MCP45HV51-103E

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  "slug": "mcp45hv51-103e",
  "title": "MCP45HV51-103E",
  "brief": "Microchip Tech Digital Potentiometers, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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  "component": {
    "mpn": "MCP45HV51-103E",
    "manufacturer": "Microchip Tech",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "Digital Potentiometers",
    "datasheet": "https://ww1.microchip.com/downloads/aemDocuments/documents/MSLD/ProductDocuments/DataSheets/MCP45HVX1-Data-Sheet-DS20005304.pdf",
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    "distributor_links": {
      "lcsc": "C637117"
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      "source": "Component Ocean /api/assign-pns",
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    },
    "pins": [
      {
        "number": "1",
        "name": "VL",
        "type": "power_in",
        "description": "Positive digital power supply input, relative to DGND, ranging from 1.8V to 5.5V, with a decoupling capacitor to DGND recommended."
      },
      {
        "number": "2",
        "name": "SCL",
        "type": "input",
        "description": "I2C serial clock input, input-only for the I2C client device, with a Schmitt-trigger buffer."
      },
      {
        "number": "3",
        "name": "A1",
        "type": "input",
        "description": "I2C address bit 1 input, which together with A0 sets the device address so up to four devices can share one I2C bus."
      },
      {
        "number": "4",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C serial data pin, an open-drain N-channel driver that carries data in and out for the wiper and TCON registers."
      },
      {
        "number": "5",
        "name": "A0",
        "type": "input",
        "description": "I2C address bit 0 input, latched at POR/BOR, which together with A1 completes the device address."
      },
      {
        "number": "6",
        "name": "WLAT",
        "type": "input",
        "description": "Wiper latch enable that holds off transfer of the received wiper value to the Wiper register while held high and allows the update when low."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "Not internally connected to the die; to reduce noise coupling, connect to either DGND or VL."
      },
      {
        "number": "8",
        "name": "SHDN",
        "type": "input",
        "description": "Shutdown input that forces the resistor network terminals into the hardware shutdown state."
      },
      {
        "number": "9",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground reference for the device, with VL and the digital logic referenced to it."
      },
      {
        "number": "10",
        "name": "V-",
        "type": "power_in",
        "description": "Analog negative potential supply, which must be lower than or equal to the DGND pin potential."
      },
      {
        "number": "11",
        "name": "P0B",
        "type": "passive",
        "description": "Potentiometer 0 Terminal B, the fixed connection to the zero-scale wiper value, with voltage that must be between V+ and V-."
      },
      {
        "number": "12",
        "name": "P0W",
        "type": "passive",
        "description": "Potentiometer 0 wiper terminal, the adjustable terminal, with voltage that must be between V+ and V- and supporting both positive and negative current."
      },
      {
        "number": "13",
        "name": "P0A",
        "type": "passive",
        "description": "Potentiometer 0 Terminal A, the fixed connection to the full-scale wiper value, with voltage that must be between V+ and V-."
      },
      {
        "number": "14",
        "name": "V+",
        "type": "power_in",
        "description": "Analog positive potential supply, which must have a higher potential than the V- pin."
      }
    ],
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        "at": "2026-10-27T01:10:55"
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        "pages": 102,
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      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
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  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "TSSOP-14",
      "Category": "ADC/DAC/Data Conversion",
      "Pins": "14"
    },
    "characteristics": {
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          "name": "Voltage on V- with respect to DGND",
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          "name": "Voltage on VL with respect to V-",
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        {
          "name": "Maximum current into VL pin",
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          "name": "Maximum current into PXA, PXW, PXB pins (Continuous), RAB = 10 k",
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          "name": "Maximum output current sunk by any Output pin",
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          "conditions": "TA = +50°C, TJ = +150°C",
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        {
          "name": "ESD protection Human Body Model (HBM)",
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        {
          "name": "Maximum Junction Temperature (TJ)",
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        {
          "name": "Resistor Network Supply Voltage",
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        {
          "name": "VL Start Voltage to ensure Wiper Reset",
          "symbol": "VDPOR",
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        {
          "name": "V+ Voltage to ensure Wiper Reset",
          "symbol": "VAPOR",
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          "conditions": "With respect to V-, VL = 0V",
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        {
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          "kind": "recommended_operating",
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          "conditions": "VL to V- voltage.",
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        {
          "name": "Power Rail Voltages during Power-Up, digital powers up first",
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          "min": null,
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          "max": 5.5,
          "conditions": "Digital Powers (VL/DGND) up 1st: V+ and V- floating or as V+/V- powers-up (Note 18)",
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        {
          "name": "Supply Current, serial interface active (IDDD)",
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          "kind": "electrical",
          "unit": "µA",
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          "typ": 45,
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          "conditions": "Serial Interface Active, Write all 0's to Volatile Wiper 0 (address 0h), VL = 5.5V, FSCL = 3.4 MHz, V- = DGND",
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          "name": "Supply Current, serial interface inactive (IDDD)",
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          "kind": "electrical",
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          "typ": null,
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          "conditions": "VIN = VL and VIN = DGND",
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          "name": "Potentiometer Differential Nonlinearity, 10 k 8-bit",
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          "name": "Rheostat Integral Nonlinearity, 10 k 8-bit, 20V",
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