TXS4555RGTR

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TXS4555RGTR

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IC TRANSLTR BIDIRECTIONAL 16VQFN

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仕様

属性
Part Status Active
Translator Type Voltage Level
Channel Type Bidirectional
Number of Circuits 1
Channels per Circuit 1
Voltage - VCCA 1.65 V ~ 3.3 V
Voltage - VCCB 2.3 V ~ 5.5 V
Output Type Tri-State, Non-Inverted
Operating Temperature -40°C ~ 85°C (TA)
Features SIM Card Interface
Mounting Type Surface Mount
Package / Case 16-VFQFN Exposed Pad
Supplier Device Package 16-VQFN (3x3)
Base Product Number TXS4555

概要

Description

The TXS4555RGTR is a bidirectional level shifter from Texas Instruments designed to enable communication between devices operating at different voltage levels, typically between 1.2V to 5.5V. It facilitates seamless data transfer for applications such as interfacing low-voltage microcontrollers with higher voltage systems, making it ideal for mixed-voltage environments.
Key features include automatic signal direction sensing, low propagation delay, and low quiescent current, enhancing efficiency and performance in digital communication. The TXS4555RGTR supports multiple channels, allowing for simultaneous bidirectional communication across several data lines. Its compact form factor and ease of integration make it suitable for use in various applications, including mobile devices, IoT devices, and other consumer electronics.
Overall, the TXS4555RGTR is a versatile and efficient solution for voltage level shifting in complex electronic designs.

Equivalent

The TXS4555RGTR is a level-shifter chip primarily used for translating signals between different voltage levels. Equivalent products include the TXS0108E, TXB0108, and the BQ24195, which also provide voltage level shifting capabilities. Additionally, the PCA9306 and PCA9515 can serve similar functions in I2C applications. Always check the specific voltage and current requirements for compatibility.

Features

The TXS4555RGTR is a dual-supply, low-voltage level translator designed for translating signals between different voltage domains. Key features include:
1. Dual Supply Operation: It supports independent VCCA and VCCB supply voltages ranging from 1.1V to 3.6V, allowing flexibility in interfacing different logic families.
2. Bidirectional Translation: The device facilitates bidirectional signal translation, making it suitable for communication between devices operating at different voltage levels.
3. Wide Operating Temperature Range: It operates effectively across a temperature range of -40°C to +125°C, suitable for various environments.
4. Low Propagation Delay: The TXS4555 provides fast switching with low propagation delays, enhancing performance in high-speed applications.
5. Multiple Channels: It features multiple channels (up to 8) for simultaneous data translation, supporting complex designs.
6. Active Pull-Up Resistors: The internal pull-up resistors help maintain signal integrity, especially in open-drain configurations.
Overall, the TXS4555RGTR is ideal for applications requiring reliable voltage-level shifting in mixed-voltage systems.

Pinout

The TXS4555RGTR is a 20-pin integrated circuit designed for level shifting applications between different voltage systems. It features a bidirectional voltage level translator that supports both 3.3V and 5V logic levels.
The pin configuration includes:
- Pins 1-4, 10, 11: A ports (A1-A4 for data input/output, and two supply pins)
- Pins 5-9, 12-17: B ports (B1-B4 for data input/output, and two supply pins)
- Pin 18: GND (ground)
- Pin 19: VCCA (supply voltage for A side)
- Pin 20: VCCB (supply voltage for B side)
The TXS4555RGTR is particularly useful in interfacing devices that operate at different voltage levels, ensuring proper communication without damaging either side.

Manufacturer

The TXS4555RGTR is manufactured by Texas Instruments (TI), a global technology company based in Dallas, Texas. Founded in 1930, Texas Instruments is known for designing and producing semiconductors and various integrated circuits, which are essential components in a wide range of electronic devices. The company specializes in analog and embedded processing products, serving markets such as industrial, automotive, personal electronics, and communication equipment. Texas Instruments is recognized for its innovation and leadership in the semiconductor industry, providing solutions that enable advancements in technology across various applications.

Application

The TXS4555RGTR is a level shifter used for bidirectional voltage translation between different logic levels. Its application areas include interfacing between low-voltage microcontrollers and higher-voltage peripherals, such as sensors, displays, and communication devices. It is particularly useful in mixed-voltage systems, such as those found in IoT devices, automotive electronics, and consumer electronics, where compatibility between different voltage domains is essential. Additionally, it can be employed in applications involving I2C, SPI, and UART protocols to ensure reliable data transmission across varying voltage levels.

Package

The TXS4555RGTR is available in a 20-pin TSSOP (Thin Shrink Small Outline Package) package type. This compact package is designed for efficient space utilization in electronic circuits.