component
AL5871QT16E-13
Public Made by Adomby adom
Diodes Incorporated LED Drivers, TSSOP-16-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764
{
"schema_version": 1,
"type": "component",
"slug": "al5871qt16e-13",
"title": "AL5871QT16E-13",
"brief": "Diodes Incorporated LED Drivers, TSSOP-16-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"led drivers",
"al5871qt16e-13",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "AL5871QT16E-13",
"manufacturer": "Diodes Incorporated",
"package": "TSSOP-16-EP",
"pin_count": 17,
"category": "LED Drivers",
"subcategory": "LED Drivers",
"datasheet": "https://www.diodes.com/assets/Datasheets/AL5871QT16E-13.pdf",
"parts": {
"symbol": "al5871qt16e-13.kicad_sym",
"footprint": "al5871qt16e-13.kicad_mod",
"model_3d": "al5871qt16e-13-hero.glb",
"model_3d_plain": "al5871qt16e-13-etched.glb",
"model_3d_step": "al5871qt16e-13-etched.step",
"model_3d_step_plain": "al5871qt16e-13.step",
"lbr": "al5871qt16e-13.lbr"
},
"distributor_links": {
"lcsc": "C6463972",
"digikey": "31-AL5871QT16E-13TR-ND",
"mouser": "621-AL5871QT16E-13"
},
"distributor_check": {
"checked_at": "2026-10-26T17:19:53Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "31-AL5871QT16E-13TR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "621-AL5871QT16E-13",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "VIN",
"type": "power_in",
"description": "Power supply for the LED driver, 5V to 55V recommended operating range (65V absolute maximum)."
},
{
"number": "2",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "3",
"name": "PWM",
"type": "input",
"description": "PWM signal input, internally pulled down; high above 1.4V enables, low below 0.4V disables, and standby is entered after PWM stays low about 25ms."
},
{
"number": "4",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "5",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "6",
"name": "GND",
"type": "power_in",
"description": "Ground for the LED driver."
},
{
"number": "7",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "8",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "9",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "10",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "11",
"name": "LED",
"type": "passive",
"description": "Connect to the LED string cathode; current sink regulating up to 750mA, rated -0.3V to 65V."
},
{
"number": "12",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "13",
"name": "DEN",
"type": "input",
"description": "Enable for LED open-circuit detection (enabled above 1.2V, disabled below 1.1V) and thermal fold-back (enabled above 0.3V, disabled below 0.2V)."
},
{
"number": "14",
"name": "REF",
"type": "passive",
"description": "Reference current setting pin; a resistor RREF to ground sets LED current (ILED = 12000 x VREF/RREF, 24kΩ gives 750mA)."
},
{
"number": "15",
"name": "ADIM",
"type": "input",
"description": "Analog dimming input, driven with DC voltage 0.3V to 1.5V; LED current shuts off below 0.15V."
},
{
"number": "16",
"name": "FAULTB",
"type": "bidirectional",
"description": "Open-drain fault report asserted low on UVLO, OTP, LED open or LED short conditions, with internal pullup and input detection for bus sharing."
},
{
"number": "17",
"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 Pin Assignments top-view diagram on page 1 extracted as garbled text and appears inconsistent wi; Pin types for LED (current sink) and REF are not stated by the datasheet; classified as passive. FAU; Exposed pad has no pin number in the datasheet; labelled EP."
],
"pages_sent": 15,
"cost_usd": 0.1661,
"at": "2026-10-26T17:19:41"
},
"datasheet": {
"url": "https://www.diodes.com/assets/Datasheets/AL5871QT16E-13.pdf",
"pages": 15,
"sha256": "7c0ad244f9a165ff",
"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": "al5871qt16e-13.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.4,
5,
1.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "7982746831c0bd23f4690608869ad67776faae5c762fb0376666126a3998921b",
"checked": "2026-10-26",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "al5871qt16e-13-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.4,
5,
1.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "03309d87d57427ac341d156737aa5a4aa4d2af95b64fe318bc5694530657b501",
"checked": "2026-10-26",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Diodes Incorporated",
"Package": "TSSOP-16-EP",
"Category": "LED Drivers",
"Pins": "17"
},
"appearance": {
"contacts": {
"quote": " Terminals: Finish – Matte Tin Plated Leads, Solderable per JESD22-B102 Weight: 0.055 grams (Approximate)",
"page": 14,
"doc": "ds.pdf",
"plating": "tin"
},
"version": 1,
"datasheet_sha256": "7c0ad244f9a165ff14e192ab5d7d75b56218fcfdc774367bcfeb2d802030521a"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "7c0ad244f9a165ff14e192ab5d7d75b56218fcfdc774367bcfeb2d802030521a",
"rows": [
{
"name": "VIN UVLO Voltage",
"symbol": "VVIN_UVLO",
"kind": "electrical",
"unit": "V",
"min": 4.75,
"typ": 5,
"max": 5.25,
"conditions": "VVIN Rising",
"source_page": 4,
"source": "datasheet"
},
{
"name": "PWM Logic Low Voltage",
"symbol": "VIL_PWM",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.4,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "PWM Logic High Voltage",
"symbol": "VIH_PWM",
"kind": "electrical",
"unit": "V",
"min": 1.4,
"typ": null,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "PWM Internal Pulldown",
"symbol": "IPWM_PD",
"kind": "electrical",
"unit": "μA",
"min": 0.35,
"typ": null,
"max": 3.5,
"conditions": "VPWM = 5V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Entrance Time for Standby Mode When PWM is Low",
"symbol": "tPWM_SHDN",
"kind": "timing",
"unit": "ms",
"min": null,
"typ": 15,
"max": 25,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Voltage Range on ADIM Pin For Analog Dimming",
"symbol": "VADIM",
"kind": "electrical",
"unit": "V",
"min": 0.3,
"typ": null,
"max": 1.5,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "DC Voltage on ADIM Pin for Analog Dimming On",
"symbol": "VADIM_ON",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.35,
"conditions": "VADIM Rising",
"source_page": 4,
"source": "datasheet"
},
{
"name": "DC Voltage on ADIM Pin for Analog Dimming Off",
"symbol": "VADIM_OFF",
"kind": "electrical",
"unit": "V",
"min": 0.15,
"typ": null,
"max": null,
"conditions": "VADIM Falling",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ADIM Sourcing Current",
"symbol": "IADIM",
"kind": "electrical",
"unit": "µA",
"min": 19,
"typ": 20,
"max": 22,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Base Reference Voltage",
"symbol": "VREF",
"kind": "electrical",
"unit": "V",
"min": 1.47,
"typ": 1.5,
"max": 1.53,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "LED Pin Leakage Current",
"symbol": "ILED_LEAK",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 0.1,
"max": 5,
"conditions": "VPWM = 0V, VLED = 12V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "LED Current Accuracy",
"symbol": "ILED_ACCURACY",
"kind": "tolerance",
"unit": "%",
"min": -4,
"typ": null,
"max": 4,
"conditions": "RREF = 48kΩ",
"source_page": 4,
"source": "datasheet"
},
{
"name": "FAULTB Output Low Voltage",
"symbol": "VFOL",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": null,
"max": 600,
"conditions": "IFAULTB = 1mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "FAULTB Leakage Current",
"symbol": "IF_LKG",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": null,
"max": 5,
"conditions": "VFAULTB = 5V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VIN UVLO Hysteresis",
"symbol": "VVIN_UVLO_HYS",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 300,
"max": null,
"conditions": "VVIN Falling",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input Current in Standby Mode",
"symbol": "IVIN_Standby",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 300,
"max": null,
"conditions": "Standby Mode, PWM is “L” for 7ms",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input Current in Normal Mode",
"symbol": "IDVCC_Q",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 0.7,
"max": null,
"conditions": "Enabled, LED Pin Floating, PWM is “H”, RSET is 48kΩ",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Regulation Current",
"symbol": "ILED_NOM",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 375,
"max": null,
"conditions": "RREF = 48kΩ",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Minimum LED Regulation Voltage",
"symbol": "VLED_REG",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.2,
"max": null,
"conditions": "ILED = 125mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "FAULTB Pullup Current",
"symbol": "IF_PULLUP",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 500,
"max": null,
"conditions": "VFAULTB = 1.6V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "FAULTB Pullup Voltage",
"symbol": "VF_PULLUP",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 3,
"max": null,
"conditions": "Fault Pin Floating",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Thermal Shutdown Threshold",
"symbol": "TSHDN",
"kind": "electrical",
"unit": "℃",
"min": null,
"typ": 160,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Thermal Recovery Threshold",
"symbol": "TREC",
"kind": "electrical",
"unit": "℃",
"min": null,
"typ": 130,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input Voltage Relative to GND",
"symbol": "VVIN",
"kind": "recommended_operating",
"unit": "V",
"min": 5,
"typ": null,
"max": 55,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "PWM Frequency",
"symbol": "fPWM",
"kind": "recommended_operating",
"unit": "kHz",
"min": 0.2,
"typ": null,
"max": 1,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "LED Output Current",
"symbol": "ILED",
"kind": "recommended_operating",
"unit": "mA",
"min": 0,
"typ": null,
"max": 750,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "High-Level Input Voltage on PWM",
"symbol": "VIH",
"kind": "recommended_operating",
"unit": "V",
"min": 1.4,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Low-Level Input Voltage on PWM",
"symbol": "VIL",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": 0.4,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Operating Junction Temperature",
"symbol": "TJ",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Operating Ambient Temperature",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Input Voltage Relative to GND",
"symbol": "VVIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 65,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "LED, DEN, PWM and FAULTB Voltage Relative to GND",
"symbol": "VLED, VDEN, VPWM, VFAULTB",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 65,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "REF and ADIM Voltage Relative to GND",
"symbol": "VREF, VADIM",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Operating Junction Temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Storage Temperature",
"symbol": "TST",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Human-Body Model (HBM)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 2000,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Charged-Device Model (CDM)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 1000,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Junction-to-Ambient Thermal Resistance",
"symbol": "θJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 42.7,
"max": null,
"conditions": "Device mounted on 2” x 2” FR-4 substrate PCB, 2oz copper, with minimum recommended pad on top layer and thermal vias to bottom layer ground plane",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Junction-to-Case (Top) Thermal Resistance",
"symbol": "θJC",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 3.4,
"max": null,
"conditions": "Device mounted on 2” x 2” FR-4 substrate PCB, 2oz copper, with minimum recommended pad on top layer and thermal vias to bottom layer ground plane",
"source_page": 3,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"al5871qt16e-13"
],
"discovery_pitch": "AL5871QT16E-13 (Diodes Incorporated) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"al5871qt16e-13.kicad_sym",
"al5871qt16e-13.kicad_mod",
"al5871qt16e-13.glb",
"al5871qt16e-13.step",
"al5871qt16e-13.lbr",
"docs/hero.png",
"docs/al5871qt16e-13-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"al5871qt16e-13-hero.glb",
"al5871qt16e-13-hero.overlay.json",
"al5871qt16e-13-etched.glb"
],
"visibility": {
"public": true
}
}