Overview
The TXB0108PWR from Texas Instruments is an 8-bit bidirectional voltage-level translator designed for multi-voltage digital system applications. This device facilitates communication between devices operating at different voltage levels, ensuring compatibility across diverse digital ecosystems. It supports voltage translation between the A port (1.2 V to 3.6 V) and the B port (1.65 V to 5.5 V), making it versatile for various digital systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 8 | |
| Voltage Range (A Port) | 1.2 V to 3.6 V | |
| Voltage Range (B Port) | 1.65 V to 5.5 V | |
| Operating Temperature Range | -40°C to 85°C | °C |
| Package Type | TSSOP (PW) | |
| Number of Pins | 20 | |
| Maximum Data Rate | 50 Mbps | Mbps |
| Low Power Consumption | 4 μA (max) | μA |
| ESD Protection (B Port) | ±15 kV (Human-Body Model) | kV |
Key Features
- Auto-Direction Sensing: Eliminates the need for direction control signals, simplifying design.
- VCC Isolation Feature: Puts all outputs in a high-impedance state if either VCC input is at GND, enhancing system safety during power-up or power-down scenarios.
- Low Power Consumption: Maximum of 4 μA, supporting energy-efficient designs.
- Partial-Power-Down Mode: Supports Ioff for partial-power-down applications, preventing damaging current backflow.
- Robust ESD Protection: Exceeds ±15 kV Human-Body Model on the B Port, ensuring reliability in harsh environments.
- Buffered Architecture with Edge-Rate Accelerators: Improves overall data rate by speeding up transition times.
Applications
The TXB0108PWR is suitable for a wide range of applications, including:
- Consumer Electronics: Enables communication between devices operating at different voltage levels in consumer electronics such as smartphones, tablets, and laptops.
- Industrial Control Systems: Provides reliable voltage-level translation in industrial control systems, ensuring compatibility and protection.
- Portable and Power-Sensitive Devices: Ideal for devices requiring low power consumption and robust ESD protection, such as wearable devices and IoT applications.
- Mixed-Signal and Multi-Voltage Systems: Facilitates seamless communication between components operating at different logic levels in mixed-signal and multi-voltage systems.
Q & A
- What is the primary function of the TXB0108PWR?
The primary function of the TXB0108PWR is to translate logic voltage levels between devices operating at different voltages, facilitating communication in multi-voltage digital systems.
- What are the voltage ranges supported by the A and B ports of the TXB0108PWR?
The A port supports voltages from 1.2 V to 3.6 V, while the B port supports voltages from 1.65 V to 5.5 V.
- What is the maximum data rate supported by the TXB0108PWR?
The maximum data rate supported by the TXB0108PWR is 50 Mbps.
- Does the TXB0108PWR require a direction control signal?
No, the TXB0108PWR features auto-direction sensing, eliminating the need for a direction control signal.
- What kind of ESD protection does the TXB0108PWR offer?
The TXB0108PWR offers robust ESD protection exceeding ±15 kV Human-Body Model on the B Port.
- How does the VCC isolation feature work in the TXB0108PWR?
The VCC isolation feature puts all outputs in a high-impedance state if either VCC input is at GND, enhancing system safety during power-up or power-down scenarios.
- What is the typical power consumption of the TXB0108PWR?
The typical power consumption of the TXB0108PWR is a maximum of 4 μA.
- Does the TXB0108PWR support partial-power-down mode operation?
- What is the operating temperature range of the TXB0108PWR?
- In what package is the TXB0108PWR available?
