component
TPA3101D2RGZR
Public Made by Adomby adom
Texas Instruments Audio Amplifiers, VQFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
Ray
tpa3101d2rgzr: specified limits as data (metadata.characteristics, 45 rows from the datasheet)
2c7c871
14d ago
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{
"schema_version": 1,
"type": "component",
"slug": "tpa3101d2rgzr",
"title": "TPA3101D2RGZR",
"brief": "Texas Instruments Audio Amplifiers, VQFN-48-EP(7x7). 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",
"amplifiers-comparators",
"tpa3101d2rgzr",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "TPA3101D2RGZR",
"manufacturer": "Texas Instruments",
"package": "VQFN-48-EP(7x7)",
"pin_count": 49,
"category": "Amplifiers/Comparators",
"subcategory": "Audio Amplifiers",
"datasheet": "https://www.ti.com/cn/lit/gpn/tpa3101d2",
"parts": {
"symbol": "tpa3101d2rgzr.kicad_sym",
"footprint": "tpa3101d2rgzr.kicad_mod",
"model_3d": "tpa3101d2rgzr-hero.glb",
"model_3d_plain": "tpa3101d2rgzr.glb",
"model_3d_step": "tpa3101d2rgzr-etched.step",
"model_3d_step_plain": "tpa3101d2rgzr.step",
"lbr": "tpa3101d2rgzr.lbr"
},
"distributor_links": {
"lcsc": "C2870751",
"digikey": "296-19424-2-ND",
"mouser": "595-TPA3101D2RGZR"
},
"distributor_check": {
"checked_at": "2026-10-08T16:54:11Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-19424-2-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "595-TPA3101D2RGZR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "NC",
"type": "unconnected",
"description": "Not internally connected; the GND row also lists pin 1 for connection to the thermal pad, so this assignment needs verification."
},
{
"number": "2",
"name": "RINN",
"type": "input",
"description": "Negative audio input for right channel, biased at VREG/2."
},
{
"number": "3",
"name": "RINP",
"type": "input",
"description": "Positive audio input for right channel, biased at VREG/2."
},
{
"number": "4",
"name": "AGND",
"type": "power_in",
"description": "Analog ground for digital/analog cells in core; connect to AGND and PGND as a star point for both grounds."
},
{
"number": "5",
"name": "LINP",
"type": "input",
"description": "Positive audio input for left channel, biased at VREG/2."
},
{
"number": "6",
"name": "LINN",
"type": "input",
"description": "Negative audio input for left channel, biased at VREG/2."
},
{
"number": "7",
"name": "NC",
"type": "unconnected",
"description": "Not internally connected."
},
{
"number": "8",
"name": "GAIN0",
"type": "input",
"description": "Gain select least significant bit; TTL logic levels with compliance to VREG."
},
{
"number": "9",
"name": "GAIN1",
"type": "input",
"description": "Gain select most significant bit; TTL logic levels with compliance to VREG."
},
{
"number": "10",
"name": "MSTR/SLV",
"type": "input",
"description": "Master/slave select for SYNC direction: HIGH = master mode (SYNC is output), LOW = slave mode (SYNC accepts clock input); TTL logic levels with compliance to VREG."
},
{
"number": "11",
"name": "SYNC",
"type": "bidirectional",
"description": "Clock input/output for synchronizing multiple class-D devices; direction set by MSTR/SLV and input signal must not exceed VREG."
},
{
"number": "12",
"name": "NC",
"type": "unconnected",
"description": "Not internally connected; the GND row also lists pin 12 for connection to the thermal pad, so this assignment needs verification."
},
{
"number": "13",
"name": "NC",
"type": "unconnected",
"description": "Not internally connected; the GND row also lists pin 13 for connection to the thermal pad, so this assignment needs verification."
},
{
"number": "14",
"name": "ROSC",
"type": "bidirectional",
"description": "I/O for current-setting resistor of the ramp generator."
},
{
"number": "15",
"name": "VREG",
"type": "output",
"description": "4-V regulated output for internal cells, GAINx, MUTE and MSTR/SLV pins only; not specified for driving other external circuitry."
},
{
"number": "16",
"name": "VBYP",
"type": "output",
"description": "Reference for preamplifier, nominally 1.25 V; also controls start-up time via external capacitor sizing."
},
{
"number": "17",
"name": "AGND",
"type": "power_in",
"description": "Analog ground for digital/analog cells in core; connect to AGND and PGND as a star point for both grounds."
},
{
"number": "18",
"name": "BSLP",
"type": "bidirectional",
"description": "Bootstrap I/O for left channel, positive high-side FET."
},
{
"number": "19",
"name": "LOUTP",
"type": "output",
"description": "Class-D 1/2-H-bridge positive output for left channel."
},
{
"number": "20",
"name": "LOUTP",
"type": "output",
"description": "Class-D 1/2-H-bridge positive output for left channel."
},
{
"number": "21",
"name": "LOUTN",
"type": "output",
"description": "Class-D 1/2-H-bridge negative output for left channel."
},
{
"number": "22",
"name": "LOUTN",
"type": "output",
"description": "Class-D 1/2-H-bridge negative output for left channel."
},
{
"number": "23",
"name": "BSLN",
"type": "bidirectional",
"description": "Bootstrap I/O for left channel, negative high-side FET."
},
{
"number": "24",
"name": "NC",
"type": "unconnected",
"description": "Not internally connected; the GND row also lists pin 24 for connection to the thermal pad, so this assignment needs verification."
},
{
"number": "25",
"name": "NC",
"type": "unconnected",
"description": "Not internally connected; the GND row also lists pin 25 for connection to the thermal pad, so this assignment needs verification."
},
{
"number": "26",
"name": "PVCCL",
"type": "power_in",
"description": "Power supply for left channel H-bridge, not internally connected to PVCCR or AVCC."
},
{
"number": "27",
"name": "PVCCL",
"type": "power_in",
"description": "Power supply for left channel H-bridge, not internally connected to PVCCR or AVCC."
},
{
"number": "28",
"name": "PGNDL",
"type": "power_in",
"description": "Power ground for left channel H-bridge."
},
{
"number": "29",
"name": "PGNDL",
"type": "power_in",
"description": "Power ground for left channel H-bridge."
},
{
"number": "30",
"name": "VCLAMPL",
"type": "power_out",
"description": "Internally generated voltage supply for left channel bootstrap capacitor."
},
{
"number": "31",
"name": "VCLAMPR",
"type": "power_out",
"description": "Internally generated voltage supply for right channel bootstrap capacitor."
},
{
"number": "32",
"name": "PGNDR",
"type": "power_in",
"description": "Power ground for right channel H-bridge."
},
{
"number": "33",
"name": "PGNDR",
"type": "power_in",
"description": "Power ground for right channel H-bridge."
},
{
"number": "34",
"name": "PVCCR",
"type": "power_in",
"description": "Power supply for right channel H-bridge, not connected to PVCCL or AVCC."
},
{
"number": "35",
"name": "PVCCR",
"type": "power_in",
"description": "Power supply for right channel H-bridge, not connected to PVCCL or AVCC."
},
{
"number": "36",
"name": "NC",
"type": "unconnected",
"description": "Not internally connected; the GND row also lists pin 36 for connection to the thermal pad, so this assignment needs verification."
},
{
"number": "37",
"name": "NC",
"type": "unconnected",
"description": "Not internally connected; the GND row also lists pin 37 for connection to the thermal pad, so this assignment needs verification."
},
{
"number": "38",
"name": "BSRN",
"type": "bidirectional",
"description": "Bootstrap I/O for right channel, negative high-side FET."
},
{
"number": "39",
"name": "ROUTN",
"type": "output",
"description": "Class-D 1/2-H-bridge negative output for right channel."
},
{
"number": "40",
"name": "ROUTN",
"type": "output",
"description": "Class-D 1/2-H-bridge negative output for right channel."
},
{
"number": "41",
"name": "ROUTP",
"type": "output",
"description": "Class-D 1/2-H-bridge positive output for right channel."
},
{
"number": "42",
"name": "ROUTP",
"type": "output",
"description": "Class-D 1/2-H-bridge positive output for right channel."
},
{
"number": "43",
"name": "BSRP",
"type": "bidirectional",
"description": "Bootstrap I/O for right channel, positive high-side FET."
},
{
"number": "44",
"name": "SHUTDOWN",
"type": "input",
"description": "Shutdown signal for IC (LOW = disabled, HIGH = operational); TTL logic levels with compliance to AVCC."
},
{
"number": "45",
"name": "MUTE",
"type": "input",
"description": "Mute for quick disable/enable of outputs (HIGH = outputs high-Z, LOW = outputs enabled); TTL logic levels with compliance to AVCC."
},
{
"number": "46",
"name": "FAULT",
"type": "output",
"description": "TTL-compatible short-circuit fault flag (HIGH = short-circuit fault, LOW = no fault); thermal faults are not reported on this terminal."
},
{
"number": "47",
"name": "NC",
"type": "unconnected",
"description": "Not internally connected."
},
{
"number": "48",
"name": "AVCC",
"type": "power_in",
"description": "High-voltage analog power supply, not internally connected to PVCCR or PVCCL."
},
{
"number": "49",
"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: Conflicting assignment: the GND row and the NC row both list pins 1, 12, 13, 24, 25, 36 and 37 in th; Pins 7 and 47 appear only in the NC row, so they are typed as not connected.; The pin-48 description text is garbled in the extraction. The row names AVCC, and the text reads 'no",
"exposed pad 49 added from the footprint"
],
"pages_sent": 8,
"cost_usd": 0.0906,
"at": "2026-10-08T16:53:53"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/tpa3101d2",
"pages": 46,
"sha256": "883db75757419877",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 49,
"described": 49,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "tpa3101d2rgzr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
7,
7,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "f2b38b0b4bf967c77e683e8d4599608b9f0503055ec535b93c4ebb5d0163e916",
"checked": "2026-10-08",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "tpa3101d2rgzr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
7,
7,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "4a52855fc34c204b46c383c1bb6885ac2d1bcf686b621f01e70e7068aef160b9",
"checked": "2026-10-08",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "VQFN-48-EP(7x7)",
"Category": "Amplifiers/Comparators",
"Pins": "49"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "883db75757419877",
"rows": [
{
"name": "VCC Supply voltage PVCC, AVCC",
"symbol": "VCC",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 30,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Input voltage SHUTDOWN, MUTE",
"symbol": "VI",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Input voltage GAIN0, GAIN1, RINN, RINP, LINN, LINP, MSTR/SLV, SYNC",
"symbol": "VI",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating free-air temperature range",
"symbol": "TA",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"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": "Storage temperature range",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Load Resistance",
"symbol": "R(Load)",
"kind": "absolute_maximum",
"unit": "Ω",
"min": 3.2,
"typ": null,
"max": null,
"conditions": "Minimum",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Electrostatic discharge, human body model",
"symbol": "",
"kind": "absolute_maximum",
"unit": "kV",
"min": -2,
"typ": null,
"max": 2,
"conditions": "all pins",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Electrostatic discharge, machine model",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -200,
"typ": null,
"max": 200,
"conditions": "all pins",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Electrostatic discharge, charged-device model",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -500,
"typ": null,
"max": 500,
"conditions": "all pins",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Supply voltage PVCC, AVCC",
"symbol": "VCC",
"kind": "recommended_operating",
"unit": "V",
"min": 10,
"typ": null,
"max": 26,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "High-level input voltage SHUTDOWN, MUTE, GAIN0, GAIN1, MSTR/SLV, SYNC",
"symbol": "VIH",
"kind": "recommended_operating",
"unit": "V",
"min": 2,
"typ": null,
"max": null,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Low-level input voltage SHUTDOWN, MUTE, GAIN0, GAIN1, MSTR/SLV, SYNC",
"symbol": "VIL",
"kind": "recommended_operating",
"unit": "V",
"min": null,
"typ": null,
"max": 0.8,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "High-level input current SHUTDOWN",
"symbol": "IIH",
"kind": "recommended_operating",
"unit": "µA",
"min": null,
"typ": null,
"max": 125,
"conditions": "VI = VCC, VCC = 24 V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "High-level input current MUTE",
"symbol": "IIH",
"kind": "recommended_operating",
"unit": "µA",
"min": null,
"typ": null,
"max": 75,
"conditions": "VI = VCC, VCC = 24 V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "High-level input current GAIN0, GAIN1, MSTR/SLV, SYNC",
"symbol": "IIH",
"kind": "recommended_operating",
"unit": "µA",
"min": null,
"typ": null,
"max": 2,
"conditions": "VI = VREG, VCC = 24 V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Low-level input current SHUTDOWN",
"symbol": "IIL",
"kind": "recommended_operating",
"unit": "µA",
"min": null,
"typ": null,
"max": 2,
"conditions": "VI = 0, VCC = 24 V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Low-level input current SYNC, MUTE, GAIN0, GAIN1, MSTR/SLV",
"symbol": "IIL",
"kind": "recommended_operating",
"unit": "µA",
"min": null,
"typ": null,
"max": 1,
"conditions": "VI = 0 V, VCC = 24 V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Oscillator frequency",
"symbol": "fOSC",
"kind": "recommended_operating",
"unit": "kHz",
"min": 200,
"typ": null,
"max": 300,
"conditions": "Rosc Resistor = 100 kΩ, MSTR/SLV = 2 V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Operating free-air temperature range (recommended)",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Class-D output offset voltage (measured differentially)",
"symbol": "|VOS|",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 5,
"max": 50,
"conditions": "VI = 0 V, Gain = 36 dB; VCC = 24 V, RL = 8 Ω, TA = 25°C",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Bypass reference for input amplifier",
"symbol": "VBYP",
"kind": "electrical",
"unit": "V",
"min": 1.1,
"typ": 1.25,
"max": 1.45,
"conditions": "no load; VCC = 24 V, TA = 25°C",
"source_page": 3,
"source": "datasheet"
},
{
"name": "4-V internal supply voltage",
"symbol": "VREG",
"kind": "electrical",
"unit": "V",
"min": 3.75,
"typ": 4,
"max": 4.25,
"conditions": "no load, VCC = 10 V to 26 V; VCC = 24 V, TA = 25°C",
"source_page": 3,
"source": "datasheet"
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