TXS0102DQER

Product Overview

• Category: Integrated Circuit
• Use: Level Shifter
• Characteristics: Bi-directional voltage level translator with automatic direction sensing
• Package: VSSOP (Very Small Outline Package)
• Essence: Provides bidirectional voltage translation between different logic levels
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• High-Level Input Voltage: 0.7 x VCC to VCC + 0.3V
• Low-Level Input Voltage: -0.3V to 0.3 x VCC
• High-Level Output Voltage: 0.7 x VCC to VCC + 0.3V
• Low-Level Output Voltage: -0.3V to 0.3 x VCC
• Maximum Data Rate: 100 Mbps
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TXS0102DQER has a total of 8 pins:

1. OE (Output Enable): Controls the output state of the device.
2. A1 (Channel A Input/Output): Bidirectional data channel A.
3. B1 (Channel B Input/Output): Bidirectional data channel B.
4. GND (Ground): Ground reference for the IC.
5. VCCA (Voltage Channel A): Power supply for channel A.
6. VCCB (Voltage Channel B): Power supply for channel B.
7. B2 (Channel B Input/Output): Bidirectional data channel B.
8. A2 (Channel A Input/Output): Bidirectional data channel A.

Functional Features

• Automatic Direction Sensing: The TXS0102DQER can automatically detect the direction of data flow and adjust the voltage translation accordingly.
• Bi-directional Voltage Translation: It allows bidirectional communication between devices operating at different logic levels.
• Wide Supply Voltage Range: The IC can operate with a supply voltage ranging from 1.65V to 3.6V, making it compatible with various systems.
• High-Speed Data Transfer: With a maximum data rate of 100 Mbps, it enables fast and efficient data transmission.

Advantages and Disadvantages

Advantages: - Automatic direction sensing simplifies system design. - Bi-directional translation eliminates the need for separate level shifters. - Wide supply voltage range enhances compatibility. - High-speed data transfer supports fast communication.

Disadvantages: - Limited to 2 channels, may not be suitable for applications requiring more channels. - Not suitable for voltage translation beyond the specified range.

Working Principles

The TXS0102DQER utilizes a combination of MOSFETs and control circuitry to achieve bi-directional voltage translation. The automatic direction sensing feature detects the logic level of the input signals and adjusts the voltage translation accordingly. When the OE pin is low, the device is enabled, and the bidirectional data flow is allowed between channel A and channel B.

Detailed Application Field Plans

The TXS0102DQER is commonly used in various applications that require voltage level shifting between different logic levels. Some typical application fields include:

1. IoT (Internet of Things) Devices: Enables communication between devices operating at different voltage levels, such as sensors, microcontrollers, and wireless modules.
2. Consumer Electronics: Facilitates data exchange between components with varying logic levels, like smartphones, tablets, and gaming consoles.
3. Industrial Automation: Allows integration of devices operating at different voltage levels in industrial control systems, PLCs (Programmable Logic Controllers), and motor drives.
4. Automotive Electronics: Supports voltage level translation in automotive applications, including infotainment systems, ECU (Engine Control Unit), and sensor interfaces.

Detailed and Complete Alternative Models

1. TXS0102YZPR: Similar to TXS0102DQER, but available in a different package (TSSOP).
2. SN74LVC2T45DCTR: Dual-bit bi-directional voltage level translator with automatic direction sensing.
3. PCA9306DCUR: I2C-bus voltage level translator with bidirectional auto-direction sensing.

These alternative models offer similar functionality and can be considered as substitutes for the TXS0102DQER in various applications.

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