component
INK1105DN
Public Made by Adomby adom
Cross chip LED Drivers, DFN-8-EP(2x2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657
{
"schema_version": 1,
"type": "component",
"slug": "ink1105dn",
"title": "INK1105DN",
"brief": "Cross chip LED Drivers, DFN-8-EP(2x2). 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",
"ink1105dn",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "INK1105DN",
"manufacturer": "Cross chip",
"package": "DFN-8-EP(2x2)",
"pin_count": 9,
"category": "LED Drivers",
"subcategory": "LED Drivers",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944756495409152",
"parts": {
"symbol": "ink1105dn.kicad_sym",
"footprint": "ink1105dn.kicad_mod",
"model_3d": "ink1105dn-hero.glb",
"model_3d_plain": "ink1105dn-etched.glb",
"model_3d_step": "ink1105dn-etched.step",
"model_3d_step_plain": "ink1105dn.step",
"lbr": "ink1105dn.lbr"
},
"distributor_links": {
"lcsc": "C2840171"
},
"distributor_check": {
"checked_at": "2026-10-18T16:43:09Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "DRV",
"type": "output",
"description": "LED drive pin; the datasheet gives a maximum DRV pin voltage of 7.0 V and a maximum DRV pin current of 800 mA."
},
{
"number": "2",
"name": "VCC",
"type": "power_in",
"description": "Supply pin with built-in reverse-polarity protection, so no external protection device is needed; absolute range is -6.0 V to 6.0 V."
},
{
"number": "3",
"name": "VREF",
"type": "power_out",
"description": "2.1 V reference voltage output with a maximum load capability of 1 mA."
},
{
"number": "4",
"name": "DIM",
"type": "input",
"description": "Dimming control pin for analog or digital dimming; in analog mode its voltage is attenuated 5x, and in digital mode it is compared with the CT pin voltage to produce the PWM signal."
},
{
"number": "5",
"name": "FS0",
"type": "input",
"description": "Dimming function select pin with an internal pull-up resistor."
},
{
"number": "6",
"name": "CT",
"type": "passive",
"description": "Digital dimming frequency or flash frequency setting pin; a capacitor connected here sets the frequency."
},
{
"number": "7",
"name": "FS1",
"type": "input",
"description": "Dimming function select pin with an internal pull-up resistor."
},
{
"number": "8",
"name": "FB",
"type": "input",
"description": "Feedback pin; a resistor connected from this pin to ground sets the LED drive current."
},
{
"number": "9",
"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-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 exposed pad is printed as 'GND EP' with no numeric lead number. It is listed here as 'EP' and sh; The datasheet gives no pin type labels. The types for CT (passive), FB (input) and DRV (output) are ",
"exposed pad 9 added from the footprint",
"dropped thermal pad ['EP'] absent from footprint"
],
"pages_sent": 7,
"cost_usd": 0.0345,
"at": "2026-10-18T16:42:56"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944756495409152",
"pages": 7,
"sha256": "54ff346554e24d9f",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 9,
"described": 9,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "ink1105dn.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2,
1.98,
0.92
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "914cd301aa2efff54a7c18fe40fe21c25b277d6109b6cb10afb266387128ddd0",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ink1105dn-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2,
1.98,
0.92
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "d4b48770b68d4205fae81ec9b434fda3a06adc2ec14aae2a9d87671ca7ac5958",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Cross chip",
"Package": "DFN-8-EP(2x2)",
"Category": "LED Drivers",
"Pins": "9"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "54ff346554e24d9f1e7022421422e3f16ef9113cae471c781b634efc5d4e0182",
"rows": [
{
"name": "Operating supply voltage range",
"symbol": "VCC",
"kind": "electrical",
"unit": "V",
"min": 2.2,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Static supply current",
"symbol": "ICC",
"kind": "electrical",
"unit": "uA",
"min": 500,
"typ": 1000,
"max": 1500,
"conditions": "DIM 悬空，VCC=5V，RFB=5Ω, VDRV=2V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Reverse-connection supply current",
"symbol": "ICCR",
"kind": "electrical",
"unit": "uA",
"min": -50,
"typ": -10,
"max": null,
"conditions": "VCC=-6V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Reference voltage output",
"symbol": "VREFO",
"kind": "electrical",
"unit": "V",
"min": 2.05,
"typ": 2.1,
"max": 2.15,
"conditions": "ILOAD=200uA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Supply regulation",
"symbol": "%/dVCC",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": 0.1,
"max": 0.3,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Load regulation",
"symbol": "%/dIREF",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": 0.1,
"max": 0.3,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Current-setting reference voltage",
"symbol": "VREFI",
"kind": "electrical",
"unit": "mV",
"min": 145,
"typ": 150,
"max": 155,
"conditions": "VDRV=0.5V, RFB=2Ω",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output saturation voltage",
"symbol": "VSAT",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 100,
"max": 200,
"conditions": "IOUT=200mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output current linear regulation",
"symbol": "%/dVCC",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": 0.1,
"max": 0.3,
"conditions": "RFB=2Ω，VDRV=2V，VCC=2.0~5.5V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Off-state output current",
"symbol": "IOUT",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 0.1,
"max": 10,
"conditions": "VDRV=7V， MODE=HIGH，DIM=0",
"source_page": 3,
"source": "datasheet"
},
{
"name": "PWM frequency",
"symbol": "FPWM",
"kind": "electrical",
"unit": "Hz",
"min": 400,
"typ": 500,
"max": 600,
"conditions": "CT=100nF",
"source_page": 3,
"source": "datasheet"
},
{
"name": "PWM frequency adjustment range",
"symbol": "",
"kind": "electrical",
"unit": "Hz",
"min": 100,
"typ": null,
"max": 1000,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Duty cycle range",
"symbol": "",
"kind": "electrical",
"unit": "%",
"min": 0,
"typ": null,
"max": 100,
"conditions": "FPWM=200Hz",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Oscillator source current",
"symbol": "ISOURCE",
"kind": "electrical",
"unit": "μA",
"min": 16,
"typ": 20,
"max": 24,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Oscillator sink current",
"symbol": "ISINK",
"kind": "electrical",
"unit": "μA",
"min": 16,
"typ": 20,
"max": 24,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "50% duty-cycle drive accuracy",
"symbol": "D%",
"kind": "electrical",
"unit": "%",
"min": 49.5,
"typ": 50,
"max": 50.5,
"conditions": "FS=0，A/D=0",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Recommended supply voltage",
"symbol": "VCC",
"kind": "recommended_operating",
"unit": "V",
"min": 2.3,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Recommended continuous drive current",
"symbol": "IDD",
"kind": "recommended_operating",
"unit": "mA",
"min": null,
"typ": null,
"max": 500,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Recommended PWM frequency",
"symbol": "FPWM",
"kind": "recommended_operating",
"unit": "Hz",
"min": 0.1,
"typ": null,
"max": 1000,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Recommended ambient temperature",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -20,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Supply voltage VCC (absolute maximum)",
"symbol": "VCC",
"kind": "absolute_maximum",
"unit": "V",
"min": -6,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "DRV pin drive voltage (absolute maximum)",
"symbol": "VDRV",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "DRV pin drive current (absolute maximum)",
"symbol": "IDRV",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 800,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Other pin voltage (absolute maximum)",
"symbol": "VX",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Continuous output current (absolute maximum)",
"symbol": "IOUTC",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 550,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Thermal resistance, transistor junction to pin (DFN2X2)",
"symbol": "Rth（j-s）2（DFN2X2）",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": null,
"max": 60,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Maximum power dissipation (DFN2X2)",
"symbol": "P(DMAX1)（DFN2X2）",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 1200,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating ambient temperature range (absolute maximum)",
"symbol": "TA",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating junction temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 160,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "ESD HBM rating",
"symbol": "ESD(HBM)",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 6000,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Oscillator high voltage",
"symbol": "VH",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.15,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Oscillator low voltage",
"symbol": "VL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.15,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Overtemperature protection trigger temperature",
"symbol": "TOTP",
"kind": "electrical",
"unit": "°C",
"min": null,
"typ": 150,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Overtemperature protection release temperature",
"symbol": "TOTPR",
"kind": "electrical",
"unit": "°C",
"min": null,
"typ": 130,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"ink1105dn"
],
"discovery_pitch": "INK1105DN (Cross chip) 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",
"ink1105dn.kicad_sym",
"ink1105dn.kicad_mod",
"ink1105dn.glb",
"ink1105dn.step",
"ink1105dn.lbr",
"docs/hero.png",
"docs/ink1105dn-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ink1105dn-hero.glb",
"ink1105dn-hero.overlay.json",
"ink1105dn-etched.glb"
],
"visibility": {
"public": true
}
}