component
TPA3112D1QPWPRQ1
Public Made by Adomby adom
Texas Instruments Audio Power OpAmps, HTSSOP-28-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"name": "SD",
"type": "input",
"description": "Shutdown logic input for the audio amp: LOW sets outputs Hi-Z and HIGH enables outputs, with TTL levels referenced to AVCC."
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{
"number": "2",
"name": "FAULT",
"type": "output",
"description": "Open-drain output that reports short-circuit or DC-detect fault status, voltage compliant to AVCC; tie to SD for short-circuit auto-recovery."
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"number": "3",
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{
"number": "4",
"name": "GND",
"type": "power_in",
"description": "Connect to local ground."
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{
"number": "5",
"name": "GAIN0",
"type": "input",
"description": "Gain select least significant bit, TTL logic levels with compliance to AVCC."
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{
"number": "6",
"name": "GAIN1",
"type": "input",
"description": "Gain select most significant bit, TTL logic levels with compliance to AVCC."
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"number": "7",
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"type": "power_in",
"description": "Analog supply."
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{
"number": "8",
"name": "AGND",
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"description": "Analog supply ground; connect to the thermal pad."
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{
"number": "9",
"name": "GVDD",
"type": "power_out",
"description": "High-side FET gate drive supply, nominal 7 V; may also supply the PLIMIT divider; add a 1-µF cap to ground."
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{
"number": "10",
"name": "PLIMIT",
"type": "input",
"description": "Power limit level adjust; connect directly to GVDD for no power limiting; add a 1-µF cap to ground."
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{
"number": "11",
"name": "INN",
"type": "input",
"description": "Negative audio input, biased at 3 V."
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{
"number": "12",
"name": "INP",
"type": "input",
"description": "Positive audio input, biased at 3 V."
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{
"number": "13",
"name": "NC",
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{
"number": "14",
"name": "AVCC",
"type": "power_in",
"description": "Connect AVCC supply to this pin."
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{
"number": "15",
"name": "PVCC",
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"description": "Power supply for H-bridge; PVCC pins are also connected internally."
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{
"number": "16",
"name": "PVCC",
"type": "power_in",
"description": "Power supply for H-bridge; PVCC pins are also connected internally."
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{
"number": "17",
"name": "BSP",
"type": "bidirectional",
"description": "Bootstrap I/O for the positive high-side FET."
},
{
"number": "18",
"name": "OUTP",
"type": "output",
"description": "Class-D H-bridge positive output."
},
{
"number": "19",
"name": "PGND",
"type": "power_in",
"description": "Power ground for the H-bridges."
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{
"number": "20",
"name": "OUTP",
"type": "output",
"description": "Class-D H-bridge positive output."
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{
"number": "21",
"name": "BSP",
"type": "bidirectional",
"description": "Bootstrap I/O for the positive high-side FET."
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{
"number": "22",
"name": "BSN",
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"description": "Bootstrap I/O for the negative high-side FET."
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{
"number": "23",
"name": "OUTN",
"type": "output",
"description": "Class-D H-bridge negative output."
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"number": "24",
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{
"number": "25",
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{
"number": "26",
"name": "BSN",
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"description": "Bootstrap I/O for the negative high-side FET."
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{
"number": "27",
"name": "PVCC",
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{
"number": "28",
"name": "PVCC",
"type": "power_in",
"description": "Power supply for H-bridge; PVCC pins are also connected internally."
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{
"number": "29",
"name": "EP",
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