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TCA9546APWR Breakout
IC BUS SWITCH 2X1:4 MULTIPLEXER TSSOP-16
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£4.22
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Design a Custom BoardAbout This Component
Dual 1-of-4 I2C/SMBus multiplexer switch in 16-TSSOP package. Routes two independent I2C buses to four separate bus segments each, enabling connection of multiple devices with identical addresses. Operates at 5V with low on-resistance switching and integrated level-shifting capability for mixed-voltage systems.
Package: TSSOP-16 (4.4×5mm) · 16 pins
Why does this need a breakout?
The 0.65mm pitch makes hand soldering difficult and error-prone; a breakout board lets you solder standard headers instead. This package hosts precision analog and mixed-signal ICs like DACs and ADCs that benefit from clean PCB layouts and decoupling placement. Prototyping becomes faster with breadboard-compatible pin headers, eliminating the need for a custom carrier PCB.
Component specifications
ELECTRICAL CHARACTERISTICS
| Manufacturer | Texas Instruments |
| Part Number | TCA9546APWR |
| Package | TSSOP-16 (4.4×5mm) |
| Pin Count | 16 |
| Circuit | 2 x 1:4 |
| Type | Bus Switch |
| Voltage - Supply | 1.65V ~ 5.5V |
| Voltage Supply Source | Single Supply |
What's Included
BILL OF MATERIALS
- 1x TCA9546APWR 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