
0015 TCA9554 GPIO rev01a
SP6GK/TCA9554_STM32_GPIO_Expander
STM32 HAL driver for TCA9554 GPIO expander + evaluation board.
Texas InstrumentsExtended
-40℃~+85℃ 1.65V~5.5V 400kHz I2C Interrupt Output Reset function、Cascading and address extension、Built-in LED driver SOIC-16-300mil I/O Expanders ROHS
The TCA9554DW is an i, O Expander made by Texas Instruments in a SOIC-16-300mil package with 16 pins. -40℃~+85℃ 1.65V~5.5V 400kHz I2C Interrupt Output Reset function、Cascading and address extension、Built-in LED driver SOIC-16-300mil I/O Expanders ROHS.
PCBKit's library has its KiCad symbol (Interface_Expansion:TCA9554DW, from KiCad's library) and its footprint (Package_SO:SOIC-16W_7.5x10.3mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C1848123). 2 open-source boards in 2 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | A0 | Input |
| 2 | A1 | Input |
| 3 | A2 | Input |
| 4 | P0 | Input/output |
| 5 | P1 | Input/output |
| 6 | P2 | Input/output |
| 7 | P3 | Input/output |
| 8 | GND | Power in |
| 9 | P4 | Input/output |
| 10 | P5 | Input/output |
| 11 | P6 | Input/output |
| 12 | P7 | Input/output |
| 13 | INT | Open collector |
| 14 | SCL | Input |
| 15 | SDA | Input/output |
| 16 | VDD | Power in |

SP6GK/TCA9554_STM32_GPIO_Expander
STM32 HAL driver for TCA9554 GPIO expander + evaluation board.

SolidwareGit/Modular-GP2040-Dev-Board
This is a development board for the RP2040 to enable creation of a modular GP2040-CE, using I2C, for fightsticks or other controller peripherals
Yes. The symbol is Interface_Expansion:TCA9554DW and the footprint Package_SO:SOIC-16W_7.5x10.3mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
SOIC-16-300mil, with 16 pins. Its footprint is drawn on this page.
Texas Instruments publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C1848123, with 0 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the TCA9534DW by Texas Instruments, the PCA9538DW by Texas Instruments, the PCA9534D,118 by NXP Semiconductors and the PCA9554ADW by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
2 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.