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PCA9548APWR Breakout
IC MUX I2C 8CH 24-TSSOP
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£5.35
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Design a Custom BoardAbout This Component
8-channel I2C multiplexer/switch IC enabling one master to control up to 64 slave devices by addressing separate I2C buses. Operates at 2.3V to 5.5V with low propagation delay. Commonly used in systems requiring multiple I2C peripherals on isolated bus channels.
Package: TSSOP-24 (4.4×7.8mm) · 24 pins
Why does this need a breakout?
Hand-soldering 0.65mm pitch traces is difficult without proper equipment; a breakout board with standard 0.1in header spacing lets you breadboard-prototype and test these compact devices easily. Commonly used for I2C/SMBus I/O expanders and mixed-signal microcontrollers, this breakout eliminates fine-pitch soldering and allows rapid iteration during development.
Component specifications
ELECTRICAL CHARACTERISTICS
| Manufacturer | Texas Instruments |
| Part Number | PCA9548APWR |
| Package | TSSOP-24 (4.4×7.8mm) |
| Pin Count | 24 |
| Interface | I2C, SMBus |
| Voltage - Supply | 2.3V ~ 5.5V |
What's Included
BILL OF MATERIALS
- 1x PCA9548APWR soldered onto breakout PCB
- Pin headers pre-soldered (2.54mm / 0.1" pitch)
- All IC pins broken out to 2.54mm headers
Breakout Board Design
PCB SPECIFICATIONS
WIDTH
< 0.9" (straddles breadboard)
PITCH
2.54mm standard
SOLDER
Lead-free, reflow assembled
FINISH
FR4, lead-free HASL