
Desktopia
Diabltica/Desktopia
Desktopia is an open-source project for easy height control of your IKEA Skarsta/Trotten sit-stand desk, providing a comfortable and customizable workspace experience
Texas InstrumentsExtended
-40℃~+85℃ 1.65V~5.5V 1.9uA 10mA 25mA 400kHz 400mV 8 8 I2C Interrupt Output Push-Pull Reset function、Cascade and address expansion、Built-in LED driver、IO level configurable SSOP-16-208mil I/O Expanders ROHS
The TCA9554DB is an i, O Expander made by Texas Instruments in a SSOP-16-208mil package with 16 pins. -40℃~+85℃ 1.65V~5.5V 1.9uA 10mA 25mA 400kHz 400mV 8 8 I2C Interrupt Output Push-Pull Reset function、Cascade and address expansion、Built-in LED driver、IO level configurable SSOP-16-208mil I/O Expanders ROHS.
PCBKit's library has its KiCad symbol (Interface_Expansion:TCA9554DB, from KiCad's library) and its footprint (Package_SO:SSOP-16_5.3x6.2mm_P0.65mm, from KiCad's library), ready for a KiCad board. 947 are in stock at JLCPCB (part C2669750). 1 open-source board in 1 repository 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 |

Diabltica/Desktopia
Desktopia is an open-source project for easy height control of your IKEA Skarsta/Trotten sit-stand desk, providing a comfortable and customizable workspace experience
Yes. The symbol is Interface_Expansion:TCA9554DB and the footprint Package_SO:SSOP-16_5.3x6.2mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
SSOP-16-208mil, 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 C2669750, with 947 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the TCA9554ADBQ by Texas Instruments, the TCA9538DB by Texas Instruments, the PCA9554DB by NXP Semiconductors and the PCA9554ADBR by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.