TCA9802DGKR

Abbildungen dienen nur als Referenz

TCA9802DGKR

+Stückliste

IC TRNSLTR BIDIRECTIONAL 8VSSOP

  • HerstellerTexas Instruments

  • Herstellerteil #TCA9802DGKR

  • Paket VSSOP-8

  • Auf Lager3191

365 Tage Qualitätsgarantie

7*24 Stunden-Servicegarantie

90-Tage Kundendienstgarantie

Originalproduktgarantie

Spezifikationen

Attribut Wert
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Translator Type Voltage Level
Channel Type Bidirectional
Number of Circuits 1
Channelsper Circuit 2
Voltage - VCCA 0.8 V ~ 3.6 V
Voltage - VCCB 1.65 V ~ 3.6 V
Output Type Non-Inverted
Operating Temperature -40°C ~ 125°C (TA)
Mounting Type Surface Mount

Übersicht

Description

The TCA9802DGKR is a bidirectional level-shifting I2C bus repeater designed by Texas Instruments. This device is used to facilitate communication between I2C devices operating at different voltage levels, expanding the compatibility and integration of components within a system. It supports open-drain topology and ensures signal integrity across varying voltage domains, which is crucial for maintaining robust communication in multi-voltage environments.
Key features of the TCA9802DGKR include its ability to handle voltage levels from 0.8V to 3.6V, making it suitable for a wide range of applications. The device also supports clock stretching, arbitration, and synchronization, which are essential features in complex I2C networks. The TCA9802DGKR is available in a compact VSSOP-8 package, optimizing board space in densely populated designs.
This repeater enhances system performance by reducing signal distortion and ensuring reliable data transfer over extended distances or through complex cabling. It is widely used in consumer electronics, industrial automation, and automotive applications where efficient I2C communication is critical.

Equivalent

The TCA9802DGKR is a dual bidirectional I2C buffer from Texas Instruments. Equivalent products from other manufacturers may include:
1. PCA9517 from NXP
2. LTC4311 from Analog Devices
3. MAX14954 from Maxim Integrated
These components also serve to buffer I2C signals, providing level translation and improved drive capabilities. Ensure to check the specific datasheets to match electrical specifications and features for compatibility.

Features

The TCA9802DGKR is a specialized I2C bus buffer with a focus on improving signal integrity and reliability in communication systems. Key features include:
1. Dual-Channel I2C Buffer: Supports bidirectional data transfer on both channels.
2. Level Translation: Compatible with multiple voltage levels, typically used to bridge different voltage domains between I2C buses.
3. High Noise Immunity: Incorporates voltage and current offset features to suppress bus signal noise.
4. Hot Swapping Capability: Allows for live insertion and removal of I2C devices without disrupting the bus operation.
5. Prevention of Bus Lockup: Equipped with logic to prevent I2C bus lockup conditions, ensuring stable communication.
6. Supports Fast and Standard Modes: Compatible with both standard (up to 100 kHz) and fast mode (up to 400 kHz) I2C operations.
7. Low Propagation Delay: Maintains quick signal transmission with minimal delay.
8. Small Package Size: Available in a compact VSSOP (DGK) package, facilitating space-constrained designs.
9. Wide Operating Temperature Range: Suitable for use in various environmental conditions.
These features make the TCA9802DGKR ideal for enhancing communication in complex electronic systems.

Pinout

The TCA9802DGKR is an I2C bus buffer from Texas Instruments. It comes in the VSSOP-8 package, which has 8 pins. The primary function of the TCA9802DGKR is to buffer I2C signals to allow for reliable communication over longer distances or with multiple devices. This device helps in isolating capacitance and ensuring signal integrity.
Here is a brief rundown of the pin functions:
1. A1: I2C bus A side data I/O.
2. A2: I2C bus A side clock I/O.
3. VCCA: Supply voltage for the A side.
4. GND: Ground.
5. B1: I2C bus B side data I/O.
6. B2: I2C bus B side clock I/O.
7. VCCB: Supply voltage for the B side.
8. EN: Enable pin for the device.
This configuration allows the TCA9802 to facilitate communication between two I2C buses running at potentially different voltage levels while maintaining signal integrity and low power consumption.

Manufacturer

The TCA9802DGKR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is a global technology company that designs and manufactures semiconductors and various integrated circuits, which are used in electronics across different industries. TI is well-known for its innovation in analog and embedded processing products, focusing on developing solutions that shape the future of electronics. The company serves numerous industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems.

Application

The TCA9802DGKR is a dual-channel bidirectional buffer designed primarily for I²C bus applications. Key application areas include:
1. Consumer Electronics: Used in devices like televisions and gaming consoles to manage data communication between processors and peripherals.
2. Industrial Control: Facilitates communication in automated systems, such as robotics and process control equipment.
3. Automotive Systems: Supports in-vehicle networks by enabling reliable I²C communication for infotainment, navigation, and control systems.
4. Communication Equipment: Used in networking devices for data transfer between processors and peripheral components.
5. Computing: Assists in interfacing various components on motherboards and expansion cards.
These applications leverage the TCA9802DGKR's ability to maintain signal integrity and ensure robust communication across the I²C bus.

Package

The TCA9802DGKR is an I2C bus buffer from Texas Instruments, and it comes in an 8-pin VSSOP (DGK) package. This package type is compact, making it suitable for space-constrained applications.

Produkte, die mit TCA9802DGKR zusammenhängen