7Semi Bidirectional Voltage Level Translator Breakout TXB0104
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The 7Semi Bidirectional Voltage Level Translator Breakout TXB0104 (BO-10113) is a small and handy module that helps different electronic parts communicate safely when they use different voltage levels. It lets signals pass back and forth between devices running at lower voltages (like 3.3V) and higher voltages (like 5V) without damaging them. This makes it very useful when connecting sensors, modules, or microcontrollers that operate at different logic levels.
This breakout board uses the TXB0104 bidirectional level shifter chip, which automatically detects signal direction, so you don’t need to worry about wiring direction for most signals. It supports up to four data lines, making it ideal for I/O communication like digital signals, logic interfaces, and simple buses. Whether you’re working with Arduino, Raspberry Pi, ESP32, or other boards, this level translator simplifies your circuit and protects your components.
| IC Model | Texas Instruments TXB0104 |
|---|---|
| Function | 4-bit bidirectional voltage level translator |
| Number of Channels | 4 (A1–A4 ↔ B1–B4) |
| Voltage Range (A Side / VCCA) | 1.2 V to 3.6 V |
| Voltage Range (B Side / VCCB) | 1.65 V to 5.5 V |
| Bidirectional Support | Automatic direction sensing |
| Data Rate | Up to 24 Mbps (push-pull), up to 2 Mbps (open-drain) |
| Logic Compatibility | 1.2 V, 1.8 V, 2.5 V, 3.3 V, 5 V systems |
| Input/Output Type | 3-state I/O with internal pull-downs |
| Operating Temperature | –40°C to +85°C |
| Current Drive Capability | ±20 mA per channel (max) |
| Power Consumption | Ultra-low (≈5 µA typical) |
| Pin Header | Dual-row labeled headers for easy breadboard/PCB use |
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