component
LTC4217CDHC#TRPBF
Public Made by Adomby adom
Analog Devices Surge Suppressors, DFN-16-EP(3x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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{
"slug": "ltc4217cdhc-trpbf",
"version": "0.1.0",
"type": "component",
"description": "Analog Devices Surge Suppressors, DFN-16-EP(3x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"tvs-fuse-board level protection",
"ltc4217cdhc#trpbf",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"ltc4217cdhc-trpbf.kicad_sym",
"ltc4217cdhc-trpbf.kicad_mod",
"ltc4217cdhc-trpbf.glb",
"ltc4217cdhc-trpbf.step",
"ltc4217cdhc-trpbf.lbr",
"docs/hero.png",
"docs/ltc4217cdhc-trpbf-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ltc4217cdhc-trpbf-hero.glb",
"ltc4217cdhc-trpbf-hero.overlay.json"
],
"component": {
"mpn": "LTC4217CDHC#TRPBF",
"manufacturer": "Analog Devices",
"package": "DFN-16-EP(3x5)",
"pin_count": 17,
"category": "TVS/Fuse/Board Level Protection",
"subcategory": "Surge Suppressors",
"datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/4217fg.pdf",
"parts": {
"symbol": "ltc4217cdhc-trpbf.kicad_sym",
"footprint": "ltc4217cdhc-trpbf.kicad_mod",
"model_3d": "ltc4217cdhc-trpbf-hero.glb",
"model_3d_step": "ltc4217cdhc-trpbf.step",
"lbr": "ltc4217cdhc-trpbf.lbr",
"model_3d_plain": "ltc4217cdhc-trpbf.glb"
},
"distributor_links": {
"lcsc": "C687462",
"digikey": "LTC4217CDHC#TRPBFTR-ND",
"mouser": "584-LTC4217CDHCTRPBF"
},
"distributor_check": {
"checked_at": "2026-10-30T21:18:41Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "LTC4217CDHC#TRPBFTR-ND",
"status": "found"
},
"mouser": {
"pn": "584-LTC4217CDHCTRPBF",
"status": "found",
"lifecycle": "Restricted Availability"
}
},
"pins": [
{
"number": "1",
"name": "VDD",
"type": "power_in",
"description": "Supply voltage and current sense input with a 2.9V to 26.5V operating range and a 2.73V undervoltage lockout threshold."
},
{
"number": "2",
"name": "UV",
"type": "input",
"description": "Undervoltage comparator input; the switch turns off when UV falls below 1.15V, and pulling it below 0.62V resets an overcurrent fault. Tie high if unused."
},
{
"number": "3",
"name": "OV",
"type": "input",
"description": "Overvoltage comparator input; the switch turns off when OV rises above 1.235V. Tie to GND if unused."
},
{
"number": "4",
"name": "TIMER",
"type": "passive",
"description": "Timer input; a capacitor to ground sets a 12ms/µF current-limit duration before the switch turns off, and tying it to INTVCC gives a fixed 2ms overcurrent delay and 100ms auto-retry."
},
{
"number": "5",
"name": "INTVCC",
"type": "power_out",
"description": "Internal 3.1V supply decoupling output that must have a 1µF or larger bypass capacitor and must not be overloaded."
},
{
"number": "6",
"name": "GND",
"type": "power_in",
"description": "Device ground."
},
{
"number": "7",
"name": "OUT",
"type": "passive",
"description": "Output of the internal MOSFET switch, connected directly to the load."
},
{
"number": "8",
"name": "OUT",
"type": "passive",
"description": "Output of the internal MOSFET switch, connected directly to the load."
},
{
"number": "9",
"name": "OUT",
"type": "passive",
"description": "Output of the internal MOSFET switch, connected directly to the load."
},
{
"number": "10",
"name": "GATE",
"type": "output",
"description": "Gate drive for the internal N-channel MOSFET, with a 24µA pull-up, a 0.3V/ms start-up ramp, a 250µA pull-down during UV/OV faults, and a 140mA fast pull-down during short-circuit or UVLO."
},
{
"number": "11",
"name": "PG",
"type": "output",
"description": "Open-drain power good output that pulls low when FB falls below 1.21V and releases high when FB rises above 1.23V and GATE-to-OUT exceeds 4.2V."
},
{
"number": "12",
"name": "FLT",
"type": "output",
"description": "Open-drain overcurrent fault output that pulls low when the circuit breaker trips; tie to UV for overcurrent auto-retry."
},
{
"number": "13",
"name": "FB",
"type": "input",
"description": "Foldback and power good input; below 0.6V the current limit is reduced by foldback, and below 1.21V the PG pin pulls low."
},
{
"number": "14",
"name": "IMON",
"type": "output",
"description": "Current monitor output sourcing the MOSFET current divided by 20,000; a 20k resistor to GND gives 0V to 2V for 0A to 2A."
},
{
"number": "15",
"name": "ISET",
"type": "output",
"description": "Current limit adjustment pin; leave open for a 2A limit, and RSET to ground should not be less than 2k."
},
{
"number": "16",
"name": "VDD",
"type": "power_in",
"description": "Supply voltage and current sense input with a 2.9V to 26.5V operating range and a 2.73V undervoltage lockout threshold."
},
{
"number": "17",
"name": "SENSE",
"type": "passive",
"description": "Exposed pad and current sense node / MOSFET drain that limits the VDD-to-SENSE voltage to 15mV (2A) or less and must be soldered to an electrically isolated PCB trace for heat transfer."
}
],
"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 pin-to-number mapping for the DHC package was inferred from the garbled text extraction of the p; The page 2 drawing extraction lists OUT on multiple pins without a clear per-pin assignment; pins 7,; Pin types (passive, output, power_out) are assigned by function from the pin description text, since",
"2/17 pins cited to the wrong page (name found elsewhere): ['16:VDD@p7', '17:SENSE@p7']"
],
"pages_sent": 14,
"cost_usd": 0.1016,
"at": "2026-10-30T21:18:26"
},
"datasheet": {
"url": "https://www.analog.com/media/en/technical-documentation/data-sheets/4217fg.pdf",
"pages": 20,
"sha256": "ec0c241caa1e59bf",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 17,
"described": 17,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "ltc4217cdhc-trpbf.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
3.0,
4.98,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "2b98bf3b221ad7e6dd0fbf429508385877047e776bac6f8d346659838d57c1be",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "DHC16",
"source_page": 17,
"D": {
"nom_mm": 5.0,
"range_mm": [
null,
null
]
},
"E1": {
"nom_mm": 3.0,
"range_mm": [
null,
null
]
},
"e": {
"nom_mm": 0.5,
"range_mm": [
null,
null
]
},
"A": {
"nom_mm": 0.75,
"range_mm": [
null,
null
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "ltc4217cdhc-trpbf.step",
"verdict": "PASS",
"reasons": [
"height within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
}
}