component
MAX40109IATP+
Public Made by Adomby adom
ANALOG DEVICES INC Global Sourcing Parts, TQFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"description": "ANALOG DEVICES INC Global Sourcing Parts, TQFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"component": {
"mpn": "MAX40109IATP+",
"manufacturer": "ANALOG DEVICES INC",
"package": "TQFN-20-EP(4x4)",
"pin_count": 21,
"category": "Global Sourcing Parts",
"subcategory": "Global Sourcing Parts",
"datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/max40109.pdf",
"parts": {
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"footprint": "max40109iatp.kicad_mod",
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"lbr": "max40109iatp.lbr"
},
"distributor_links": {
"lcsc": "C24193613",
"digikey": "505-MAX40109IATP+-ND",
"mouser": "700-MAX40109IATP+"
},
"distributor_check": {
"checked_at": "2026-10-31T06:43:23Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "505-MAX40109IATP+-ND",
"status": "found"
},
"mouser": {
"pn": "700-MAX40109IATP+",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "REFIN",
"type": "input",
"description": "Input reference and bypass capacitor (100nF) for the internal reference; a Config Register bit selects external or internal voltage reference, abs max -0.3V to +2V."
},
{
"number": "2",
"name": "INP+",
"type": "input",
"description": "Non-inverting pressure sensor input; up to 10nF may be connected between INP+ and INP-."
},
{
"number": "3",
"name": "NC",
"type": "unconnected",
"description": "Do not connect."
},
{
"number": "4",
"name": "INP-",
"type": "input",
"description": "Inverting pressure sensor input; up to 10nF may be connected between INP+ and INP-."
},
{
"number": "5",
"name": "AGND",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "6",
"name": "DRV",
"type": "output",
"description": "Sensor bridge drive (current or voltage), also used to measure bridge temperature as a voltage; abs max -0.3V to +6V."
},
{
"number": "7",
"name": "DGND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "8",
"name": "INT",
"type": "input",
"description": "Input temperature: connect to either a diode or a thermistor; abs max -0.3V to +6V."
},
{
"number": "9",
"name": "SDA",
"type": "bidirectional",
"description": "I2C data line; abs max -0.3V to +6V."
},
{
"number": "10",
"name": "FB+",
"type": "input",
"description": "Output amplifier feedback input, positive; abs max -1.5V to +5V."
},
{
"number": "11",
"name": "FB-",
"type": "input",
"description": "Output amplifier feedback input, negative; abs max -0.3V to +6V."
},
{
"number": "12",
"name": "OUT",
"type": "output",
"description": "Analog output and PLC serial interface output; abs max -40V to +40V."
},
{
"number": "13",
"name": "NC",
"type": "unconnected",
"description": "Do not connect."
},
{
"number": "14",
"name": "DQ",
"type": "bidirectional",
"description": "1-Wire serial input/output that must be held at logic high when idle; abs max -1.5V to +6V."
},
{
"number": "15",
"name": "VDD2V",
"type": "power_out",
"description": "Internal 1.8V LDO output; bypass with a 220nF capacitor."
},
{
"number": "16",
"name": "SCL",
"type": "input",
"description": "I2C clock input; abs max -0.3V to +6V."
},
{
"number": "17",
"name": "VDD5V",
"type": "power_out",
"description": "Internal 5V LDO output; bypass with a 220nF capacitor."
},
{
"number": "18",
"name": "ALERT",
"type": "output",
"description": "Active-low alert interrupt output; see ALERT Mode section for functionality."
},
{
"number": "19",
"name": "VDDHV",
"type": "power_in",
"description": "Main positive supply and PLC serial interface input, 3V to 36V; suggested bypass 10nF to 100nF in voltage output mode, maximum 10nF in current output mode."
},
{
"number": "20",
"name": "NC",
"type": "unconnected",
"description": "Do not connect."
},
{
"number": "21",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"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: The datasheet's pin table has no separate GND pin for the TQFN; GND is listed only for WLP (B2). The; The REFIN type is ambiguous: it is both a reference input and a bypass node for the internal referen"
],
"pages_sent": 13,
"cost_usd": 0.1113,
"at": "2026-10-31T06:43:15"
},
"datasheet": {
"url": "https://www.analog.com/media/en/technical-documentation/data-sheets/max40109.pdf",
"pages": 61,
"sha256": "7e41f73f92faaa17",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 21,
"described": 21,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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"checked": "2026-10-31",
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},
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}