MCP42010T-I

{
  "schema_version": 1,
  "type": "component",
  "slug": "mcp42010t-i",
  "title": "MCP42010T-I",
  "brief": "Microchip Tech Digital Potentiometers, TSSOP-14. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "data acquisition",
    "mcp42010t-i"
  ],
  "component": {
    "mpn": "MCP42010T-I",
    "manufacturer": "Microchip Tech",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "Data Acquisition",
    "subcategory": "Digital Potentiometers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588941284174409728",
    "parts": {
      "symbol": "mcp42010t-i.kicad_sym",
      "footprint": "mcp42010t-i.kicad_mod",
      "model_3d": "mcp42010t-i-etched.glb",
      "model_3d_plain": "mcp42010t-i.glb",
      "model_3d_step": "mcp42010t-i-etched.step",
      "model_3d_step_plain": "mcp42010t-i.step",
      "lbr": "mcp42010t-i.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "CS",
        "type": "input",
        "description": "SPI chip-select input (active-low). Used to execute a new command after it has been loaded into the shift register. Schmitt Trigger input; gates SCK/SI so no additional current is drawn while CS is high."
      },
      {
        "number": "2",
        "name": "SCK",
        "type": "input",
        "description": "SPI serial clock input. Data on SI is latched on the rising edge and driven out on SO on the falling edge. Schmitt Trigger input; gated by CS."
      },
      {
        "number": "3",
        "name": "SI",
        "type": "input",
        "description": "SPI serial data input (MOSI). Command and data bytes are clocked into the shift register on this pin. Schmitt Trigger input; gated by CS."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Device ground / negative supply reference (0 V). Return for both analog resistor terminals and digital I/O."
      },
      {
        "number": "5",
        "name": "PB1",
        "type": "passive",
        "description": "Potentiometer 1 Terminal B connection. No polarity restriction versus PA1/PW1; nominal end-to-end resistance PA1-PB1 = 10 kΩ. Voltage on this terminal must be within VSS to VDD."
      },
      {
        "number": "6",
        "name": "PW1",
        "type": "passive",
        "description": "Potentiometer 1 Wiper connection. Wiper position (0..255) is controlled via SPI; wiper resistance RW ≈ 52 Ω typical at code 00h, VDD = 5.5V. Max wiper current IW = ±1 mA."
      },
      {
        "number": "7",
        "name": "PA1",
        "type": "passive",
        "description": "Potentiometer 1 Terminal A connection. Opposite end of the 10 kΩ resistor array from PB1. In shutdown mode this terminal is open-circuited from the resistor stack."
      },
      {
        "number": "8",
        "name": "PA0",
        "type": "passive",
        "description": "Potentiometer 0 Terminal A connection. One end of the 10 kΩ resistor array for channel 0. In shutdown mode this terminal is open-circuited from the resistor stack."
      },
      {
        "number": "9",
        "name": "PW0",
        "type": "passive",
        "description": "Potentiometer 0 Wiper connection. Wiper position (0..255) is controlled via SPI; wiper resistance RW ≈ 52 Ω typical at code 00h, VDD = 5.5V. Max wiper current IW = ±1 mA."
      },
      {
        "number": "10",
        "name": "PB0",
        "type": "passive",
        "description": "Potentiometer 0 Terminal B connection. Opposite end of the 10 kΩ resistor array from PA0. Voltage on this terminal must be within VSS to VDD."
      },
      {
        "number": "11",
        "name": "RS",
        "type": "input",
        "description": "Hardware reset input (active-low). Pulling RS low for at least 150 ns sets both wipers to mid-scale (code 80h). Has an internal active pull-up so it should not be left floating; do not toggle RS low while CS is low."
      },
      {
        "number": "12",
        "name": "SHDN",
        "type": "input",
        "description": "Hardware shutdown input (active-low), Schmitt Trigger. When low, terminal A is open-circuited and PB/PW are shorted for both potentiometers to save power. Has an internal active pull-up; do not leave floating and do not toggle low while CS is low."
      },
      {
        "number": "13",
        "name": "SO",
        "type": "output",
        "description": "SPI serial data output (MISO), used for daisy-chaining multiple MCP42XXX devices. Data is clocked out on the falling edge of SCK. Push-pull output that does not go high-Z when CS is high - it drives logic-low while CS is high."
      },
      {
        "number": "14",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply input, 2.7 V to 5.5 V single-supply operation. Static supply current is <1 µA typical; active supply current is ~340 µA typical at 5.5 V with fSCK = 10 MHz."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588941284174409728",
        "pages": null,
        "sha256": "6bee8156c8b9f1f6",
        "source_tier": "lcsc"
      },
      "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "TSSOP-14",
      "Category": "Data Acquisition",
      "Pins": "14"
    }
  },
  "variants": [
    {
      "mpn": "MCP42010T-I/ST",
      "kind": "packaging"
    },
    {
      "mpn": "MCP42010T-I-E/ST",
      "kind": "packaging"
    },
    {
      "mpn": "MCP42010T-I/SL",
      "kind": "packaging"
    },
    {
      "mpn": "MCP42010T-I-E/SL",
      "kind": "packaging"
    },
    {
      "mpn": "MCP42010T-I-E/P",
      "kind": "packaging"
    },
    {
      "mpn": "MCP42010T-I/P",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "mcp42010t-i"
  ],
  "discovery_pitch": "MCP42010T-I (Microchip Tech) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mcp42010t-i.kicad_sym",
    "mcp42010t-i.kicad_mod",
    "mcp42010t-i.glb",
    "mcp42010t-i.step",
    "mcp42010t-i.lbr",
    "docs/hero.png",
    "docs/mcp42010t-i-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-28T19:08:31.379Z"
}