(4x4)",
      "Category": "Sensors",
      "Pins": "25"
    },
    "characteristics": {
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          "min": 3,
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          "name": "Supply Current (Standby, 1 avg, 140ms cycle time)",
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          "unit": "uA",
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        {
          "name": "Supply Current (Deep Sleep)",
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          "kind": "electrical",
          "unit": "uA",
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          "max": 15,
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          "name": "Supply Current (Capacitive Sensing Active)",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 500,
          "max": 600,
          "conditions": "3.135 < VDD < 3.465V; Capacitive Sensing Active; No LEDs active",
          "source_page": 10,
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        },
        {
          "name": "Maximum Base Capacitance",
          "symbol": "CBASE",
          "kind": "electrical",
          "unit": "pF",
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          "conditions": "Pad untouched",
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          "name": "Minimum Detectable Capacitive Shift",
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          "conditions": "Pad touched - Not tested",
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          "name": "Power Supply Rejection",
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          "kind": "electrical",
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          "conditions": "Programmable",
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          "name": "Leakage Current",
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          "unit": "uA",
          "min": -5,
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          "name": "Output Low Voltage",
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          "conditions": "ISINK_IO = 8mA",
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          "name": "Time to communications ready",
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          "kind": "timing",
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          "max": null,
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          "name": "Drive Frequency",
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          "unit": "kHz",
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          "name": "Sinking Current",
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          "unit": "mA",
          "min": null,
          "typ": 24,
          "max": null,
          "conditions": "VOL = 0.4",
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          "name": "Sourcing Current",
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          "unit": "mA",
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          "max": null,
          "conditions": "VOH = VDD - 0.4",
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      ]
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  "author": {
    "name": "Ray"
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