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TXB0104 4-Bit Bidirectional Voltage Level Translator Module | WCMCU-401

TXB0104 4-Bit Bidirectional Voltage Level Translator Module | WCMCU-401

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Short Product Description

Bridge the communication gap between your electronic components effortlessly. TheTXB0104 4-Bit Bidirectional Voltage Level Translatorsafely steps up or steps down logic levels (e.g., 1.8V to 3.3V) without the need for a direction control pin. Featuringautomatic direction sensingand high-speed data transfer, this compact WCMCU-401 module protects your microcontrollers while ensuring flawless data transmission across varying voltage systems.

Key Features

  • 4-Bit Bidirectional Translation: Simultaneously translates up to 4 data lines in both directions, perfect for multi-pin communication protocols.
  • Automatic Direction Sensing: Eliminates the need for a DIR (direction) control pin, freeing up microcontroller resources and simplifying your schematic.
  • High-Speed Data Transfer: Ensures rapid and reliable signal conversion without lagging or data loss during high-frequency operations.
  • Ultra-Compact Form Factor: At just 18.8mm x 16.5mm, the WCMCU-401 module saves premium space on your PCB or breadboard.
  • Broad Application Compatibility: Ideal for a wide range of electronic devices, bridging 1.8V, 3.3V, and other standard logic levels safely.

Full Product Description

Seamless Logic Level Conversion for Your Electronics Projects

When connecting sensors, displays, or microcontrollers that operate on different logic voltages, direct wiring can lead to damaged components or corrupted data. The TXB0104 Voltage Level Converter acts as a secure bridge, allowing varying voltage systems to communicate flawlessly. Whether you are interfacing a 1.8V system controller with a 3.3V sensor, this module ensures your signals are translated accurately and safely.

Automatic Direction Sensing Technology

Say goodbye to complex wiring and dedicated direction control pins. The standout feature of the TXB0104 WCMCU-401 is its automatic direction sensing capability. The module intelligently detects the direction of the data flow on its 4 bidirectional channels and adjusts automatically. This not only saves valuable GPIO pins on your microcontroller but also drastically simplifies your code and circuit design.

High-Speed Data Transfer in a Compact Footprint

Performance matters in integrated circuits. Designed for high-speed data transfer, this level shifter ensures that your system experiences zero bottlenecks during rapid communication protocols. Measuring just 18.8mm x 16.5mm, this ultra-compact module easily integrates into space-constrained enclosures or crowded breadboards, making it an essential tool for any modern electronic application.

Technical Specifications

Specification Details
Product Category Integrated Circuits
Sub-Category Voltage Level Converter / Level Shifter
Module Model WCMCU-401
Main Chip TXB0104
Channels 4-Bit (4 Channels)
Translation Type Bidirectional
Direction Control Automatic Direction Sensing
Dimensions 18.8 mm x 16.5 mm
Packaging Module (Includes un-soldered header pins)

Delivery Options

  • Local delivery within Hong Kong and in-store pickup.​
  • Free shipping for orders of HK$400 or above; HK$35 shipping fee for orders below HK$400.​
  • Shipped by SF Express, usually dispatched the same day for orders confirmed before 6:00 PM (Mon–Sat).​
  • Estimated delivery time: 1–3 business days after dispatch (Hong Kong).​
  • In-store pickup details (location and time) will be confirmed by email or phone message.​
  • Delivery times are estimates and may be affected by weather or unforeseen circumstances.​

FAQ Section

  • Do I need to assign a pin to control the data direction?No. The TXB0104 features automatic direction sensing, meaning it dynamically detects data flow direction without requiring a dedicated DIR pin from your microcontroller.
  • Does this module come with header pins?Yes, the module includes standard male header pins. They come un-soldered, allowing you to customize the installation (e.g., soldering wires directly or attaching the headers for breadboard use).
  • Can this be used to connect a 1.8V device to a 3.3V system?Absolutely. As shown in the schematic, the module is perfectly designed to bridge a 1.8V system controller (VccA) with a 3.3V system (VccB) safely and efficiently.

Target Users / Applications

  • Embedded Systems Engineers: For prototyping mixed-voltage ICs and microcontrollers.
  • Electronics Hobbyists & Makers: For safely connecting 3.3V sensors to 5V microcontrollers.
  • STEM Students: An essential learning tool for understanding logic levels and digital communication.
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