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PCA9306DP from NXP,NXP Semiconductors

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PCA9306DP

Manufacturer: NXP

Dual bidirectional I2C-bus and SMBus voltage-level translator

Partnumber Manufacturer Quantity Availability
PCA9306DP NXP 366 In Stock

Description and Introduction

Dual bidirectional I2C-bus and SMBus voltage-level translator The **PCA9306DP** from NXP Semiconductors 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 and efficient 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 PCA9306DP ensures reliable data transfer while maintaining signal integrity. It supports voltage translation between 1.2V and 3.3V or between 1.8V and 5V, making it versatile for mixed-voltage designs. The device includes an enable (EN) pin, allowing users to disable the translator when not in use, thereby reducing power consumption.  

With its automatic direction sensing, the PCA9306DP eliminates the need for additional control signals, simplifying system design. Its robust ESD protection enhances reliability in demanding environments. Packaged in a space-saving TSSOP-8 form factor, the component is ideal for compact PCB layouts.  

Engineers favor the PCA9306DP for its ease of integration, low power consumption, and high-speed performance, making it a preferred choice for voltage-level translation in modern electronic systems.

Application Scenarios & Design Considerations

Dual bidirectional I2C-bus and SMBus voltage-level translator

Alternative Part Number

  • TCA9406DCTR --: Pin-compatible dual bidirectional I2C/SMBus voltage-level translator with similar voltage translation range and open-drain architecture, widely available and functionally equivalent.
  • TXS0102DCTR --: Two-bit bidirectional voltage-level translator covering the same low-voltage I2C translation range, commonly used as a drop-in functional substitute for PCA9306.
  • PI4ULS3V204LE --: Bidirectional level shifter supporting I2C and general-purpose signals with comparable voltage translation capability, suitable alternative when NXP part is unavailable.

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