component
AR1100-I
Public Made by Adomby adom
Microchip Tech Touch Sensors, SSOP-20-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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{
"schema_version": 1,
"type": "component",
"slug": "ar1100-i",
"title": "AR1100-I",
"brief": "Microchip Tech Touch Sensors, SSOP-20-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
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"sensors",
"ar1100-i",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "AR1100-I",
"manufacturer": "Microchip Tech",
"package": "SSOP-20-208mil",
"pin_count": 20,
"category": "Sensors",
"subcategory": "Touch Sensors",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e1dac27ee61adb5bd5b4569ffc85f503.pdf",
"parts": {
"symbol": "ar1100-i.kicad_sym",
"footprint": "ar1100-i.kicad_mod",
"model_3d": "ar1100-i-hero.glb",
"model_3d_plain": "ar1100-i-etched.glb",
"model_3d_step": "ar1100-i-etched.step",
"model_3d_step_plain": "ar1100-i.step",
"lbr": "ar1100-i.lbr"
},
"distributor_links": {
"lcsc": "C219149"
},
"distributor_check": {
"checked_at": "2026-10-23T03:05:26Z",
"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": "Positive power supply pin."
},
{
"number": "2",
"name": "OSC1",
"type": "input",
"description": "Oscillator pin 1 (oscillator connection)."
},
{
"number": "3",
"name": "OSC2",
"type": "output",
"description": "Oscillator pin 2 (oscillator connection)."
},
{
"number": "4",
"name": "MODE",
"type": "input",
"description": "Sensor mode select: GND selects 5-wire, open selects 4-/8-wire."
},
{
"number": "5",
"name": "LED",
"type": "output",
"description": "LED control pin."
},
{
"number": "6",
"name": "(Y+)",
"type": "passive",
"description": "Sensor connection; not used (n/a) for 4-wire and 5-wire, Y+ for 8-wire sensors."
},
{
"number": "7",
"name": "X+",
"type": "passive",
"description": "Sensor connection."
},
{
"number": "8",
"name": "SY-",
"type": "passive",
"description": "Sensor connection."
},
{
"number": "9",
"name": "SX+",
"type": "passive",
"description": "Sensor connection."
},
{
"number": "10",
"name": "UART-TX",
"type": "output",
"description": "UART transmit data."
},
{
"number": "11",
"name": "WAKE",
"type": "input",
"description": "Wake pin."
},
{
"number": "12",
"name": "UART-RX",
"type": "input",
"description": "UART receive data."
},
{
"number": "13",
"name": "SX-",
"type": "passive",
"description": "Sensor connection; n/a for 4-wire, WSX for 5-wire, SX- for 8-wire sensors."
},
{
"number": "14",
"name": "X-",
"type": "passive",
"description": "Sensor connection."
},
{
"number": "15",
"name": "Y+(SY+)",
"type": "passive",
"description": "Sensor connection; Y+ for 4-wire and 5-wire, SY+ for 8-wire sensors."
},
{
"number": "16",
"name": "Y-",
"type": "passive",
"description": "Sensor connection."
},
{
"number": "17",
"name": "VUSB",
"type": "passive",
"description": "USB internal voltage reference."
},
{
"number": "18",
"name": "USB-D-",
"type": "bidirectional",
"description": "USB data I/O (D-)."
},
{
"number": "19",
"name": "USB-D+",
"type": "bidirectional",
"description": "USB data I/O (D+)."
},
{
"number": "20",
"name": "VSS",
"type": "power_in",
"description": "Ground."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: MPN 'AR1100-I' has no package suffix; ordering table (page 42) lists AR1100-I/SS (SSOP), -I/SO (SOIC; The datasheet pin table gives no electrical direction. Types (input/output/passive/bidirectional) ar; Descriptions are brief because the table gives only short comments. Pin 6 is printed as '(Y+)' in pa",
"2/20 pins cited to the wrong page (name found elsewhere): ['2:OSC1@p9', '3:OSC2@p9']"
],
"pages_sent": 11,
"cost_usd": 0.071,
"at": "2026-10-23T03:05:04"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/e1dac27ee61adb5bd5b4569ffc85f503.pdf",
"pages": 58,
"sha256": "f314bf0e177b68ac",
"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"
},
"models_3d": [
{
"file": "ar1100-i.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
7.8,
7.2,
2.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "c9a01a276d0b4d9561efd58f2fcee56f52c1b6ab464ea7a0380cab4e87a924e6",
"checked": "2026-10-23",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ar1100-i-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
7.8,
7.2,
2.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "3448fa39acd62780c37df1fa23a7e40d0f25d46aba0f491de8f692f8f2993641",
"checked": "2026-10-23",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Microchip Tech",
"Package": "SSOP-20-208mil",
"Category": "Sensors",
"Pins": "20"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "f314bf0e177b68acacbed608eabf4664034d5b4f105bac5ebd9ce525e66f4695",
"rows": [
{
"name": "Operating voltage",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 3.3,
"typ": null,
"max": 5,
"conditions": "3.3-5.0V +/- 5%",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Ambient temperature under bias",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 39,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 39,
"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": "",
"source_page": 39,
"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": "-0.3V to (VDD + 0.3V)",
"source_page": 39,
"source": "datasheet"
},
{
"name": "Total power dissipation",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 800,
"conditions": "",
"source_page": 39,
"source": "datasheet"
},
{
"name": "Maximum current out of VSS pin",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 300,
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},
{
"name": "Maximum current into VDD pin",
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"kind": "absolute_maximum",
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"min": null,
"typ": null,
"max": 250,
"conditions": "",
"source_page": 39,
"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": 39,
"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": 39,
"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": 39,
"source": "datasheet"
},
{
"name": "Standby current (UART)",
"symbol": "",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": null,
"max": 10,
"conditions": "UART, <10 uA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Standby current (USB)",
"symbol": "",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": null,
"max": 325,
"conditions": "USB, <325 uA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Operating current (no touch)",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 17,
"conditions": "no touch",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Operating current (touch)",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 25,
"conditions": "touch",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Lead-to-lead resistance (touch sensor)",
"symbol": "",
"kind": "recommended_operating",
"unit": "Ohm",
"min": 50,
"typ": null,
"max": 2000,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Layer-to-layer capacitance (touch sensor)",
"symbol": "",
"kind": "recommended_operating",
"unit": "uF",
"min": 0,
"typ": null,
"max": 0.5,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Touch coordinate report rate",
"symbol": "",
"kind": "timing",
"unit": "reports per second",
"min": null,
"typ": 150,
"max": null,
"conditions": "typ.; results vary slightly with sensor",
"source_page": 3,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"ar1100-i"
],
"discovery_pitch": "AR1100-I (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
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"path": "docs/hero.png"
},
"files": [
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"ar1100-i.kicad_sym",
"ar1100-i.kicad_mod",
"ar1100-i.glb",
"ar1100-i.step",
"ar1100-i.lbr",
"docs/hero.png",
"docs/ar1100-i-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ar1100-i-hero.glb",
"ar1100-i-hero.overlay.json",
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"visibility": {
"public": true
}
}