AR1010-I

{
  "schema_version": 1,
  "type": "component",
  "slug": "ar1010-i",
  "title": "AR1010-I",
  "brief": "Microchip Tech Touch Screen Controllers, SOIC-20-300mil. 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",
    "data converters",
    "ar1010-i",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "AR1010-I",
    "manufacturer": "Microchip Tech",
    "package": "SOIC-20-300mil",
    "pin_count": 20,
    "category": "Data Converters",
    "subcategory": "Touch Screen Controllers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/6bf43ef23d621d99de98dc3a5d7ca697.pdf",
    "parts": {
      "symbol": "ar1010-i.kicad_sym",
      "footprint": "ar1010-i.kicad_mod",
      "model_3d": "ar1010-i-hero.glb",
      "model_3d_plain": "ar1010-i-etched.glb",
      "model_3d_step": "ar1010-i-etched.step",
      "model_3d_step_plain": "ar1010-i.step",
      "lbr": "ar1010-i.lbr"
    },
    "distributor_links": {
      "lcsc": "C1521443"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T15:50:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage input; the datasheet gives an operating voltage of 2.5-5.0V ±5%."
      },
      {
        "number": "2",
        "name": "M1",
        "type": "input",
        "description": "Communication selection input; the datasheet's interface sections give conflicting VSS/VDD levels for I2C, SPI and UART."
      },
      {
        "number": "3",
        "name": "SY-",
        "type": "passive",
        "description": "Sense Y- line for 8-wire sensors; tie to VSS if not used."
      },
      {
        "number": "4",
        "name": "M2",
        "type": "input",
        "description": "Sensor selection input: VSS selects 4/8-wire sensor operation and VDD selects 5-wire operation."
      },
      {
        "number": "5",
        "name": "WAKE",
        "type": "bidirectional",
        "description": "Touch wake-up and touch detection pin; the application circuit requires a 20 KΩ resistor between WAKE and X-."
      },
      {
        "number": "6",
        "name": "SIQ",
        "type": "output",
        "description": "LED drive or SPI interrupt output; it is asserted high when data is available and must be left as a no connect if not used, not tied to VDD or VSS."
      },
      {
        "number": "7",
        "name": "SY+",
        "type": "passive",
        "description": "Sense Y+ line for 8-wire sensors; tie to VSS if not used."
      },
      {
        "number": "8",
        "name": "SS",
        "type": "input",
        "description": "SPI slave select input, active at VSS and inactive at VDD; tie to VSS if not used."
      },
      {
        "number": "9",
        "name": "SDO",
        "type": "output",
        "description": "SPI serial data output or I2C data-ready interrupt; it goes high-impedance in the SPI inactive state and must be tied to VSS for UART."
      },
      {
        "number": "10",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; may be left unconnected or tied to VSS or VDD."
      },
      {
        "number": "11",
        "name": "SCK/SCL/TX",
        "type": "bidirectional",
        "description": "SPI/I2C serial clock or UART transmit; the I2C clock is open-drain and requires a 2.2 K to 10 K pull-up to VDD."
      },
      {
        "number": "12",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; may be left unconnected or tied to VSS or VDD."
      },
      {
        "number": "13",
        "name": "SDI/SDA/RX",
        "type": "bidirectional",
        "description": "I2C serial data (open-drain, requires a 2.2 K to 10 K pull-up to VDD), SPI serial data input, or UART receive."
      },
      {
        "number": "14",
        "name": "SX+",
        "type": "passive",
        "description": "Sense X+ line for 8-wire sensors; tie to VSS if not used."
      },
      {
        "number": "15",
        "name": "Y+",
        "type": "passive",
        "description": "Y+ drive connection to the touch sensor."
      },
      {
        "number": "16",
        "name": "Y-",
        "type": "passive",
        "description": "Y- drive connection to the touch sensor."
      },
      {
        "number": "17",
        "name": "5WSX-",
        "type": "passive",
        "description": "5-wire sense connection, or X- sense for 8-wire sensors; tie to VSS if not used."
      },
      {
        "number": "18",
        "name": "X+",
        "type": "passive",
        "description": "X+ drive connection to the touch sensor."
      },
      {
        "number": "19",
        "name": "X-",
        "type": "passive",
        "description": "X- drive connection to the touch sensor; the WAKE resistor connects to this pin."
      },
      {
        "number": "20",
        "name": "VSS",
        "type": "power_in",
        "description": "Supply ground."
      }
    ],
    "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 AR1010-I/SO is listed in the ordering table (Table 12-1) as a UART, SOIC 20-pin part, but the pi; Datasheet conflicts on M1 selection: Section 4.1 says M1 to VSS selects I2C, Section 5.1 says M1 to ; Multi-function pins: SCK/SCL/TX (pin 11) and SDI/SDA/RX (pin 13) serve as TX/RX for UART, and SDO (p"
        ],
        "pages_sent": 26,
        "cost_usd": 0.0298,
        "at": "2026-10-28T15:50:02"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/6bf43ef23d621d99de98dc3a5d7ca697.pdf",
        "pages": 61,
        "sha256": "982b49fcbf925435",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          12.8,
          2.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "59a10b341e6972b31d81802a048060326da627d8b92dcf4263064f4f62ec808e",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ar1010-i-etched.step",
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        "units": "mm",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "920445e385f3ec744a1eeb7801bb4aa2af81a6d401ef382fdc7b083850025f83",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "SOIC-20-300mil",
      "Category": "Data Converters",
      "Pins": "20"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "982b49fcbf925435575a07375977e3a03e9ffa4c99916b00ef4a24d22243ba09",
      "rows": [
        {
          "name": "Operating voltage VDD",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 5.25,
          "conditions": "Operating voltage range",
          "source_page": 46,
          "source": "datasheet"
        },
        {
          "name": "Voltage on VDD with respect to VSS",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "With respect to VSS",
          "source_page": 45,
          "source": "datasheet"
        },
        {
          "name": "Voltage on all other pins with respect to VSS",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Maximum is VDD + 0.3V",
          "source_page": 45,
          "source": "datasheet"
        },
        {
          "name": "Ambient temperature under bias",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "Under bias",
          "source_page": 45,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 45,
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        },
        {
          "name": "Total power dissipation",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 800,
          "conditions": "",
          "source_page": 45,
          "source": "datasheet"
        },
        {
          "name": "Maximum current out of VSS pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "",
          "source_page": 45,
          "source": "datasheet"
        },
        {
          "name": "Maximum current into VDD pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "",
          "source_page": 45,
          "source": "datasheet"
        },
        {
          "name": "Input clamp current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "VI < 0 or VI > VDD",
          "source_page": 45,
          "source": "datasheet"
        },
        {
          "name": "Maximum output current sunk by any I/O pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 45,
          "source": "datasheet"
        },
        {
          "name": "Maximum output current sourced by any I/O pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 45,
          "source": "datasheet"
        },
        {
          "name": "Standby current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 85,
          "max": 125,
          "conditions": "5V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Standby current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 40,
          "max": 60,
          "conditions": "2.5V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating no touch current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating touch current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 17,
          "max": null,
          "conditions": "With a touch sensor having 200 layers; actual current depends on the touch sensor used",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Touch sensor time constant",
          "symbol": "",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Touch resolution",
          "symbol": "",
          "kind": "electrical",
          "unit": "bit",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "10-bit resolution",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "I2C SCL/SDA pull-up resistor",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "kΩ",
          "min": 2.2,
          "typ": null,
          "max": 10,
          "conditions": "Pull-up from SCL/SDA to VDD; typically 2.2 K to 10 K",
          "source_page": 14,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "AR1010-I (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}