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PCA9546ABS from NXP,NXP Semiconductors

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PCA9546ABS

Manufacturer: NXP

4-channel I2C-bus switch with reset

Partnumber Manufacturer Quantity Availability
PCA9546ABS NXP 11930 In Stock

Description and Introduction

4-channel I2C-bus switch with reset The **PCA9546ABS** from NXP Semiconductors is a versatile **4-channel I²C-bus multiplexer** designed to expand the connectivity of I²C systems. This compact, low-power component enables communication between a single master device and multiple I²C slave devices by selecting one of four bidirectional channels.  

Featuring **interrupt inputs** for each channel, the PCA9546ABS enhances system efficiency by allowing the master to monitor multiple buses without continuous polling. Its **voltage-level translation** capability ensures seamless operation between devices with different supply voltages (1.8V to 5.5V), making it ideal for mixed-voltage environments.  

With a **low standby current** and robust ESD protection, the PCA9546ABS is well-suited for power-sensitive and industrial applications. The device supports **hot insertion**, minimizing disruptions during dynamic system reconfiguration.  

Housed in a **TSSOP-16 package**, the PCA9546ABS is a reliable solution for applications requiring I²C bus expansion, such as embedded systems, sensors, and communication modules. Its straightforward control via I²C commands simplifies integration, offering designers a flexible and efficient way to manage multiple I²C peripherals.  

By addressing common I²C limitations, the PCA9546ABS enhances system scalability while maintaining signal integrity and power efficiency.

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