component
PCA9534DBR
Public Made by Adomby adom
Texas Instruments I/O Expanders, SSOP-16-208mil. Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads on click. Unloads only if this page sits in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads on click. Unloads only if this page sits in the background.
PCB Footprint
Open full view ↗Loads on click. Unloads only if this page sits in the background.
Datasheet
Open in new tab ↗Loads on click. Unloads only if this page sits in the background.
README
markdownPCA9534DBR
Texas Instruments · I/O Expanders · SSOP-16-208mil
PCA9534DBR from Texas Instruments, in a SSOP-16-208mil. 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 | A0 | input | Address input pin; connect directly to VCC or ground to select device I2C address. |
| 2 | A1 | input | Address input pin; connect directly to VCC or ground to select device I2C address. |
| 3 | A2 | input | Address input pin; connect directly to VCC or ground to select device I2C address. |
| 4 | P0 | bidirectional | I/O port pin with push-pull output structure; configurable as input or output via configuration register. |
| 5 | P1 | bidirectional | I/O port pin with push-pull output structure; configurable as input or output via configuration register. |
| 6 | P2 | bidirectional | I/O port pin with push-pull output structure; configurable as input or output via configuration register. |
| 7 | P3 | bidirectional | I/O port pin with push-pull output structure; configurable as input or output via configuration register. |
| 8 | GND | power_in | Ground reference pin. |
| 9 | P4 | bidirectional | I/O port pin with push-pull output structure; configurable as input or output via configuration register. |
| 10 | P5 | bidirectional | I/O port pin with push-pull output structure; configurable as input or output via configuration register. |
| 11 | P6 | bidirectional | I/O port pin with push-pull output structure; configurable as input or output via configuration register. |
| 12 | P7 | bidirectional | I/O port pin with push-pull output structure; configurable as input or output via configuration register. |
| 13 | INT | output | Interrupt output pin with open-drain structure; active low when interrupt condition occurs; requires external pullup resistor to VCC. |
| 14 | SCL | bidirectional | Serial clock for I2C/SMBus interface with open-drain structure; requires external pullup resistor to VCC. |
| 15 | SDA | bidirectional | Serial data for I2C/SMBus interface with open-drain structure; requires external pullup resistor to VCC. |
| 16 | VCC | power_in | Supply voltage pin; operating voltage range 2.3 V to 5.5 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SSOP-16-208mil |
| Category | Communication Interface Chip/UART/485/232 |
| Pins | 16 |
CAD (KiCad official)
- Symbol:
PCA9534DBR - Footprint:
Package_SO:SSOP-16_5.3x6.2mm_P0.65mm - 3D model: SSOP-16-208mil (KiCad packages3D, STEP)
- 3D model files:
pca9534dbr-etched.step/pca9534dbr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);pca9534dbr.step/pca9534dbr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (47 pp, sha256
a14499561793e160, retrieved 2026-09-22, 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, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(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).