component
LM29302AS
Public Made by Adomby adom
HGSEMI Linear Voltage Regulators (LDO), TO-263-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650
{
"schema_version": 1,
"type": "component",
"slug": "lm29302as",
"title": "LM29302AS",
"brief": "HGSEMI Linear Voltage Regulators (LDO), TO-263-5. 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",
"power management ics",
"lm29302as",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "LM29302AS",
"manufacturer": "HGSEMI",
"package": "TO-263-5",
"pin_count": 6,
"category": "Power Management ICs",
"subcategory": "Linear Voltage Regulators (LDO)",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a431859ad8e904a5ffacd12bf99e6414.pdf",
"parts": {
"symbol": "lm29302as.kicad_sym",
"footprint": "lm29302as.kicad_mod",
"model_3d": "lm29302as-hero.glb",
"model_3d_plain": "lm29302as-etched.glb",
"model_3d_step": "lm29302as-etched.step",
"model_3d_step_plain": "lm29302as.step",
"lbr": "lm29302as.lbr"
},
"distributor_links": {
"lcsc": "C2688476"
},
"distributor_check": {
"checked_at": "2026-11-05T15:42:11Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "ENABLE",
"type": "input",
"description": "CMOS/TTL-compatible control input where logic high enables the regulator and logic low (0.8V max) shuts it down, with an input range of -0.3V to VIN and a high threshold of 2.4V min."
},
{
"number": "2",
"name": "INPUT",
"type": "power_in",
"description": "Supplies the current to the output power device, with a maximum operating input voltage of 26V."
},
{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "Ground pin, and the TAB is also connected internally to the IC's ground."
},
{
"number": "4",
"name": "OUTPUT",
"type": "power_out",
"description": "Regulator output voltage, programmable between 1.25V and 25V by the external resistor divider."
},
{
"number": "5",
"name": "ADJUST",
"type": "input",
"description": "Adjustable regulator feedback input that connects to the resistor voltage divider placed from OUTPUT to GND to set the output voltage, with a 1.240V typical reference."
},
{
"number": "6",
"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 pin description table on page 4 is garbled. Pin 1 is listed as ENABLE only for the fixed and ena; Ordering information lists LM29302AS/TR under TO-263-5/TO-263-5-A2. The TO-263-5-A2 outline is shown",
"exposed pad 6 added from the footprint"
],
"pages_sent": 23,
"cost_usd": 0.022,
"at": "2026-11-05T15:42:04"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/a431859ad8e904a5ffacd12bf99e6414.pdf",
"pages": 23,
"sha256": "0c3fea9e4ca92db5",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 6,
"described": 6,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "lm29302as.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
15,
10,
4.42
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "94c2a3dc1aaad85b6b5193f97d9a7c61b4e28bac25952a1e629557bcf747e246",
"checked": "2026-11-05",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "lm29302as-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
15,
10,
4.42
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "a4aaab2db0525a2cab8bf5b4f9a41e1b6788d8f8cb51120ffd8d173bd6766e0a",
"checked": "2026-11-05",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "HGSEMI",
"Package": "TO-263-5",
"Category": "Power Management ICs",
"Pins": "6"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "0c3fea9e4ca92db5bee2e022e1ad66a03ae2535117ecbd18517d74e8baaa46d9",
"rows": [
{
"name": "Output voltage",
"symbol": "",
"kind": "tolerance",
"unit": "%",
"min": -1,
"typ": null,
"max": 1,
"conditions": "IOUT = 10mA",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Output voltage over load and line",
"symbol": "",
"kind": "tolerance",
"unit": "%",
"min": -2,
"typ": null,
"max": 2,
"conditions": "10mA ≤ IOUT ≤ IFL, (VOUT + 1V) ≤ VIN ≤26V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Line regulation",
"symbol": "",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": 0.06,
"max": 0.5,
"conditions": "IOUT = 10mA, (VOUT + 1V) ≤ VIN ≤26V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Load regulation",
"symbol": "",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": 0.2,
"max": 1,
"conditions": "VIN = VOUT + 5V, 10mA ≤ IOUT ≤ 1.5A",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Output voltage temperature coefficient",
"symbol": "ΔVO/ΔT",
"kind": "temperature_coefficient",
"unit": "ppm/°C",
"min": null,
"typ": 20,
"max": 100,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Dropout voltage (LM29300)",
"symbol": "",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 80,
"max": 175,
"conditions": "ΔVOUT = -1%; IOUT = 100mA",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Dropout voltage (LM29300)",
"symbol": "",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 370,
"max": 600,
"conditions": "ΔVOUT = -1%; IOUT = 3A",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Ground current (LM29300)",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 10,
"max": 35,
"conditions": "IOUT = 1.5A, VIN = VOUT + 1V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Current limit (LM29300)",
"symbol": "",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": 4.5,
"max": 5,
"conditions": "VOUT = 0V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Reference voltage",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": 1.228,
"typ": 1.24,
"max": 1.252,
"conditions": "LM29xx2/29xx3",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Reference voltage",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": 1.215,
"typ": null,
"max": 1.265,
"conditions": "LM29xx2/29xx3",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Reference voltage",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": 1.203,
"typ": null,
"max": 1.277,
"conditions": "LM29xx2/29xx3",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Adjust pin bias current",
"symbol": "",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": 40,
"max": 80,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Adjust pin bias current",
"symbol": "",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": null,
"max": 120,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "ENABLE input logic voltage Low (OFF)",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.8,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "ENABLE input logic voltage High (ON)",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": 2.4,
"typ": null,
"max": null,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Enable pin input current",
"symbol": "",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 100,
"max": 750,
"conditions": "VEN = 26V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Enable pin input current",
"symbol": "",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 0.7,
"max": 4,
"conditions": "VEN = 0.8V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Regulator output current in shutdown",
"symbol": "",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 10,
"max": 500,
"conditions": "VEN ≤ 0.8V, VIN ≤ 26V, VOUT = 0",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Input supply voltage (VIN)",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 26,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Enable input voltage (VEN)",
"symbol": "VEN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Lead temperature (soldering)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 245,
"conditions": "TO-263/TO-220, soldering 10 sec.",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Storage temperature range",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Operating junction temperature",
"symbol": "TJ",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Maximum operating input voltage",
"symbol": "VIN",
"kind": "recommended_operating",
"unit": "V",
"min": null,
"typ": null,
"max": 26,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Adjustable output voltage",
"symbol": "VOUT",
"kind": "recommended_operating",
"unit": "V",
"min": 1.25,
"typ": null,
"max": 25,
"conditions": "Adjustable version",
"source_page": 16,
"source": "datasheet"
},
{
"name": "Minimum load current",
"symbol": "",
"kind": "recommended_operating",
"unit": "mA",
"min": 7,
"typ": null,
"max": null,
"conditions": "Device 29300",
"source_page": 17,
"source": "datasheet"
},
{
"name": "Reference voltage temperature coefficient",
"symbol": "",
"kind": "temperature_coefficient",
"unit": "ppm/°C",
"min": null,
"typ": 20,
"max": null,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Adjust pin bias current temperature coefficient",
"symbol": "",
"kind": "temperature_coefficient",
"unit": "nA/°C",
"min": null,
"typ": 0.1,
"max": null,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Dropout voltage (LM29300)",
"symbol": "",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 250,
"max": null,
"conditions": "ΔVOUT = -1%; IOUT = 1.5A",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Ground current (LM29300)",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 37,
"max": null,
"conditions": "IOUT = 3A, VIN = VOUT + 1V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Ground pin current at dropout (LM29300)",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 1.7,
"max": null,
"conditions": "VIN = 0.5V less than specified VOUT; IOUT = 10mA",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Output noise voltage (10Hz to 100kHz)",
"symbol": "",
"kind": "electrical",
"unit": "µV(rms)",
"min": null,
"typ": 400,
"max": null,
"conditions": "IL = 100mA, CL = 10µF",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Output noise voltage (10Hz to 100kHz)",
"symbol": "",
"kind": "electrical",
"unit": "µV(rms)",
"min": null,
"typ": 260,
"max": null,
"conditions": "IL = 100mA, CL = 33µF",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Thermal resistance junction-to-case (TO-263)",
"symbol": "θJC",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 3,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Thermal resistance junction-to-ambient (TO-263)",
"symbol": "θJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 28,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"lm29302as"
],
"discovery_pitch": "LM29302AS (HGSEMI) 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",
"lm29302as.kicad_sym",
"lm29302as.kicad_mod",
"lm29302as.glb",
"lm29302as.step",
"lm29302as.lbr",
"docs/hero.png",
"docs/lm29302as-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"lm29302as-hero.glb",
"lm29302as-hero.overlay.json",
"lm29302as-etched.glb"
],
"visibility": {
"public": true
}
}