

Overview
The PCA9548APW is an interface Specialized made by NXP Semiconductors in a TSSOP-24 package with 24 pins. 2.3V~3.6V I2C、SMBus TSSOP-24 Interface - Specialized ROHS.
PCBKit's library has its KiCad symbol (Interface_Expansion:PCA9548APW, from KiCad's library) and its footprint (Package_SO:TSSOP-24_4.4x7.8mm_P0.65mm, from KiCad's library), ready for a KiCad board. 24,072 are in stock at JLCPCB (part C21198). 10 open-source boards in 9 repositories on GitHub use it.
Symbol
Footprint
Parameters
6- Features
- Power-up/reset configuration
- Interface
- SMBus
- Operating Temperature
- -40℃~+85℃
- Quiescent Supply Current
- 200nA
- Supply Current
- 100uA
- Voltage - Supply
- 2.3V~3.6V
Order codes
1- PCA9548APW,118LCSC C21198
Pinout
24| Pin | Name | Type |
|---|---|---|
| 1 | A0 | Input |
| 2 | A1 | Input |
| 3 | RESET | Input |
| 4 | SD0 | Input/output |
| 5 | SC0 | Output |
| 6 | SD1 | Input/output |
| 7 | SC1 | Output |
| 8 | SD2 | Input/output |
| 9 | SC2 | Output |
| 10 | SD3 | Input/output |
| 11 | SC3 | Output |
| 12 | GND | Power in |
| 13 | SD4 | Input/output |
| 14 | SC4 | Output |
| 15 | SD5 | Input/output |
| 16 | SC5 | Output |
| 17 | SD6 | Input/output |
| 18 | SC6 | Output |
| 19 | SD7 | Input/output |
| 20 | SC7 | Output |
| 21 | A2 | Input |
| 22 | SCL | Input |
| 23 | SDA | Input/output |
| 24 | VCC | Power in |
Open-source boards using it
All 10- 2 layers294 × 100 mm

- 4 layers313 × 206 mm

OverHead v1
stefanofinetti/MF_OverHead_Panel
Complete project for the Airbus A319/320/321/330 OverHead Panel
416 parts5GPL-3.0 - 2 layers294 × 100 mm

Chu main
samguns/chu_pico_clone
Features: It's small, made for 15-17 inch screen. Air towers are replaced with built-in ToF sensors. Traditional IR Air mechanism is also provided for DIYers. HID lights, of course! 32 keys (upper and lower rows).
112 parts - 4 layers317.5 × 228.6 mm

- 4 layers89.8 × 92.5 mm

- 2 layers270 × 100 mm

FCU Mainboard v3
stefanofinetti/MF_A320_Glareshield
Complete project for the MobiFlight FCU/EFIS Mainboard
143 partsGPL-3.0 - 2 layers296 × 16 mm

- 2 layers137 × 89 mm

OVHD Mainboard
stefanofinetti/MF_OverHead_Panel
Complete project for the Airbus A319/320/321/330 OverHead Panel
127 parts5GPL-3.0
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Is there a KiCad symbol and footprint for the PCA9548APW?
Yes. The symbol is Interface_Expansion:PCA9548APW and the footprint Package_SO:TSSOP-24_4.4x7.8mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the PCA9548APW?
TSSOP-24, with 24 pins. Its footprint is drawn on this page.
Where is the PCA9548APW datasheet?
NXP Semiconductors publishes it: the Datasheet link on this page opens it.
Where can I order the PCA9548APW?
JLCPCB lists it as part C21198, with 24,072 in stock; the sellers' links on this page open their listings.
What can replace the PCA9548APW?
Parts like it in the library: the PCA9548APW by Texas Instruments, the TPD12S016PW by Texas Instruments, the SI2457-D-FT by Silicon Labs and the AD1803JRU-REEL by Analog Devices. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the PCA9548APW?
10 boards in 9 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
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