Overview
The TPS2551DBVTG4, manufactured by Texas Instruments, is a high-performance power distribution switch designed for applications requiring precise current limiting and robust protection features. This component is part of TI's extensive portfolio of power management solutions and is particularly suited for USB power distribution, portable devices, and other low-voltage systems. Its compact SOT-23-6 package and adjustable current limit make it an ideal choice for space-constrained designs. The TPS2551DBVTG4 targets engineers and designers in consumer electronics, industrial automation, and automotive sectors, offering reliability and efficiency in power management.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 2.5 to 6.5 | V | |
| Continuous Current | Up to 1.5 | A | |
| Current Limit Range | 75 mA to 1.7 | A | Adjustable via external resistor |
| On-Resistance (Rds(on)) | 85 | mΩ | |
| Operating Temperature | -40 to 125 | °C | |
| Package | SOT-23-6 | ||
| Enable Pin | Active High | ||
| Reverse Voltage Protection | Yes | ||
| Overcurrent Response Time | 2 | µs | Typical |
Key Features
- Adjustable current limit for precise power management.
- Low on-resistance (85 mΩ) minimizes power loss.
- Fast overcurrent response time (2 µs typical) ensures system protection.
- Reverse voltage protection safeguards connected devices.
- Compact SOT-23-6 package ideal for space-constrained applications.
- Wide operating temperature range (-40°C to 125°C) for robust performance in harsh environments.
Applications
The TPS2551DBVTG4 is widely used in USB power distribution systems, portable devices, and industrial automation. Its precise current limiting and protection features make it suitable for applications such as USB hubs, power banks, and battery-powered devices. In automotive electronics, it ensures reliable power management in infotainment systems and other low-voltage components. Additionally, its compact size and efficiency make it a preferred choice for consumer electronics like smartphones and tablets.
Q & A
1. What is the input voltage range of the TPS2551DBVTG4?
The input voltage range is 2.5V to 6.5V.
2. How is the current limit adjusted in this component?
The current limit is adjustable via an external resistor, ranging from 75 mA to 1.7A.
3. What is the typical overcurrent response time?
The typical overcurrent response time is 2 µs.
4. Does the TPS2551DBVTG4 support reverse voltage protection?
Yes, it includes reverse voltage protection.
5. What is the on-resistance (Rds(on)) of this component?
The on-resistance is 85 mΩ.
6. What package does the TPS2551DBVTG4 come in?
It comes in a compact SOT-23-6 package.
7. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
8. Is the enable pin active high or low?
The enable pin is active high.
9. Can this component be used in automotive applications?
Yes, it is suitable for automotive electronics due to its robust performance and wide temperature range.
10. What are the typical applications of the TPS2551DBVTG4?
Typical applications include USB power distribution, portable devices, and industrial automation.
