component
MCP42100T-I
Public Made by Adomby adom
Microchip Tech Digital Potentiometers, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "mcp42100t-i",
"version": "0.1.0",
"type": "component",
"description": "Microchip Tech Digital Potentiometers, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"adc-dac-data conversion",
"mcp42100t-i",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"mcp42100t-i.kicad_sym",
"mcp42100t-i.kicad_mod",
"mcp42100t-i.glb",
"mcp42100t-i.step",
"mcp42100t-i.lbr",
"docs/hero.png",
"docs/mcp42100t-i-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"mcp42100t-i-hero.glb",
"mcp42100t-i-hero.overlay.json",
"mcp42100t-i-etched.glb"
],
"component": {
"mpn": "MCP42100T-I",
"manufacturer": "Microchip Tech",
"package": "SOIC-14",
"pin_count": 14,
"category": "ADC/DAC/Data Conversion",
"subcategory": "Digital Potentiometers",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/fefd56092e2b5c07fcaac3dc9cc0315d.pdf",
"parts": {
"symbol": "mcp42100t-i.kicad_sym",
"footprint": "mcp42100t-i.kicad_mod",
"model_3d": "mcp42100t-i-hero.glb",
"model_3d_plain": "mcp42100t-i-etched.glb",
"model_3d_step": "mcp42100t-i-etched.step",
"model_3d_step_plain": "mcp42100t-i.step",
"lbr": "mcp42100t-i.lbr"
},
"distributor_links": {
"lcsc": "C626775"
},
"distributor_check": {
"checked_at": "2026-11-05T21:30:57Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "CS",
"type": "input",
"description": "SPI chip select; it executes a new command after the command has been loaded into the shift register, and it has a Schmitt Trigger input."
},
{
"number": "2",
"name": "SCK",
"type": "input",
"description": "SPI serial clock; data is clocked into SI on the rising edge and out of SO on the falling edge, the pin is gated to CS, and it has a Schmitt Trigger input."
},
{
"number": "3",
"name": "SI",
"type": "input",
"description": "SPI serial data input for the command and data bytes, gated to CS, with a Schmitt Trigger input."
},
{
"number": "4",
"name": "VSS",
"type": "power_in",
"description": "Ground reference pin for the device."
},
{
"number": "5",
"name": "PB1",
"type": "passive",
"description": "Terminal B connection for potentiometer 1 (dual MCP42XXX only)."
},
{
"number": "6",
"name": "PW1",
"type": "passive",
"description": "Wiper connection for potentiometer 1 (dual MCP42XXX only)."
},
{
"number": "7",
"name": "PA1",
"type": "passive",
"description": "Terminal A connection for potentiometer 1 (dual MCP42XXX only)."
},
{
"number": "8",
"name": "PA0",
"type": "passive",
"description": "Terminal A connection for potentiometer 0."
},
{
"number": "9",
"name": "PW0",
"type": "passive",
"description": "Wiper connection for potentiometer 0."
},
{
"number": "10",
"name": "PB0",
"type": "passive",
"description": "Terminal B connection for potentiometer 0."
},
{
"number": "11",
"name": "RS",
"type": "input",
"description": "Hardware reset that sets all potentiometers to mid-scale (Code 80h) when held low for at least 150 ns; it should not be toggled low while CS is low, it has an active pull-up, and it must not be left floating."
},
{
"number": "12",
"name": "SHDN",
"type": "input",
"description": "Hardware shutdown input; pulling it low opens the A terminal and connects B and W for all potentiometers, it should not be toggled low while CS is low, it has a Schmitt Trigger input, and it must not be left floating."
},
{
"number": "13",
"name": "SO",
"type": "output",
"description": "Serial data output for daisy-chaining devices; it is a push-pull output that clocks data out on the falling edge of SCK and drives logic low when CS is high."
},
{
"number": "14",
"name": "VDD",
"type": "power_in",
"description": "Positive supply pin; the device operates from a single 2.7 V to 5.5 V supply."
}
],
"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 MPN suffix 'T-I' does not show the package code. The text says the MCP42XXX comes in 14-pin PDIP; The provided pages include the 14-lead SOIC marking example (page 23) but not its package outline dr"
],
"pages_sent": 7,
"cost_usd": 0.0419,
"at": "2026-11-05T21:30:41"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/fefd56092e2b5c07fcaac3dc9cc0315d.pdf",
"pages": 32,
"sha256": "6bee8156c8b9f1f6",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 14,
"described": 14,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "mcp42100t-i.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.0,
8.7,
1.75
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
"checked": "2026-11-05",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "mcp42100t-i-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.0,
8.7,
1.75
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "0a6098e32c16809f0841a556fa2989092527359efad4e5f24381a96ee52d1ae4",
"checked": "2026-11-05",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "SL",
"source_page": 27,
"D": {
"nom_mm": 8.69,
"range_mm": [
8.56,
8.81
]
},
"E1": {
"nom_mm": 3.9,
"range_mm": [
3.81,
3.99
]
},
"E": {
"nom_mm": 5.99,
"range_mm": [
5.79,
6.2
]
},
"e": {
"nom_mm": 1.27,
"range_mm": [
null,
null
]
},
"A": {
"nom_mm": 1.55,
"range_mm": [
1.35,
1.75
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "mcp42100t-i.step",
"verdict": "PASS",
"reasons": [
"height and body within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
}
}