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PCA9306DCTT

Translation - Voltage Levels Dual BiDir I2C-Bus & SMBus Vltg Lvl-Tran

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Overview of PCA9306DCTT

The PCA9306DCTT is a dual bidirectional I2C-bus and SMBus voltage-level translator designed to support voltage translation between different devices with different voltage levels. This IC is specifically designed for applications where different voltages need to communicate effectively over a shared bus system.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • A1: System 1 Input/Output
  • GND1: Ground for System 1
  • B1: System 1 Input/Output
  • A2: System 2 Input/Output
  • GND2: Ground for System 2
  • B2: System 2 Input/Output

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the PCA9306DCTT for a visual representation.

Key Features

  • Dual Bidirectional Voltage Translation: Allows for seamless translation of voltage levels between two systems.
  • I2C-Bus and SMBus Compatible: Supports popular communication protocols for versatile connectivity.
  • Low Standby Current Consumption: Features low-power consumption for energy-efficient operation.
  • Automatic Direction Detection: Automatically senses and switches direction for easy integration.
  • Wide Operating Voltage Range: Operates from 1.2V to 3.6V, making it suitable for a variety of applications.

Note: For detailed technical specifications, please refer to the PCA9306DCTT datasheet.

Application

  • Interfacing Different Voltage Systems: Ideal for applications requiring communication between devices with different voltage levels.
  • I2C and SMBus Communication: Suitable for I2C and SMBus communication systems that need voltage translation capabilities.
  • Embedded Systems: Used in embedded systems to facilitate communication between components with varying voltage requirements.

Functionality

The PCA9306DCTT enables seamless voltage translation between different systems, ensuring efficient and reliable communication across devices with varying voltage levels.

Usage Guide

  • Connect System 1 and System 2 to the respective input/output pins for bidirectional communication.
  • Ensure proper grounding for both systems to maintain signal integrity during voltage translation.
  • Refer to the datasheet for detailed guidelines on voltage level compatibility and setup.

Frequently Asked Questions

Q: Can the PCA9306DCTT support level translation for I2C and SMBus systems simultaneously?
A: Yes, the PCA9306DCTT is capable of bidirectional voltage translation for both I2C and SMBus systems, providing versatile compatibility.

Q: What is the standby current consumption of the PCA9306DCTT?
A: The PCA9306DCTT features low standby current consumption, making it suitable for power-sensitive applications.

Equivalent

For similar functionalities, consider these alternatives to the PCA9306DCTT:

  • TXB0106: A dual bidirectional voltage-level translator with similar features for voltage translation applications.
  • BSS138: This is a level shifter MOSFET that can be used for bidirectional voltage translation in certain applications.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Features Enable pin Frequency (max) (MHz) 0.4
VCCA (min) (V) 1.2 VCCA (max) (V) 3.3
VCCB (min) (V) 1.8 VCCB (max) (V) 5.5
Supply restrictions VCCA <= VCCB Rating Catalog
Operating temperature range (°C) -40 to 85

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