component
6PAIC3254IRHBRQ1
Public Made by Adomby adom
Texas Instruments Audio Interface ICs, VQFN-32(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"description": "Texas Instruments Audio Interface ICs, VQFN-32(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"component": {
"mpn": "6PAIC3254IRHBRQ1",
"manufacturer": "Texas Instruments",
"package": "VQFN-32(5x5)",
"pin_count": 33,
"category": "Communication Interface Chip/UART/485/232",
"subcategory": "Audio Interface ICs",
"datasheet": "https://www.ti.com/cn/lit/gpn/tlv320aic3254-q1",
"parts": {
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"distributor_links": {
"lcsc": "C2871931",
"digikey": "296-37010-2-ND",
"mouser": "595-6PAIC3254IRHBRQ1"
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"distributor_check": {
"checked_at": "2026-10-27T01:11:42Z",
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"status": "found",
"lifecycle": "Active"
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"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "MCLK",
"type": "input",
"description": "Master clock input."
},
{
"number": "2",
"name": "BCLK",
"type": "bidirectional",
"description": "Audio serial data bus (primary) bit clock."
},
{
"number": "3",
"name": "WCLK",
"type": "bidirectional",
"description": "Audio serial data bus (primary) word clock."
},
{
"number": "4",
"name": "DIN/MFP1",
"type": "input",
"description": "Audio serial data bus data input (primary); secondary functions are digital microphone input, general purpose clock input and general purpose input."
},
{
"number": "5",
"name": "DOUT/MFP2",
"type": "output",
"description": "Audio serial data bus data output (primary); secondary functions include general purpose output, clock output, INT1/INT2 output and secondary I2S bit/word clock outputs."
},
{
"number": "6",
"name": "IOVDD",
"type": "power_in",
"description": "IO voltage supply, 1.1V to 3.6V."
},
{
"number": "7",
"name": "IOVSS",
"type": "power_in",
"description": "IO ground supply."
},
{
"number": "8",
"name": "SCLK/MFP3",
"type": "input",
"description": "SPI serial clock when SPI_Select = 1; with SPI_Select = 0 secondary functions include headphone-detect input, digital microphone input, secondary I2S inputs and general purpose input."
},
{
"number": "9",
"name": "SCL/SS",
"type": "input",
"description": "I2C serial clock (SPI_Select = 0) or SPI chip-select (SPI_Select = 1)."
},
{
"number": "10",
"name": "SDA/MOSI",
"type": "input",
"description": "I2C serial data input (SPI_Select = 0) or SPI serial data input (SPI_Select = 1)."
},
{
"number": "11",
"name": "MISO/MFP4",
"type": "output",
"description": "SPI serial data output when SPI_Select = 1; with SPI_Select = 0 secondary functions include general purpose output, CLKOUT, INT1/INT2, ADC word clock output, digital microphone clock output and secondary I2S outputs."
},
{
"number": "12",
"name": "SPI_SELECT",
"type": "input",
"description": "Control mode select pin (1 = SPI, 0 = I2C)."
},
{
"number": "13",
"name": "IN1_L",
"type": "input",
"description": "Multifunction analog input; single-ended MIC 1 or Line 1 left, or differential MIC/Line negative input."
},
{
"number": "14",
"name": "IN1_R",
"type": "input",
"description": "Multifunction analog input; single-ended MIC 1 or Line 1 right, or differential MIC/Line positive input."
},
{
"number": "15",
"name": "IN2_L",
"type": "input",
"description": "Multifunction analog input; single-ended MIC 2 or Line 2, or differential MIC/Line left positive input."
},
{
"number": "16",
"name": "IN2_R",
"type": "input",
"description": "Multifunction analog input; single-ended MIC 2 or Line 2 right, or differential MIC/Line left negative input."
},
{
"number": "17",
"name": "AVSS",
"type": "power_in",
"description": "Analog ground supply."
},
{
"number": "18",
"name": "REF",
"type": "output",
"description": "Reference voltage output for filtering."
},
{
"number": "19",
"name": "MICBIAS",
"type": "output",
"description": "Microphone bias voltage output."
},
{
"number": "20",
"name": "IN3_L",
"type": "input",
"description": "Multifunction analog input; single-ended MIC3 or Line 3 left, or differential MIC/Line left positive or right negative input."
},
{
"number": "21",
"name": "IN3_R",
"type": "input",
"description": "Multifunction analog input; single-ended MIC3 or Line 3 right, or differential MIC/Line left negative or right positive input."
},
{
"number": "22",
"name": "LOL",
"type": "output",
"description": "Left line output, drives line loads of 600 ohm to 10 kohm."
},
{
"number": "23",
"name": "LOR",
"type": "output",
"description": "Right line output, drives line loads of 600 ohm to 10 kohm."
},
{
"number": "24",
"name": "AVDD",
"type": "power_in",
"description": "Analog voltage supply 1.5V to 1.95V; input when A-LDO is disabled, filtering output when A-LDO is enabled."
},
{
"number": "25",
"name": "HPL",
"type": "output",
"description": "Left high power output driver."
},
{
"number": "26",
"name": "LDOIN/HPVDD",
"type": "power_in",
"description": "LDO input supply and headphone power supply, 1.9V to 3.6V."
},
{
"number": "27",
"name": "HPR",
"type": "output",
"description": "Right high power output driver."
},
{
"number": "28",
"name": "DVSS",
"type": "power_in",
"description": "Digital ground and chip substrate."
},
{
"number": "29",
"name": "DVDD",
"type": "power_in",
"description": "Digital voltage supply 1.26V to 1.95V when LDO_SELECT = 0 (D-LDO disabled); filtering output when LDO_SELECT = 1 (D-LDO enabled)."
},
{
"number": "30",
"name": "LDO_SELECT",
"type": "input",
"description": "Digital LDO select: 0 disables the D-LDO, 1 enables it (table text also says 'connect to DVss')."
},
{
"number": "31",
"name": "RESET",
"type": "input",
"description": "Reset, active low."
},
{
"number": "32",
"name": "GPIO/MFP5",
"type": "bidirectional",
"description": "General purpose digital IO (primary); secondary functions include CLKOUT, INT1/INT2 output, ADC word clock, secondary I2S clocks and digital microphone clock output."
},
{
"number": "33",
"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",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The text lists pins 1-32 only. The pin table does not mention an exposed thermal pad, which a 5x5 RH; The LDO_SELECT description is garbled in the source ('connect to DVss.'). The DVDD entry implies 0 =; The analog input descriptions have apparent datasheet inconsistencies. IN1_L says 'MIC or Line right"
],
"pages_sent": 13,
"cost_usd": 0.159,
"at": "2026-10-27T01:11:07"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/tlv320aic3254-q1",
"pages": 49,
"sha256": "c108b0a6db5178e4",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 33,
"described": 33,
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"refuses_to_fabricate": true
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