Overview
The TPS25221DBVR, manufactured by Texas Instruments, is a high-performance current switch integrated circuit (IC) designed for precise current regulation and management. This IC is widely used in applications requiring controlled power delivery, such as USB power switches and other power management systems. Its compact SOT-23-6 package and surface-mount design make it suitable for space-constrained applications. The TPS25221DBVR is particularly valued for its adjustable current limit, high accuracy, and robust performance across a wide temperature range, making it a reliable choice for industrial, automotive, and consumer electronics.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage | 2.5 - 5.5 | V | |
| Output Current | 2 | A | Continuous |
| Current Limit Range | 0.275 - 2.7 | A | Adjustable |
| Accuracy | ±6 | % | |
| Operating Temperature | -40 - 125 | °C | Junction Temperature |
| Package | SOT-23-6 | Surface Mount | |
| On-Resistance | 70 | mΩ | Typical |
| Enable | Active High | ||
| ESD Protection | 15 | kV | IEC 61000-4-2 |
| Certifications | UL 60950, UL 62368 |
Key Features
- Adjustable current limit with high accuracy (±6%).
- Wide input voltage range (2.5V to 5.5V) for versatile applications.
- Low on-resistance (70mΩ typical) for efficient power delivery.
- Active high enable pin for easy control.
- Robust ESD protection (15kV) ensures reliability in harsh environments.
- Compact SOT-23-6 package for space-constrained designs.
- Certified for safety standards (UL 60950, UL 62368).
Applications
The TPS25221DBVR is ideal for a variety of applications, including USB power switches, portable devices, and power management systems. Its ability to handle high current loads with precise control makes it suitable for industrial automation, automotive electronics, and consumer electronics. Additionally, its robust design and certifications ensure reliability in safety-critical applications.
Q & A
1. What is the input voltage range of the TPS25221DBVR?
The input voltage range is 2.5V to 5.5V.
2. What is the maximum continuous output current?
The maximum continuous output current is 2A.
3. How accurate is the current limit?
The current limit accuracy is ±6%.
4. What is the operating temperature range?
The operating temperature range is -40°C to 125°C (junction temperature).
5. What package does the TPS25221DBVR use?
It uses a SOT-23-6 surface-mount package.
6. Is the TPS25221DBVR ESD protected?
Yes, it offers 15kV ESD protection, compliant with IEC 61000-4-2.
7. What certifications does the TPS25221DBVR have?
It is certified for UL 60950 and UL 62368 safety standards.
8. Can the current limit be adjusted?
Yes, the current limit is adjustable from 0.275A to 2.7A.
9. What is the typical on-resistance?
The typical on-resistance is 70mΩ.
10. What is the enable pin logic?
The enable pin is active high.
