component
TPA3138D2PWPR
Public Made by Adomby adom
Texas Instruments Audio Amplifiers, TSSOP-28-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+66@@ -0,0 +1,66 @@+# TPA3138D2PWPR++**Texas Instruments** · Audio Amplifiers · TSSOP-28-EP++TPA3138D2PWPR from Texas Instruments, in a TSSOP-28-EP. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | NC | unconnected | No Connect Pin; can be shorted to PVCC, shorted to GND, or left open. |+| 2 | SD/FAULT | bidirectional | Shutdown control and fault reporting output with TTL logic compliance to AVCC; LOW disables outputs to Hi-Z and enters low-current shutdown state, HIGH enables normal operation and reports Over-Temp, Over-Current, DC Detect faults with auto-recovery. |+| 3 | LINP | input | Positive audio input for left channel, biased at 2.5 V; connect to GND for PBTL mode operation. |+| 4 | LINN | input | Negative audio input for left channel, biased at 2.5 V; connect to GND for PBTL mode operation. |+| 5 | GAIN_SEL | input | Gain select least significant bit with TTL logic compliance to AVDD; LOW sets 20 dB gain, HIGH sets 26 dB gain, floating defaults to 26 dB gain. |+| 6 | MODE_SEL | input | Mode select least significant bit with TTL logic compliance to AVDD; LOW sets BD Mode with 7.5 V UVP threshold, HIGH or floating sets 1SPW mode with 3.4 V UVP threshold. |+| 7 | AVCC | power_in | Analog power supply, 3.5 V to 14.4 V; add 1 μF decoupling capacitor to ground. |+| 8 | GND | power_in | Analog signal ground. |+| 9 | GVDD | power_out | FET gate drive supply output with nominal 5 V; add 1 μF capacitor to ground at this pin. |+| 10 | PLIMIT | input | Power limiter level control input; connect resistor divider from GVDD to GND to set power limit, or connect directly to GVDD for no power limiting. |+| 11 | RINN | input | Negative audio input for right channel, biased at 2.5 V. |+| 12 | RINP | input | Positive audio input for right channel, biased at 2.5 V. |+| 13 | NC | unconnected | No Connect Pin; can be shorted to PVCC, shorted to GND, or left open. |+| 14 | AGND | power_in | Analog signal ground; must be connected to the thermal pad for best thermal and electrical performance. |+| 15 | PVCCR | power_in | Power supply for right channel H-bridge, 3.5 V to 14.4 V; internally connected with left channel PVCC. |+| 16 | PVCCR | power_in | Power supply for right channel H-bridge, 3.5 V to 14.4 V; internally connected with left channel PVCC. |+| 17 | BSPR | power_in | Bootstrap supply for right channel positive high-side FET; connect 0.22 μF capacitor from OUTPR to BSPR. |+| 18 | OUTPR | output | Class-D H-bridge positive output for right channel. |+| 19 | GND | power_in | Power ground for the H-bridges. |+| 20 | OUTNR | output | Class-D H-bridge negative output for right channel. |+| 21 | BSNR | power_in | Bootstrap supply for right channel negative high-side FET; connect 0.22 μF capacitor from OUTNR to BSNR. |+| 22 | BSNL | power_in | Bootstrap supply for left channel negative high-side FET; connect 0.22 μF capacitor from OUTNL to BSNL. |+| 23 | OUTNL | output | Class-D H-bridge negative output for left channel. |+| 24 | GND | power_in | Power ground for the H-bridges. |+| 25 | OUTPL | output | Class-D H-bridge positive output for left channel. |+| 26 | BSPL | power_in | Bootstrap supply for left channel positive high-side FET; connect 0.22 μF capacitor from OUTPL to BSPL. |+| 27 | PVCCL | power_in | Power supply for left channel H-bridge, 3.5 V to 14.4 V; internally connected with right channel PVCC. |+| 28 | PVCCL | power_in | Power supply for left channel H-bridge, 3.5 V to 14.4 V; internally connected with right channel PVCC. |+| 29 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-28-EP |+| Category | Amplifiers/Comparators |+| Pins | 29 |++## CAD (KiCad official)++- Symbol: `TPA3138D2PWPR`+- Footprint: `Package_SO:TSSOP-28-1EP_4.4x9.7mm_P0.65mm_EP2.85x6.7mm`+- 3D model: TSSOP-28-EP (KiCad packages3D, STEP)+- 3D model files: `tpa3138d2pwpr-etched.step` / `tpa3138d2pwpr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tpa3138d2pwpr.step` / `tpa3138d2pwpr.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/tpa3138d2) (37 pp, sha256 `281fbddb49687ce9`, retrieved 2026-09-23, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/tpa3138d2pwpr-datasheet.pdf)
page.jsonadded+270@@ -0,0 +1,270 @@+{+ "slug": "tpa3138d2pwpr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Audio Amplifiers, TSSOP-28-EP. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "amplifiers-comparators",+ "tpa3138d2pwpr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "tpa3138d2pwpr.kicad_sym",+ "tpa3138d2pwpr.kicad_mod",+ "tpa3138d2pwpr.glb",+ "tpa3138d2pwpr.step",+ "tpa3138d2pwpr.lbr",+ "docs/hero.png",+ "docs/tpa3138d2pwpr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "TPA3138D2PWPR",+ "manufacturer": "Texas Instruments",+ "package": "TSSOP-28-EP",+ "pin_count": 29,+ "category": "Amplifiers/Comparators",+ "subcategory": "Audio Amplifiers",+ "datasheet": "https://www.ti.com/cn/lit/gpn/tpa3138d2",+ "parts": {+ "symbol": "tpa3138d2pwpr.kicad_sym",+ "footprint": "tpa3138d2pwpr.kicad_mod",+ "model_3d": "tpa3138d2pwpr-etched.glb",+ "model_3d_plain": "tpa3138d2pwpr.glb",+ "model_3d_step": "tpa3138d2pwpr-etched.step",+ "model_3d_step_plain": "tpa3138d2pwpr.step",+ "lbr": "tpa3138d2pwpr.lbr"+ },+ "distributor_links": {+ "lcsc": "C475506"+ },+ "pins": [+ {+ "number": "1",+ "name": "NC",+ "type": "unconnected",+ "description": "No Connect Pin; can be shorted to PVCC, shorted to GND, or left open."+ },+ {+ "number": "2",+ "name": "SD/FAULT",+ "type": "bidirectional",+ "description": "Shutdown control and fault reporting output with TTL logic compliance to AVCC; LOW disables outputs to Hi-Z and enters low-current shutdown state, HIGH enables normal operation and reports Over-Temp, Over-Current, DC Detect faults with auto-recovery."+ },+ {+ "number": "3",+ "name": "LINP",+ "type": "input",+ "description": "Positive audio input for left channel, biased at 2.5 V; connect to GND for PBTL mode operation."+ },+ {+ "number": "4",+ "name": "LINN",+ "type": "input",+ "description": "Negative audio input for left channel, biased at 2.5 V; connect to GND for PBTL mode operation."+ },+ {+ "number": "5",+ "name": "GAIN_SEL",+ "type": "input",+ "description": "Gain select least significant bit with TTL logic compliance to AVDD; LOW sets 20 dB gain, HIGH sets 26 dB gain, floating defaults to 26 dB gain."+ },+ {+ "number": "6",+ "name": "MODE_SEL",+ "type": "input",+ "description": "Mode select least significant bit with TTL logic compliance to AVDD; LOW sets BD Mode with 7.5 V UVP threshold, HIGH or floating sets 1SPW mode with 3.4 V UVP threshold."+ },+ {+ "number": "7",+ "name": "AVCC",+ "type": "power_in",+ "description": "Analog power supply, 3.5 V to 14.4 V; add 1 μF decoupling capacitor to ground."+ },+ {+ "number": "8",+ "name": "GND",+ "type": "power_in",+ "description": "Analog signal ground."+ },+ {+ "number": "9",+ "name": "GVDD",+ "type": "power_out",+ "description": "FET gate drive supply output with nominal 5 V; add 1 μF capacitor to ground at this pin."+ },+ {+ "number": "10",+ "name": "PLIMIT",+ "type": "input",+ "description": "Power limiter level control input; connect resistor divider from GVDD to GND to set power limit, or connect directly to GVDD for no power limiting."+ },+ {+ "number": "11",+ "name": "RINN",+ "type": "input",+ "description": "Negative audio input for right channel, biased at 2.5 V."+ },+ {+ "number": "12",+ "name": "RINP",+ "type": "input",+ "description": "Positive audio input for right channel, biased at 2.5 V."+ },+ {+ "number": "13",+ "name": "NC",+ "type": "unconnected",+ "description": "No Connect Pin; can be shorted to PVCC, shorted to GND, or left open."+ },+ {+ "number": "14",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog signal ground; must be connected to the thermal pad for best thermal and electrical performance."+ },+ {+ "number": "15",+ "name": "PVCCR",+ "type": "power_in",+ "description": "Power supply for right channel H-bridge, 3.5 V to 14.4 V; internally connected with left channel PVCC."+ },+ {+ "number": "16",+ "name": "PVCCR",+ "type": "power_in",+ "description": "Power supply for right channel H-bridge, 3.5 V to 14.4 V; internally connected with left channel PVCC."+ },+ {+ "number": "17",+ "name": "BSPR",+ "type": "power_in",+ "description": "Bootstrap supply for right channel positive high-side FET; connect 0.22 μF capacitor from OUTPR to BSPR."+ },+ {+ "number": "18",+ "name": "OUTPR",+ "type": "output",+ "description": "Class-D H-bridge positive output for right channel."+ },+ {+ "number": "19",+ "name": "GND",+ "type": "power_in",+ "description": "Power ground for the H-bridges."+ },+ {+ "number": "20",+ "name": "OUTNR",+ "type": "output",+ "description": "Class-D H-bridge negative output for right channel."+ },+ {+ "number": "21",+ "name": "BSNR",+ "type": "power_in",+ "description": "Bootstrap supply for right channel negative high-side FET; connect 0.22 μF capacitor from OUTNR to BSNR."+ },+ {+ "number": "22",+ "name": "BSNL",+ "type": "power_in",+ "description": "Bootstrap supply for left channel negative high-side FET; connect 0.22 μF capacitor from OUTNL to BSNL."+ },+ {+ "number": "23",+ "name": "OUTNL",+ "type": "output",+ "description": "Class-D H-bridge negative output for left channel."+ },+ {+ "number": "24",+ "name": "GND",+ "type": "power_in",+ "description": "Power ground for the H-bridges."+ },+ {+ "number": "25",+ "name": "OUTPL",+ "type": "output",+ "description": "Class-D H-bridge positive output for left channel."+ },+ {+ "number": "26",+ "name": "BSPL",+ "type": "power_in",+ "description": "Bootstrap supply for left channel positive high-side FET; connect 0.22 μF capacitor from OUTPL to BSPL."+ },+ {+ "number": "27",+ "name": "PVCCL",+ "type": "power_in",+ "description": "Power supply for left channel H-bridge, 3.5 V to 14.4 V; internally connected with right channel PVCC."+ },+ {+ "number": "28",+ "name": "PVCCL",+ "type": "power_in",+ "description": "Power supply for left channel H-bridge, 3.5 V to 14.4 V; internally connected with right channel PVCC."+ },+ {+ "number": "29",+ "name": "EP",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: Thermal pad (exposed on package underside) is specified but not a numbered pin; must be soldered to ",+ "exposed pad 29 added from the footprint"+ ],+ "pages_sent": 37,+ "cost_usd": 0.385,+ "at": "2026-09-23T08:04:10"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/tpa3138d2",+ "pages": 37,+ "sha256": "281fbddb49687ce9",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 29,+ "described": 29,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}