component
LM4863LQ
Public Made by Adomby adom
Texas Instruments Audio Amplifiers, WQFN-24-EP(4x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"description": "Texas Instruments Audio Amplifiers, WQFN-24-EP(4x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
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"path": "docs/hero.png"
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"component": {
"mpn": "LM4863LQ",
"manufacturer": "Texas Instruments",
"package": "WQFN-24-EP(4x5)",
"pin_count": 25,
"category": "Amplifiers/Comparators",
"subcategory": "Audio Amplifiers",
"datasheet": "https://www.ti.com/cn/lit/gpn/lm4863",
"parts": {
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"footprint": "lm4863lq.kicad_mod",
"model_3d": "lm4863lq-hero.glb",
"model_3d_plain": "lm4863lq.glb",
"model_3d_step": "lm4863lq-etched.step",
"model_3d_step_plain": "lm4863lq.step",
"lbr": "lm4863lq.lbr"
},
"distributor_links": {
"lcsc": "C2879284",
"mouser": "926-LM4863LQ"
},
"distributor_check": {
"checked_at": "2026-10-08T23:45:36Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": "926-LM4863LQ",
"status": "found",
"lifecycle": "Obsolete"
}
},
"pins": [
{
"number": "1",
"name": "NC",
"type": "unconnected",
"description": "No connect pin."
},
{
"number": "2",
"name": "+OUT A",
"type": "output",
"description": "Non-inverting bridge output of channel A, connected with -OUT A across the load in bridge mode."
},
{
"number": "3",
"name": "VDD",
"type": "power_in",
"description": "Positive supply pin, 2.0V to 5.5V operating range, to be bypassed with a local 1.0µF tantalum capacitor to ground."
},
{
"number": "4",
"name": "-OUT A",
"type": "output",
"description": "Inverting bridge output of channel A (Amp1A output), biased at half-supply."
},
{
"number": "5",
"name": "-IN A",
"type": "input",
"description": "Inverting input of channel A, where Ri and Rf set the closed-loop gain."
},
{
"number": "6",
"name": "GND",
"type": "power_in",
"description": "Ground pin."
},
{
"number": "7",
"name": "+IN A",
"type": "input",
"description": "Non-inverting input of channel A."
},
{
"number": "8",
"name": "GND",
"type": "power_in",
"description": "Ground pin."
},
{
"number": "9",
"name": "GND",
"type": "power_in",
"description": "Ground pin."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground pin."
},
{
"number": "11",
"name": "GND",
"type": "power_in",
"description": "Ground pin."
},
{
"number": "12",
"name": "GND",
"type": "power_in",
"description": "Ground pin."
},
{
"number": "13",
"name": "+IN B",
"type": "input",
"description": "Non-inverting input of channel B."
},
{
"number": "14",
"name": "BYPASS",
"type": "passive",
"description": "Half-supply bias node filtered by capacitor CB to ground (1.0µF suggested), which sets turn-on time and PSRR."
},
{
"number": "15",
"name": "-IN B",
"type": "input",
"description": "Inverting input of channel B, where Ri and Rf set the closed-loop gain."
},
{
"number": "16",
"name": "-OUT B",
"type": "output",
"description": "Inverting bridge output of channel B (Amp1B output), biased at half-supply."
},
{
"number": "17",
"name": "VDD",
"type": "power_in",
"description": "Positive supply pin, 2.0V to 5.5V operating range, to be bypassed with a local 1.0µF tantalum capacitor to ground."
},
{
"number": "18",
"name": "+OUT B",
"type": "output",
"description": "Non-inverting bridge output of channel B, connected with -OUT B across the load in bridge mode."
},
{
"number": "19",
"name": "GND",
"type": "power_in",
"description": "Ground pin."
},
{
"number": "20",
"name": "HP-IN",
"type": "input",
"description": "Headphone control input; a voltage between 4V and VDD turns off Amp2A and Amp2B for single-ended headphone mode, while 0.8V or below keeps bridged mode."
},
{
"number": "21",
"name": "GND",
"type": "power_in",
"description": "Ground pin."
},
{
"number": "22",
"name": "GND",
"type": "power_in",
"description": "Ground pin."
},
{
"number": "23",
"name": "SHUTDOWN",
"type": "input",
"description": "Micro-power shutdown control; applying VDD activates shutdown (0.7µA typ), logic threshold typically VDD/2."
},
{
"number": "24",
"name": "GND",
"type": "power_in",
"description": "Ground pin."
},
{
"number": "25",
"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+vision",
"consensus_model": "claude-opus-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The exposed DAP is not numbered in the connection diagram, so it is omitted. The datasheet says it m; Page 3 of the datasheet shows the NHW0024A pinout, but the mechanical drawing on page 27 is labeled ; The datasheet text does not describe pin functions in a table. Descriptions come from the connection",
"exposed pad 25 added from the footprint",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 28,
"cost_usd": 0.7305,
"at": "2026-10-08T23:45:18"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/lm4863",
"pages": 28,
"sha256": "8fa0bacebe7d5e84",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 25,
"described": 25,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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"checked": "2026-10-08",
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},
{
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}