component
PCA9546ADR
Public Made by Adomby adom
Texas Instruments Interface - Specialized, SOIC-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 @@+# PCA9546ADR++**Texas Instruments** · Interface - Specialized · SOIC-16++PCA9546ADR from Texas Instruments, in a SOIC-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 0; connect directly to VCC or ground. |+| 2 | A1 | input | Address input 1; connect directly to VCC or ground. |+| 3 | RESET | input | Active-low reset input that resets the I2C state machine and deselects all channels; connect to VDPUM through a pull-up resistor if not used. |+| 4 | SD0 | bidirectional | Serial data for channel 0; connect to VDPU0 through a pull-up resistor. |+| 5 | SC0 | bidirectional | Serial clock for channel 0; connect to VDPU0 through a pull-up resistor. |+| 6 | SD1 | bidirectional | Serial data for channel 1; connect to VDPU1 through a pull-up resistor. |+| 7 | SC1 | bidirectional | Serial clock for channel 1; connect to VDPU1 through a pull-up resistor. |+| 8 | GND | power_in | Ground. |+| 9 | SD2 | bidirectional | Serial data for channel 2; connect to VDPU2 through a pull-up resistor. |+| 10 | SC2 | bidirectional | Serial clock for channel 2; connect to VDPU2 through a pull-up resistor. |+| 11 | SD3 | bidirectional | Serial data for channel 3; connect to VDPU3 through a pull-up resistor. |+| 12 | SC3 | bidirectional | Serial clock for channel 3; connect to VDPU3 through a pull-up resistor. |+| 13 | A2 | input | Address input 2; connect directly to VCC or ground. |+| 14 | SCL | bidirectional | Serial clock line for the upstream master I2C bus; connect to VDPUM through a pull-up resistor. |+| 15 | SDA | bidirectional | Serial data line for the upstream master I2C bus; connect to VDPUM through a pull-up resistor. |+| 16 | VCC | power_in | Supply power; operating supply range is 2.3 V to 5.5 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-16 |+| Category | Interface |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `PCA9546ADR`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOIC-16 (KiCad packages3D, STEP)+- 3D model files: `pca9546adr-etched.step` / `pca9546adr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pca9546adr.step` / `pca9546adr.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/pca9546a.pdf) (43 pp, sha256 `fd5fad659b8c8ffd`, retrieved 2026-10-08, tier: manufacturer)+- **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/pca9546adr-datasheet.pdf)
page.jsonadded+248@@ -0,0 +1,248 @@+{+ "slug": "pca9546adr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Interface - Specialized, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "interface",+ "pca9546adr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "pca9546adr.kicad_sym",+ "pca9546adr.kicad_mod",+ "pca9546adr.glb",+ "pca9546adr.step",+ "pca9546adr.lbr",+ "docs/hero.png",+ "docs/pca9546adr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "pca9546adr-hero.glb",+ "pca9546adr-hero.overlay.json"+ ],+ "component": {+ "mpn": "PCA9546ADR",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-16",+ "pin_count": 16,+ "category": "Interface",+ "subcategory": "Interface - Specialized",+ "datasheet": "https://www.ti.com/lit/ds/symlink/pca9546a.pdf",+ "parts": {+ "symbol": "pca9546adr.kicad_sym",+ "footprint": "pca9546adr.kicad_mod",+ "model_3d": "pca9546adr-hero.glb",+ "model_3d_plain": "pca9546adr.glb",+ "model_3d_step": "pca9546adr-etched.step",+ "model_3d_step_plain": "pca9546adr.step",+ "lbr": "pca9546adr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2674051",+ "digikey": "296-21770-2-ND",+ "mouser": "595-PCA9546ADR"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T19:32:12Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-21770-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-PCA9546ADR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "A0",+ "type": "input",+ "description": "Address input 0; connect directly to VCC or ground."+ },+ {+ "number": "2",+ "name": "A1",+ "type": "input",+ "description": "Address input 1; connect directly to VCC or ground."+ },+ {+ "number": "3",+ "name": "RESET",+ "type": "input",+ "description": "Active-low reset input that resets the I2C state machine and deselects all channels; connect to VDPUM through a pull-up resistor if not used."+ },+ {+ "number": "4",+ "name": "SD0",+ "type": "bidirectional",+ "description": "Serial data for channel 0; connect to VDPU0 through a pull-up resistor."+ },+ {+ "number": "5",+ "name": "SC0",+ "type": "bidirectional",+ "description": "Serial clock for channel 0; connect to VDPU0 through a pull-up resistor."+ },+ {+ "number": "6",+ "name": "SD1",+ "type": "bidirectional",+ "description": "Serial data for channel 1; connect to VDPU1 through a pull-up resistor."+ },+ {+ "number": "7",+ "name": "SC1",+ "type": "bidirectional",+ "description": "Serial clock for channel 1; connect to VDPU1 through a pull-up resistor."+ },+ {+ "number": "8",+ "name": "GND",+ "type": "power_in",+ "description": "Ground."+ },+ {+ "number": "9",+ "name": "SD2",+ "type": "bidirectional",+ "description": "Serial data for channel 2; connect to VDPU2 through a pull-up resistor."+ },+ {+ "number": "10",+ "name": "SC2",+ "type": "bidirectional",+ "description": "Serial clock for channel 2; connect to VDPU2 through a pull-up resistor."+ },+ {+ "number": "11",+ "name": "SD3",+ "type": "bidirectional",+ "description": "Serial data for channel 3; connect to VDPU3 through a pull-up resistor."+ },+ {+ "number": "12",+ "name": "SC3",+ "type": "bidirectional",+ "description": "Serial clock for channel 3; connect to VDPU3 through a pull-up resistor."+ },+ {+ "number": "13",+ "name": "A2",+ "type": "input",+ "description": "Address input 2; connect directly to VCC or ground."+ },+ {+ "number": "14",+ "name": "SCL",+ "type": "bidirectional",+ "description": "Serial clock line for the upstream master I2C bus; connect to VDPUM through a pull-up resistor."+ },+ {+ "number": "15",+ "name": "SDA",+ "type": "bidirectional",+ "description": "Serial data line for the upstream master I2C bus; connect to VDPUM through a pull-up resistor."+ },+ {+ "number": "16",+ "name": "VCC",+ "type": "power_in",+ "description": "Supply power; operating supply range is 2.3 V to 5.5 V."+ }+ ],+ "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: Pin-to-number mapping was taken from the Table 5-1 column for D, DGV, DW, PW and RGY packages (page ; Pin 16 VCC description combines the Table 5-1 entry with the recommended operating supply range from; The datasheet pin table does not assign a type to each pin; the ERC types here are inferred from the"+ ],+ "pages_sent": 8,+ "cost_usd": 0.0606,+ "at": "2026-10-08T19:31:37"+ },+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/pca9546a.pdf",+ "pages": 43,+ "sha256": "fd5fad659b8c8ffd",+ "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"+ },+ "models_3d": [+ {+ "file": "pca9546adr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 9.9,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "pca9546adr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 9.9,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "3314dc51d78c3c5059645a57d99cb44d8a47f4af958a41166abb5792e826343f",+ "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]"+ }+}