component
TCA9554APWR
Public Made by Adomby adom
Texas Instruments I/O Expanders, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+52@@ -0,0 +1,52 @@+# TCA9554APWR++**Texas Instruments** · I/O Expanders · TSSOP-16++TCA9554APWR from Texas Instruments, in a TSSOP-16. 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 | A0 | input | Address input; connect directly to VCC or ground to select device address bit 0. |+| 2 | A1 | input | Address input; connect directly to VCC or ground to select device address bit 1. |+| 3 | A2 | input | Address input; connect directly to VCC or ground to select device address bit 2. |+| 4 | P0 | bidirectional | P-port input-output with push-pull design structure; configured as input at power-on. |+| 5 | P1 | bidirectional | P-port input-output with push-pull design structure; configured as input at power-on. |+| 6 | P2 | bidirectional | P-port input-output with push-pull design structure; configured as input at power-on. |+| 7 | P3 | bidirectional | P-port input-output with push-pull design structure; configured as input at power-on. |+| 8 | GND | power_in | Ground reference. |+| 9 | P4 | bidirectional | P-port input-output with push-pull design structure; configured as input at power-on. |+| 10 | P5 | bidirectional | P-port input-output with push-pull design structure; configured as input at power-on. |+| 11 | P6 | bidirectional | P-port input-output with push-pull design structure; configured as input at power-on. |+| 12 | P7 | bidirectional | P-port input-output with push-pull design structure; configured as input at power-on. |+| 13 | INT | output | Open-drain active-low interrupt output; connect to VCC through a pull-up resistor. |+| 14 | SCL | input | Serial clock bus input for I2C/SMBus communication; connect to VCC through a pull-up resistor. |+| 15 | SDA | bidirectional | Serial data bus for I2C/SMBus communication; connect to VCC through a pull-up resistor. |+| 16 | VCC | power_in | Supply voltage input; operating range 1.65V to 5.5V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-16 |+| Category | Interface |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `TCA9554APWR`+- Footprint: `Package_SO:TSSOP-16_4.4x5mm_P0.65mm`+- 3D model: TSSOP-16 (KiCad packages3D, STEP)+- 3D model files: `tca9554apwr-etched.step` / `tca9554apwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tca9554apwr.step` / `tca9554apwr.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/lit/ds/symlink/tca9554a.pdf) (48 pp, sha256 `6cfb70444ee3df57`, retrieved 2026-10-06, tier: manufacturer)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (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/tca9554apwr-datasheet.pdf)
page.jsonadded+206@@ -0,0 +1,206 @@+{+ "slug": "tca9554apwr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments I/O Expanders, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "interface",+ "tca9554apwr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "tca9554apwr.kicad_sym",+ "tca9554apwr.kicad_mod",+ "tca9554apwr.glb",+ "tca9554apwr.step",+ "tca9554apwr.lbr",+ "docs/hero.png",+ "docs/tca9554apwr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "tca9554apwr-hero.glb",+ "tca9554apwr-hero.overlay.json"+ ],+ "component": {+ "mpn": "TCA9554APWR",+ "manufacturer": "Texas Instruments",+ "package": "TSSOP-16",+ "pin_count": 16,+ "category": "Interface",+ "subcategory": "I/O Expanders",+ "datasheet": "https://www.ti.com/lit/ds/symlink/tca9554a.pdf",+ "parts": {+ "symbol": "tca9554apwr.kicad_sym",+ "footprint": "tca9554apwr.kicad_mod",+ "model_3d": "tca9554apwr-hero.glb",+ "model_3d_plain": "tca9554apwr.glb",+ "model_3d_step": "tca9554apwr-etched.step",+ "model_3d_step_plain": "tca9554apwr.step",+ "lbr": "tca9554apwr.lbr"+ },+ "distributor_links": {+ "lcsc": 2863976,+ "digikey": "296-28120-2-ND",+ "mouser": "595-TCA9554APWR"+ },+ "distributor_check": {+ "checked_at": "2026-10-06T17:15:14Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-28120-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-TCA9554APWR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "A0",+ "type": "input",+ "description": "Address input; connect directly to VCC or ground to select device address bit 0."+ },+ {+ "number": "2",+ "name": "A1",+ "type": "input",+ "description": "Address input; connect directly to VCC or ground to select device address bit 1."+ },+ {+ "number": "3",+ "name": "A2",+ "type": "input",+ "description": "Address input; connect directly to VCC or ground to select device address bit 2."+ },+ {+ "number": "4",+ "name": "P0",+ "type": "bidirectional",+ "description": "P-port input-output with push-pull design structure; configured as input at power-on."+ },+ {+ "number": "5",+ "name": "P1",+ "type": "bidirectional",+ "description": "P-port input-output with push-pull design structure; configured as input at power-on."+ },+ {+ "number": "6",+ "name": "P2",+ "type": "bidirectional",+ "description": "P-port input-output with push-pull design structure; configured as input at power-on."+ },+ {+ "number": "7",+ "name": "P3",+ "type": "bidirectional",+ "description": "P-port input-output with push-pull design structure; configured as input at power-on."+ },+ {+ "number": "8",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference."+ },+ {+ "number": "9",+ "name": "P4",+ "type": "bidirectional",+ "description": "P-port input-output with push-pull design structure; configured as input at power-on."+ },+ {+ "number": "10",+ "name": "P5",+ "type": "bidirectional",+ "description": "P-port input-output with push-pull design structure; configured as input at power-on."+ },+ {+ "number": "11",+ "name": "P6",+ "type": "bidirectional",+ "description": "P-port input-output with push-pull design structure; configured as input at power-on."+ },+ {+ "number": "12",+ "name": "P7",+ "type": "bidirectional",+ "description": "P-port input-output with push-pull design structure; configured as input at power-on."+ },+ {+ "number": "13",+ "name": "INT",+ "type": "output",+ "description": "Open-drain active-low interrupt output; connect to VCC through a pull-up resistor."+ },+ {+ "number": "14",+ "name": "SCL",+ "type": "input",+ "description": "Serial clock bus input for I2C/SMBus communication; connect to VCC through a pull-up resistor."+ },+ {+ "number": "15",+ "name": "SDA",+ "type": "bidirectional",+ "description": "Serial data bus for I2C/SMBus communication; connect to VCC through a pull-up resistor."+ },+ {+ "number": "16",+ "name": "VCC",+ "type": "power_in",+ "description": "Supply voltage input; operating range 1.65V to 5.5V."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 9,+ "cost_usd": 0.1355,+ "at": "2026-10-06T17:14:59"+ },+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/tca9554a.pdf",+ "pages": 48,+ "sha256": "6cfb70444ee3df57",+ "source_tier": "mfr"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 16,+ "described": 16,+ "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]"+ }+}