The PCF8575CDB is an i, O Expander made by Texas Instruments in a SSOP-24-208mil package with 24 pins. -40℃~+85℃ 16 4.5V~5.5V 400kHz I2C、SMBus Interrupt Output Open-drain Reset function、Cascading and address extension、Built-in LED driver SSOP-24-208mil I/O Expanders ROHS.
PCBKit's library has its KiCad symbol (SparkFun-Retired:PCF8575C, from Eagle libraries) and its footprint (Package_SO:SSOP-24_5.3x8.2mm_P0.65mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C1522646). 2 open-source boards in 2 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | INT | Unspecified |
| 2 | A1 | Unspecified |
| 3 | A2 | Unspecified |
| 4 | PO0 | Unspecified |
| 5 | PO1 | Unspecified |
| 6 | PO2 | Unspecified |
| 7 | PO3 | Unspecified |
| 8 | PO4 | Unspecified |
| 9 | PO5 | Unspecified |
| 10 | PO6 | Unspecified |
| 11 | PO7 | Unspecified |
| 12 | GND | Unspecified |
| 13 | P10 | Unspecified |
| 14 | P11 | Unspecified |
| 15 | P12 | Unspecified |
| 16 | P13 | Unspecified |
| 17 | P14 | Unspecified |
| 18 | P15 | Unspecified |
| 19 | P16 | Unspecified |
| 20 | P17 | Unspecified |
| 21 | A0 | Unspecified |
| 22 | SCL | Unspecified |
| 23 | SDA | Unspecified |
| 24 | VCC | Unspecified |
adamatom/chewtoy
This is a KiCad project for a i2c and GPIO expander cape for the BeagleBone Black. It provides eight expansion ports, with each port offering access to the common i2c bus as well as two dedicated GPIO pins
edgranzella/PTuP_2026_displayLCD_8Zonas_4Salidas
Este repositorio contiene el diseño electrónico y ruteado de PCB avanzado desarrollado en KiCad para el módulo PTuP 2026.
<iframe src="https://pcbkit.io/embed/parts/ti/PCF8575CDB" title="PCF8575CDB in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/ti/PCF8575CDB.jpg" alt="PCF8575CDB" width="1200" height="900">[](https://pcbkit.io/parts/ti/PCF8575CDB)Yes. The symbol is SparkFun-Retired:PCF8575C and the footprint Package_SO:SSOP-24_5.3x8.2mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
SSOP-24-208mil, with 24 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 C1522646, with 0 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the TCA9555DB by Texas Instruments, the PCA9555DB by Texas Instruments, the TCA9535DB by Texas Instruments and the MAX7312AAG+T by Maxim Integrated (Analog Devices). 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.
