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TPA6133A2RTJT
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Texas Instruments Audio Amplifiers, VQFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+58@@ -0,0 +1,58 @@+# TPA6133A2RTJT++**Texas Instruments** · Audio Amplifiers · VQFN-20-EP(4x4)++TPA6133A2RTJT from Texas Instruments, in a VQFN-20-EP(4x4). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | LEFTINM | input | Left channel negative differential input whose impedance must be matched to LEFTINP; connect it to LEFTINM when using single-ended inputs. |+| 2 | LEFTINP | input | Left channel positive differential input whose impedance must be matched to LEFTINM; AC-ground it near the signal source while keeping the matched impedance when using single-ended inputs. |+| 3 | GND | power_in | Analog ground that must be connected to common supply GND and is recommended for decoupling analog VDD. |+| 4 | RIGHTINP | input | Right channel positive differential input whose impedance must be matched to RIGHTINM; AC-ground it near the signal source while keeping the matched impedance when using single-ended inputs. |+| 5 | RIGHTINM | input | Right channel negative differential input whose impedance must be matched to RIGHTINP; connect it to RIGHTINM when using single-ended inputs. |+| 6 | SD | input | Active-low shutdown logic input that is 5 V tolerant, with VIH of 1.3 V and VIL of 0.35 V per the recommended operating conditions; logic 1 activates the headphone channels and charge pump. |+| 7 | TEST2 | input | Factory test pin that must be pulled up to the VDD supply as shown in the applications diagram. |+| 8 | TEST1 | input | Factory test pin that must be pulled up to the VDD supply as shown in the applications diagram. |+| 9 | GND | power_in | Analog ground that must be connected to common supply GND. |+| 10 | GND | power_in | Analog ground that must be connected to common supply GND. |+| 11 | HPRIGHT | output | Headphone right channel output that connects to the right terminal of the headphone jack. |+| 12 | VDD | power_in | Analog VDD that must be connected to the common VDD supply (2.5 V to 5.5 V) and decoupled with its own 1 µF capacitor to analog ground at pin 13. |+| 13 | GND | power_in | Analog ground that must be connected to common supply GND and is used to decouple pin 12 on the QFN package. |+| 14 | HPLEFT | output | Headphone left channel output that connects to the left terminal of the headphone jack. |+| 15 | CPVSS | power_out | Negative supply generated by the charge pump that must be decoupled to pin 19 or a GND plane with a 1 µF capacitor. |+| 16 | CPVSS | power_out | Negative supply generated by the charge pump that must be decoupled to pin 19 or a GND plane with a 1 µF capacitor. |+| 17 | CPN | passive | Charge pump flying capacitor negative terminal; one side of the flying capacitor connects to CPN. |+| 18 | CPP | passive | Charge pump flying capacitor positive terminal; one side of the flying capacitor connects to CPP. |+| 19 | GND | power_in | Charge pump ground that must be connected to common supply GND and decoupled to the charge pump VDD pin (pin 20). |+| 20 | VDD | power_in | Charge pump voltage supply that must be connected to the common VDD supply (2.5 V to 5.5 V) and decoupled to GND (pin 19) with its own 1 µF capacitor. |+| 21 | Thermal pad | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-20-EP(4x4) |+| Category | Amplifiers/Comparators |+| Pins | 21 |++## CAD (KiCad official)++- Symbol: `TPA6133A2RTJT`+- Footprint: `Package_DFN_QFN:QFN-20-1EP_4x4mm_P0.5mm_EP2.5x2.5mm`+- 3D model: VQFN-20-EP(4x4) (KiCad packages3D, STEP)+- 3D model files: `tpa6133a2rtjt-etched.step` / `tpa6133a2rtjt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tpa6133a2rtjt.step` / `tpa6133a2rtjt.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/tpa6133a2) (28 pp, sha256 `747d0105fa5e6e34`, retrieved 2026-10-08, 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 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (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/tpa6133a2rtjt-datasheet.pdf)
page.jsonadded+279@@ -0,0 +1,279 @@+{+ "slug": "tpa6133a2rtjt",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Audio Amplifiers, VQFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "amplifiers-comparators",+ "tpa6133a2rtjt",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "tpa6133a2rtjt.kicad_sym",+ "tpa6133a2rtjt.kicad_mod",+ "tpa6133a2rtjt.glb",+ "tpa6133a2rtjt.step",+ "tpa6133a2rtjt.lbr",+ "docs/hero.png",+ "docs/tpa6133a2rtjt-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "tpa6133a2rtjt-hero.glb",+ "tpa6133a2rtjt-hero.overlay.json"+ ],+ "component": {+ "mpn": "TPA6133A2RTJT",+ "manufacturer": "Texas Instruments",+ "package": "VQFN-20-EP(4x4)",+ "pin_count": 21,+ "category": "Amplifiers/Comparators",+ "subcategory": "Audio Amplifiers",+ "datasheet": "https://www.ti.com/cn/lit/gpn/tpa6133a2",+ "parts": {+ "symbol": "tpa6133a2rtjt.kicad_sym",+ "footprint": "tpa6133a2rtjt.kicad_mod",+ "model_3d": "tpa6133a2rtjt-hero.glb",+ "model_3d_plain": "tpa6133a2rtjt.glb",+ "model_3d_step": "tpa6133a2rtjt-etched.step",+ "model_3d_step_plain": "tpa6133a2rtjt.step",+ "lbr": "tpa6133a2rtjt.lbr"+ },+ "distributor_links": {+ "lcsc": "C2878942",+ "digikey": "296-50030-2-ND",+ "mouser": "595-TPA6133A2RTJT"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T18:02:12Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-50030-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-TPA6133A2RTJT",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "LEFTINM",+ "type": "input",+ "description": "Left channel negative differential input whose impedance must be matched to LEFTINP; connect it to LEFTINM when using single-ended inputs."+ },+ {+ "number": "2",+ "name": "LEFTINP",+ "type": "input",+ "description": "Left channel positive differential input whose impedance must be matched to LEFTINM; AC-ground it near the signal source while keeping the matched impedance when using single-ended inputs."+ },+ {+ "number": "3",+ "name": "GND",+ "type": "power_in",+ "description": "Analog ground that must be connected to common supply GND and is recommended for decoupling analog VDD."+ },+ {+ "number": "4",+ "name": "RIGHTINP",+ "type": "input",+ "description": "Right channel positive differential input whose impedance must be matched to RIGHTINM; AC-ground it near the signal source while keeping the matched impedance when using single-ended inputs."+ },+ {+ "number": "5",+ "name": "RIGHTINM",+ "type": "input",+ "description": "Right channel negative differential input whose impedance must be matched to RIGHTINP; connect it to RIGHTINM when using single-ended inputs."+ },+ {+ "number": "6",+ "name": "SD",+ "type": "input",+ "description": "Active-low shutdown logic input that is 5 V tolerant, with VIH of 1.3 V and VIL of 0.35 V per the recommended operating conditions; logic 1 activates the headphone channels and charge pump."+ },+ {+ "number": "7",+ "name": "TEST2",+ "type": "input",+ "description": "Factory test pin that must be pulled up to the VDD supply as shown in the applications diagram."+ },+ {+ "number": "8",+ "name": "TEST1",+ "type": "input",+ "description": "Factory test pin that must be pulled up to the VDD supply as shown in the applications diagram."+ },+ {+ "number": "9",+ "name": "GND",+ "type": "power_in",+ "description": "Analog ground that must be connected to common supply GND."+ },+ {+ "number": "10",+ "name": "GND",+ "type": "power_in",+ "description": "Analog ground that must be connected to common supply GND."+ },+ {+ "number": "11",+ "name": "HPRIGHT",+ "type": "output",+ "description": "Headphone right channel output that connects to the right terminal of the headphone jack."+ },+ {+ "number": "12",+ "name": "VDD",+ "type": "power_in",+ "description": "Analog VDD that must be connected to the common VDD supply (2.5 V to 5.5 V) and decoupled with its own 1 µF capacitor to analog ground at pin 13."+ },+ {+ "number": "13",+ "name": "GND",+ "type": "power_in",+ "description": "Analog ground that must be connected to common supply GND and is used to decouple pin 12 on the QFN package."+ },+ {+ "number": "14",+ "name": "HPLEFT",+ "type": "output",+ "description": "Headphone left channel output that connects to the left terminal of the headphone jack."+ },+ {+ "number": "15",+ "name": "CPVSS",+ "type": "power_out",+ "description": "Negative supply generated by the charge pump that must be decoupled to pin 19 or a GND plane with a 1 µF capacitor."+ },+ {+ "number": "16",+ "name": "CPVSS",+ "type": "power_out",+ "description": "Negative supply generated by the charge pump that must be decoupled to pin 19 or a GND plane with a 1 µF capacitor."+ },+ {+ "number": "17",+ "name": "CPN",+ "type": "passive",+ "description": "Charge pump flying capacitor negative terminal; one side of the flying capacitor connects to CPN."+ },+ {+ "number": "18",+ "name": "CPP",+ "type": "passive",+ "description": "Charge pump flying capacitor positive terminal; one side of the flying capacitor connects to CPP."+ },+ {+ "number": "19",+ "name": "GND",+ "type": "power_in",+ "description": "Charge pump ground that must be connected to common supply GND and decoupled to the charge pump VDD pin (pin 20)."+ },+ {+ "number": "20",+ "name": "VDD",+ "type": "power_in",+ "description": "Charge pump voltage supply that must be connected to the common VDD supply (2.5 V to 5.5 V) and decoupled to GND (pin 19) with its own 1 µF capacitor."+ },+ {+ "number": "21",+ "name": "Thermal pad",+ "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: The exposed thermal pad on the bottom of the RTJ package is listed in the pin table as 'Thermal pad'; The datasheet pin table gives pins 15 and 16 together as one CPVSS entry and pins 3, 9, 10, 13 and 1; TEST1 and TEST2 are typed 'I' in the datasheet and described as factory test pins pulled up to VDD; ",+ "exposed pad 21 added from the footprint"+ ],+ "pages_sent": 28,+ "cost_usd": 0.1111,+ "at": "2026-10-08T18:01:36"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/tpa6133a2",+ "pages": 28,+ "sha256": "747d0105fa5e6e34",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 21,+ "described": 21,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "tpa6133a2rtjt.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 4,+ 4,+ 0.77+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "c9476a1612023de37f27b4972110ab6ac6dc0eaf5ac48957a2e1c497650082a5",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "tpa6133a2rtjt-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 4,+ 4,+ 0.77+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "703632d578bbab6ce64f6a1cb4e2c302accafb1d7647e1bedfd71d126f8c8351",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}