component
MCP4441-502E
Public Made by Adomby adom
Microchip Tech Digital Potentiometers, QFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "MCP4441-502E",
"brief": "Microchip Tech Digital Potentiometers, QFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
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"package": "QFN-20-EP(4x4)",
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"description": "Terminal B of potentiometer 3, the fixed zero-scale connection (wiper code 0x00), with a voltage that must stay between VSS and VDD."
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{
"number": "3",
"name": "SCL",
"type": "input",
"description": "I2C serial clock input, a high-voltage tolerant Schmitt-trigger input that accepts only external clock signals since the device is a slave."
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{
"number": "4",
"name": "SDA",
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"description": "I2C serial data I/O implemented as an open-drain N-channel driver."
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{
"number": "5",
"name": "VSS",
"type": "power_in",
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{
"number": "6",
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"type": "passive",
"description": "Terminal B of potentiometer 1, the fixed zero-scale connection (wiper code 0x00), with a voltage that must stay between VSS and VDD."
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{
"number": "7",
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{
"number": "8",
"name": "P1A",
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"description": "Terminal A of potentiometer 1 (available on MCP44X1 devices), the fixed full-scale connection with its voltage kept between VSS and VDD."
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{
"number": "9",
"name": "P0A",
"type": "passive",
"description": "Terminal A of potentiometer 0 (available on MCP44X1 devices), the fixed full-scale connection with its voltage kept between VSS and VDD."
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{
"number": "10",
"name": "P0W",
"type": "passive",
"description": "Wiper terminal of potentiometer 0, which may carry positive or negative current with its voltage kept between VSS and VDD."
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{
"number": "11",
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{
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{
"number": "13",
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{
"number": "14",
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"description": "I2C Address 1 input, a high-voltage tolerant Schmitt-trigger input that together with A0 sets the device address."
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{
"number": "15",
"name": "VDD",
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"description": "Positive power supply input relative to VSS, where electrical performance may not meet datasheet specifications while VDD is below 2.7V."
},
{
"number": "16",
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"description": "Terminal B of potentiometer 2, the fixed zero-scale connection (wiper code 0x00), with a voltage that must stay between VSS and VDD."
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{
"number": "18",
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"description": "Terminal A of potentiometer 2 (available on MCP44X1 devices), the fixed full-scale connection with its voltage kept between VSS and VDD."
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{
"number": "19",
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"description": "Terminal A of potentiometer 3 (available on MCP44X1 devices), the fixed full-scale connection with its voltage kept between VSS and VDD."
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{
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"name": "P3W",
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"description": "Wiper terminal of potentiometer 3, which may carry positive or negative current with its voltage kept between VSS and VDD."
},
{
"number": "21",
"name": "EP",
"type": "passive",
"description": "Exposed pad conductively connected to the die substrate, which should be tied to the VSS potential or left unconnected and can serve as a heat sink."
}
],
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"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
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"extractor flagged: Pin numbers were taken from the QFN 20L column of Table 3-1 (page 39), which is the only QFN pin map; The ordering/part-number decoding for the suffix '-502E' is not in the excerpt. The QFN package (cod; Pin types were mapped to KiCad classes from the Buffer Type column: analog potentiometer terminals a"
],
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"at": "2026-10-29T02:08:28"
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"Package": "QFN-20-EP(4x4)",
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"rows": [
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"name": "RAB resistance (-502, 5 kΩ)",
"symbol": "RAB",
"kind": "tolerance",
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"min": 4,
"typ": 5,
"max": 6,
"conditions": "-502 devices (Note 1)",
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{
"name": "RAB resistance tolerance",
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{
"name": "Nominal resistance match (5 kΩ, MCP44X1)",
"symbol": "(|RABWC - RABMEAN|)/RABMEAN",
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"min": null,
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{
"name": "Ratiometric resistance match (5 kΩ)",
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"source": "datasheet"
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"name": "Wiper resistance",
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"unit": "Ω",
"min": null,
"typ": 75,
"max": 160,
"conditions": "VDD = 5.5 V, IW = 2.0 mA, code = 00h",
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{
"name": "Wiper resistance",
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"name": "VDD supply voltage",
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{
"name": "VDD supply voltage (device operation)",
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"min": 1.8,
"typ": null,
"max": 2.7,
"conditions": "Serial Interface only.",
"source_page": 4,
"source": "datasheet"
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{
"name": "Voltage range on HVC/A0, SDA, SCL, A1, WP, RESET",
"symbol": "VHV",
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"unit": "V",
"min": null,
"typ": null,
"max": 12.5,
"conditions": "VDD ≥ 4.5V",
"source_page": 4,
"source": "datasheet"
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{
"name": "VDD start voltage to ensure wiper reset (POR/BOR)",
"symbol": "VBOR",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 1.65,
"conditions": "RAM retention voltage (VRAM) < VBOR",
"source_page": 4,
"source": "datasheet"
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{
"name": "Delay after device exits reset state",
"symbol": "TBORD",
"kind": "timing",
"unit": "µs",
"min": null,
"typ": 10,
"max": 20,
"conditions": "VDD > VBOR",
"source_page": 4,
"source": "datasheet"
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{
"name": "Supply current (serial interface active)",
"symbol": "IDD",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 600,
"conditions": "Serial Interface Active, HVC/A0 = VIH (or VIL) (Note 11); write all 0's to volatile Wiper 0; VDD = 5.5V, FSCL @ 3.4 MHz",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Supply current (serial interface active)",
"symbol": "",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 250,
"conditions": "Serial Interface Active, HVC/A0 = VIH (or VIL) (Note 11); write all 0's to volatile Wiper 0; VDD = 5.5V, FSCL @ 100 kHz",
"source_page": 4,
"source": "datasheet"
},
{
"name": "EE write current (write cycle, nonvolatile device)",
"symbol": "",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 575,
"conditions": "VDD = 5.5V, FSCL = 400 kHz, write all 0's to nonvolatile Wiper 0, SCL = VIL or VIH",
"source_page": 4,
"source": "datasheet"
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{
"name": "Serial interface inactive current",
"symbol": "",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 2.5,
"max": 5,
"conditions": "Stop condition, SCL = SDA = VIH, Wiper = 0; VDD = 5.5V, HVC/A0 = VIH",
"source_page": 4,
"source": "datasheet"
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{
"name": "Maximum current through terminal A",
"symbol": "IW",
"kind": "absolute_maximum",
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"min": null,
"typ": null,
"max": 2.5,
"conditions": "Terminal A IAW, W = Full Scale (FS)",
"source_page": 6,
"source": "datasheet"
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{
"name": "Maximum current through terminal B",
"symbol": "",
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"typ": null,
"max": 2.5,
"conditions": "Terminal B IBW, W = Zero Scale (ZS)",
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"source": "datasheet"
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{
"name": "Maximum current through terminal W",
"symbol": "",
"kind": "absolute_maximum",
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"min": null,
"typ": null,
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"conditions": "Terminal W IAW (W = FS) or IBW (W = ZS)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Maximum RAB current (5 kΩ device)",
"symbol": "IAB",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 1.38,
"conditions": "VB = 0V, VA = 5.5V, RAB(MIN) = 4000Ω",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Full scale error (MCP44X1), 7-bit",
"symbol": "VWFSE",
"kind": "tolerance",
"unit": "LSb",
"min": -4,
"typ": -0.1,
"max": null,
"conditions": "5 kΩ, 7-bit code = 80h, 3.0V ≤ VDD ≤ 5.5V",
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{
"name": "Zero scale error (MCP44X1), 7-bit",
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"kind": "tolerance",
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"min": null,
"typ": 0.1,
"max": 3,
"conditions": "5 kΩ, 7-bit code = 00h, 3.0V ≤ VDD ≤ 5.5V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Potentiometer integral non-linearity, 7-bit",
"symbol": "INL",
"kind": "tolerance",
"unit": "LSb",
"min": -0.5,
"typ": 0.25,
"max": 0.5,
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{
"name": "Potentiometer differential non-linearity, 7-bit",
"symbol": "DNL",
"kind": "tolerance",
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"min": -0.25,
"typ": 0.125,
"max": 0.25,
"conditions": "7-bit",
"source_page": 7,
"source": "datasheet"
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{
"name": "Rheostat integral non-linearity (MCP44X1, Note 8)",
"symbol": "R-INL",
"kind": "tolerance",
"unit": "LSb",
"min": -1.125,
"typ": 0.5,
"max": 1.125,
"conditions": "5 kΩ 7-bit 5.5V, IW = 900 µA",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Rheostat integral non-linearity (MCP44X1, Note 8)",
"symbol": "R-INL",
"kind": "tolerance",
"unit": "LSb",
"min": -6,
"typ": 4.5,
"max": 6,
"conditions": "5 kΩ 7-bit 3.0V, IW = 480 µA (Note 7)",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Rheostat differential non-linearity (MCP44X1, Note 8)",
"symbol": "R-DNL",
"kind": "tolerance",
"unit": "LSb",
"min": -0.375,
"typ": 0.25,
"max": 0.375,
"conditions": "5 kΩ 7-bit 5.5V, IW = 900 µA",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Rheostat differential non-linearity (MCP44X1, Note 8)",
"symbol": "R-DNL",
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"unit": "LSb",
"min": -0.75,
"typ": 0.5,
"max": 0.75,
"conditions": "5 kΩ 7-bit 3.0V, IW = 480 µA (Note 7)",
"source_page": 9,
"source": "datasheet"
},
{
"name": "WiperLock high-voltage input entry voltage",
"symbol": "VIHHEN",
"kind": "electrical",
"unit": "V",
"min": 9,
"typ": null,
"max": 12.5,
"conditions": "Threshold for WiperLock Technology",
"source_page": 10,
"source": "datasheet"
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{
"name": "High voltage limit",
"symbol": "VMAX",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
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"conditions": "Pin can tolerate VMAX or less.",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Output low voltage (SDA)",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.4,
"conditions": "VDD ≥ 2.0V, IOL = 3 mA",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Weak pull-up current",
"symbol": "IPU",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 1.75,
"conditions": "Internal VDD pull-up, VIHH pull-down, VDD = 5.5V, VHVC = 12.5V",
"source_page": 11,
"source": "datasheet"
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{
"name": "Input leakage current",
"symbol": "IIL",
"kind": "electrical",
"unit": "µA",
"min": -1,
"typ": null,
"max": 1,
"conditions": "VIN = VDD (all pins) and VIN = VSS (all pins except RESET)",
"source_page": 11,
"source": "datasheet"
},
{
"name": "EEPROM programming write cycle time",
"symbol": "tWC",
"kind": "timing",
"unit": "ms",
"min": null,
"typ": 3,
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"conditions": "",
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"source": "datasheet"
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{
"name": "Power supply sensitivity (7-bit)",
"symbol": "PSS",
"kind": "voltage_coefficient",
"unit": "%/%",
"min": null,
"typ": 0.0015,
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