TCA9517ADGKR

Product Overview

Category

TCA9517ADGKR belongs to the category of integrated circuits (ICs) used for level shifting and translating signals in I2C bus applications.

Use

This product is primarily used to enable communication between devices operating at different voltage levels within an I2C bus system. It ensures compatibility and reliable data transfer between devices with varying voltage requirements.

Characteristics

• Level shifting and translating IC
• Supports bidirectional data transfer
• Compatible with I2C bus systems
• Wide voltage range operation
• Low power consumption
• Small form factor package

Package

TCA9517ADGKR is available in a small 8-pin VSSOP (Very Small Outline Package) which provides compactness and ease of integration into various electronic designs.

Essence

The essence of TCA9517ADGKR lies in its ability to facilitate seamless communication between devices with different voltage levels, ensuring smooth data transfer and compatibility within an I2C bus system.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a specified quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier or manufacturer.

Specifications

• Supply Voltage: 1.65V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Maximum Data Rate: 400 kbps
• Number of Channels: 1
• Input/Output Logic Compatibility: 1.8V, 2.5V, 3.3V, 5V

Detailed Pin Configuration

The TCA9517ADGKR IC has the following pin configuration:

1. SDA_IN: Input/Output for Serial Data Line
2. SCL_IN: Input for Serial Clock Line
3. GND: Ground
4. OE: Output Enable
5. SDA_OUT: Output for Serial Data Line
6. SCL_OUT: Output for Serial Clock Line
7. VCC: Supply Voltage
8. NC: No Connection

Functional Features

• Bidirectional voltage level shifting between I2C bus lines
• Automatic direction sensing and control
• Supports multiple voltage levels (1.8V, 2.5V, 3.3V, 5V)
• Provides buffering and isolation between devices with different voltage requirements
• Low power consumption for energy-efficient operation

Advantages and Disadvantages

Advantages

• Enables communication between devices with different voltage levels
• Ensures compatibility within an I2C bus system
• Compact package size for easy integration into designs
• Wide operating voltage range for flexibility
• Low power consumption for energy efficiency

Disadvantages

• Limited to I2C bus applications
• Maximum data rate of 400 kbps may not be sufficient for high-speed applications

Working Principles

TCA9517ADGKR operates by monitoring the voltage levels on the SDAIN and SCLIN lines. It automatically detects the direction of data flow and adjusts the voltage levels accordingly using internal level shifters. This ensures that the signals are translated to the appropriate voltage levels required by the connected devices.

Detailed Application Field Plans

TCA9517ADGKR finds application in various fields where I2C bus systems are used. Some potential application areas include:

1. Consumer Electronics: Enables communication between devices with different voltage requirements, such as smartphones, tablets, and smart home devices.
2. Industrial Automation: Facilitates interoperability between sensors, actuators, and control units operating at different voltage levels.
3. Automotive Electronics: Allows seamless communication between components in automotive systems, such as infotainment systems, sensors, and control modules.
4. Medical Devices: Ensures compatibility and reliable data transfer between medical devices with varying voltage levels, enhancing overall system performance.

Detailed and Complete Alternative Models

1. PCA9306: Similar level shifting IC for I2C bus applications, offering bidirectional voltage translation and automatic direction sensing.
2. TXB0108: Provides level shifting and translating capabilities for various communication protocols, including I2C, SPI, and UART.
3. BSS138: MOSFET-based level shifter suitable for low-voltage applications, including I2C bus systems.

These alternative models offer similar functionality to TCA9517ADGKR and can be considered as alternatives based on specific design requirements.

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