TCA9803DGKR

Product Overview

Category

TCA9803DGKR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used as a level shifter and translator for I2C bus applications.

Characteristics

• TCA9803DGKR is a bidirectional voltage-level translator with built-in auto-direction sensing.
• It supports both 2.5V and 1.8V logic levels, making it compatible with a wide range of devices.
• The device operates at high speed, allowing for efficient data transfer.
• It has a low standby current consumption, making it energy-efficient.

Package

TCA9803DGKR is available in a small form factor package known as VSSOP-8.

Essence

The essence of TCA9803DGKR lies in its ability to provide voltage level translation between different logic levels, enabling communication between devices operating at different voltage levels.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing 3000 units of TCA9803DGKR.

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Logic Voltage Levels: 1.8V and 2.5V
• Maximum Data Rate: 400 kbps
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

TCA9803DGKR features the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | SDA | Serial Data Input/Output | | 2 | VCCA | Power Supply for Side A | | 3 | GND | Ground | | 4 | OE | Output Enable | | 5 | SCL | Serial Clock Input | | 6 | VCCB | Power Supply for Side B | | 7 | B1 | Bidirectional Level Shifter Input/Output | | 8 | B2 | Bidirectional Level Shifter Input/Output |

Functional Features

• Bidirectional voltage-level translation between 1.8V and 2.5V logic levels.
• Auto-direction sensing eliminates the need for additional control signals.
• Supports I2C bus communication protocol.
• High-speed operation enables efficient data transfer.
• Low standby current consumption for energy efficiency.

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows compatibility with various devices.
• Small form factor package saves board space.
• Auto-direction sensing simplifies system design.
• High-speed operation enhances data transfer efficiency.

Disadvantages

• Limited to voltage level translation between 1.8V and 2.5V logic levels.
• Not suitable for applications requiring translation between different voltage ranges.

Working Principles

TCA9803DGKR utilizes a bidirectional level shifter circuit to translate voltage levels between 1.8V and 2.5V. The auto-direction sensing feature detects the direction of data flow and automatically adjusts the translation accordingly. This allows seamless communication between devices operating at different voltage levels without the need for additional control signals.

Detailed Application Field Plans

TCA9803DGKR finds application in various fields, including but not limited to: - Consumer electronics - Industrial automation - Automotive systems - Medical devices - Communication equipment

Detailed and Complete Alternative Models

Some alternative models that provide similar functionality to TCA9803DGKR are: - TXS0102DCTR - PCA9306DCUR - SN74LVC2T45DCTRG4 - FXMA2102UCCX

These alternative models offer voltage level translation capabilities and are suitable for different voltage ranges. It is recommended to choose the model that best fits the specific application requirements.

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