component
DX3112E
Public Made by Adomby adom
Dersem LED Drivers, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440
{
"schema_version": 1,
"type": "component",
"slug": "dx3112e",
"title": "DX3112E",
"brief": "Dersem LED Drivers, ESOP-8. 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",
"dx3112e",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "DX3112E",
"manufacturer": "Dersem",
"package": "ESOP-8",
"pin_count": 9,
"category": "LED Drivers",
"subcategory": "LED Drivers",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603369280277278720",
"parts": {
"symbol": "dx3112e.kicad_sym",
"footprint": "dx3112e.kicad_mod",
"model_3d": "dx3112e-hero.glb",
"model_3d_plain": "dx3112e-etched.glb",
"model_3d_step": "dx3112e-etched.step",
"model_3d_step_plain": "dx3112e.step",
"lbr": "dx3112e.lbr"
},
"distributor_links": {
"lcsc": "C22364165"
},
"distributor_check": {
"checked_at": "2026-10-17T08:46:53Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "NC",
"type": "unconnected",
"description": "Not connected; the datasheet specifies this pin as a floating (suspended) pin."
},
{
"number": "2",
"name": "NC",
"type": "unconnected",
"description": "Not connected; the datasheet specifies this pin as a floating (suspended) pin."
},
{
"number": "3",
"name": "REXT1",
"type": "input",
"description": "Current-sampling port 1 for setting the channel 1 output current through an external REXT resistor; the datasheet limits its input voltage to -0.3 V to 7 V."
},
{
"number": "4",
"name": "REXT2",
"type": "input",
"description": "Current-sampling port 2 for setting the channel 2 output current through an external REXT resistor; the datasheet limits its input voltage to -0.3 V to 7 V."
},
{
"number": "5",
"name": "OUT1",
"type": "output",
"description": "Constant-current output port 1 driving LED string 1; the datasheet limits its voltage to -0.3 V to 500 V."
},
{
"number": "6",
"name": "OUT2",
"type": "output",
"description": "Constant-current output port 2 driving LED string 2; the datasheet limits its voltage to -0.3 V to 500 V."
},
{
"number": "7",
"name": "NC",
"type": "unconnected",
"description": "Not connected; the datasheet specifies this pin as a floating (suspended) pin."
},
{
"number": "8",
"name": "VIN",
"type": "power_in",
"description": "Chip supply input that powers the device from the high-voltage line; the datasheet limits its voltage to -0.3 V to 700 V and lists a minimum operating voltage of 18.5 V."
},
{
"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 datasheet lists a 'substrate GND' (衬底 GND, chip ground) that is not given a pin number on the pa; Pin types are inferred from the functional descriptions (sense inputs, constant-current outputs, sup; Ordering info lists DX3112E only in the ESOP8 package, so the pinout applies to the ESOP8 variant. T",
"exposed pad 9 added from the footprint"
],
"pages_sent": 7,
"cost_usd": 0.0372,
"at": "2026-10-17T08:46:35"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603369280277278720",
"pages": 7,
"sha256": "237977eb6677001a",
"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": "dx3112e.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.9,
4.9,
1.65
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "dx3112e-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.9,
4.9,
1.65
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "b1a61a0602521effa91f0b302a23d153af916c14ccbce064fd4497968373af6f",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Dersem",
"Package": "ESOP-8",
"Category": "LED Drivers",
"Pins": "9"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "237977eb6677001abcf6fab61b05dd326e1846cc39d35d0a1286899a3c34c844",
"rows": [
{
"name": "Operating voltage",
"symbol": "VIN",
"kind": "electrical",
"unit": "V",
"min": 18.5,
"typ": null,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Quiescent operating current",
"symbol": "IDD",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": null,
"max": 140,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Drive-side peak voltage (OUT1)",
"symbol": "VOUT1",
"kind": "electrical",
"unit": "V",
"min": 500,
"typ": null,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Drive-side peak voltage (OUT2)",
"symbol": "VOUT2",
"kind": "electrical",
"unit": "V",
"min": 500,
"typ": null,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Operating current (REXT1 channel)",
"symbol": "IREXT1",
"kind": "electrical",
"unit": "mA",
"min": 0,
"typ": null,
"max": 40,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Operating current (REXT2 channel)",
"symbol": "IREXT2",
"kind": "electrical",
"unit": "mA",
"min": 0,
"typ": null,
"max": 40,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Current-sampling input voltage (REXT1, REXT2)",
"symbol": "REXT1、REXT2",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "VIN pin voltage",
"symbol": "VMAX1",
"kind": "absolute_maximum",
"unit": "V",
"min": 0.3,
"typ": null,
"max": 700,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "OUT1, OUT2 pin voltage",
"symbol": "VMAX2",
"kind": "absolute_maximum",
"unit": "V",
"min": 0.3,
"typ": null,
"max": 500,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating junction temperature range",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating temperature",
"symbol": "Tc",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 100,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Storage temperature range",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Maximum chip power dissipation",
"symbol": "PDMAX",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 1.25,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Auxiliary discharge current",
"symbol": "IPULL",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 2.5,
"max": null,
"conditions": "25℃",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Constant-current voltage reference",
"symbol": "VREF1",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.6,
"max": null,
"conditions": "25℃",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Current negative temperature compensation start point",
"symbol": "TSC",
"kind": "electrical",
"unit": "℃",
"min": null,
"typ": 150,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Package thermal resistance, junction to ambient",
"symbol": "RTHJA",
"kind": "thermal",
"unit": "℃/W",
"min": null,
"typ": 60,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"dx3112e"
],
"discovery_pitch": "DX3112E (Dersem) 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",
"dx3112e.kicad_sym",
"dx3112e.kicad_mod",
"dx3112e.glb",
"dx3112e.step",
"dx3112e.lbr",
"docs/hero.png",
"docs/dx3112e-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"dx3112e-hero.glb",
"dx3112e-hero.overlay.json",
"dx3112e-etched.glb"
],
"visibility": {
"public": true
}
}