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TXB0302DQMR
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TXB0302DQMR

Product Overview

  • Category: Integrated Circuit
  • Use: Level Shifter
  • Characteristics: Bi-directional, voltage level translation
  • Package: QFN (Quad Flat No-Lead)
  • Essence: Translates logic levels between different voltage domains
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage: 1.2V to 3.6V
  • Logic Voltage Levels: 1.2V to 3.6V
  • Data Rate: Up to 100 Mbps
  • Number of Channels: 2
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TXB0302DQMR has a total of 20 pins. The pin configuration is as follows:

  1. VCCA - Supply voltage for side A
  2. GND - Ground
  3. OE - Output enable
  4. A1 - Channel A data input/output
  5. B1 - Channel B data input/output
  6. VCCB - Supply voltage for side B
  7. B2 - Channel B data input/output
  8. A2 - Channel A data input/output
  9. GND - Ground
  10. VCCA - Supply voltage for side A
  11. GND - Ground
  12. OE - Output enable
  13. A1 - Channel A data input/output
  14. B1 - Channel B data input/output
  15. VCCB - Supply voltage for side B
  16. B2 - Channel B data input/output
  17. A2 - Channel A data input/output
  18. GND - Ground
  19. VCCA - Supply voltage for side A
  20. GND - Ground

Functional Features

  • Bi-directional voltage level translation between two different voltage domains
  • Automatic direction sensing and control
  • Supports bidirectional data flow
  • Low power consumption
  • High-speed operation
  • ESD protection on all pins

Advantages

  • Simplifies interfacing between devices operating at different voltage levels
  • Eliminates the need for additional level shifting components
  • Provides automatic direction sensing, reducing complexity in system design
  • Supports high-speed data transmission
  • Offers ESD protection, enhancing reliability

Disadvantages

  • Limited to a maximum data rate of 100 Mbps
  • Restricted to voltage levels between 1.2V and 3.6V

Working Principles

The TXB0302DQMR is a level shifter that allows bidirectional voltage level translation between two different voltage domains. It utilizes a combination of MOSFETs and control logic to automatically sense the direction of data flow and adjust the voltage levels accordingly. The device operates by monitoring the input signals and adjusting the output levels to match the corresponding voltage domain.

Detailed Application Field Plans

The TXB0302DQMR can be used in various applications where there is a need to interface between devices operating at different voltage levels. Some potential application fields include:

  1. IoT (Internet of Things) devices
  2. Consumer electronics
  3. Industrial automation
  4. Automotive electronics
  5. Communication systems

Detailed and Complete Alternative Models

  1. SN74LVC2T45: Dual-Bit Dual-Supply Bus Transceiver
  2. PCA9306: Dual Bidirectional I2C-Bus and SMBus Voltage-Level Translator
  3. BSS138: N-Channel Logic Level Enhancement Mode Field Effect Transistor

These alternative models offer similar functionality and can be considered as alternatives to the TXB0302DQMR depending on specific requirements and constraints.

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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät TXB0302DQMR :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of TXB0302DQMR in technical solutions:

  1. Question: What is TXB0302DQMR?
    Answer: TXB0302DQMR is a bidirectional voltage-level translator integrated circuit (IC) commonly used for level shifting between different voltage domains.

  2. Question: What is the operating voltage range of TXB0302DQMR?
    Answer: The operating voltage range of TXB0302DQMR is typically between 1.2V and 3.6V.

  3. Question: Can TXB0302DQMR be used to translate between different voltage levels, such as 3.3V and 5V?
    Answer: Yes, TXB0302DQMR can be used to translate between different voltage levels, including 3.3V and 5V.

  4. Question: How many channels does TXB0302DQMR have?
    Answer: TXB0302DQMR has two bidirectional channels, allowing for simultaneous translation of signals in both directions.

  5. Question: What is the maximum data rate supported by TXB0302DQMR?
    Answer: TXB0302DQMR supports a maximum data rate of up to 100 Mbps.

  6. Question: Is TXB0302DQMR suitable for I2C communication?
    Answer: Yes, TXB0302DQMR is commonly used for level shifting in I2C communication due to its bidirectional capability and compatibility with different voltage levels.

  7. Question: Can TXB0302DQMR handle open-drain or open-collector signals?
    Answer: Yes, TXB0302DQMR can handle open-drain or open-collector signals, making it suitable for various communication protocols.

  8. Question: Does TXB0302DQMR require external pull-up resistors?
    Answer: Yes, external pull-up resistors are required for the proper operation of TXB0302DQMR when translating signals with open-drain outputs.

  9. Question: Can TXB0302DQMR be used in battery-powered applications?
    Answer: Yes, TXB0302DQMR's low power consumption and wide operating voltage range make it suitable for battery-powered applications.

  10. Question: Are there any specific layout considerations for using TXB0302DQMR?
    Answer: Yes, to ensure optimal performance, it is recommended to follow the layout guidelines provided in the datasheet of TXB0302DQMR, including proper decoupling and signal routing techniques.

Please note that the answers provided here are general and may vary depending on the specific application and requirements. It is always recommended to refer to the datasheet and consult the manufacturer for detailed information and support.