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PCA9306DQER from TI,Texas Instruments

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PCA9306DQER

Manufacturer: TI

2-Bit Bidirectional I2C Bus and SMBus Voltage-Level Shifter 8-X2SON -40 to 85

Partnumber Manufacturer Quantity Availability
PCA9306DQER TI 25 In Stock

Description and Introduction

2-Bit Bidirectional I2C Bus and SMBus Voltage-Level Shifter 8-X2SON -40 to 85 The **PCA9306DQER** from Texas Instruments is a dual bidirectional I²C-bus and SMBus voltage-level translator designed to facilitate seamless communication between devices operating at different voltage levels. This compact, high-performance component is widely used in applications where interfacing between low-voltage and higher-voltage systems is required, such as in embedded systems, consumer electronics, and industrial automation.  

Featuring two bidirectional channels, the PCA9306DQER supports voltage translation between 1.2V and 3.3V or 1.8V and 5V, ensuring compatibility across a broad range of logic levels. Its automatic direction sensing eliminates the need for additional control signals, simplifying system design. The device also incorporates an enable (EN) pin, allowing users to disable the translator when not in use, reducing power consumption.  

With a low standby current and robust ESD protection, the PCA9306DQER is optimized for reliability in demanding environments. Its small **X2SON** package makes it suitable for space-constrained designs while maintaining excellent thermal performance.  

Engineers favor the PCA9306DQER for its ease of integration, efficiency, and ability to bridge voltage gaps without compromising signal integrity. Whether in IoT devices, battery-powered systems, or multi-voltage PCBs, this translator ensures smooth and reliable data transfer.

Application Scenarios & Design Considerations

2-Bit Bidirectional I2C Bus and SMBus Voltage-Level Shifter 8-X2SON -40 to 85

Alternative Part Number

  • TCA9406DCUR --: Pin-compatible 2-bit bidirectional voltage-level translator with similar I2C/SMBus function and open-drain architecture, available in a small DCU package.
  • TXS0102DCUR --: 2-bit bidirectional voltage-level translator covering the same low-voltage range, commonly used as a functional substitute for I2C level shifting.
  • NLSX4373DR2G --: 2-bit bidirectional level translator from a different vendor with comparable voltage translation capability, offering supply-chain diversity.

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