Overview
The TPS54386PWPR is a synchronous step-down (buck) converter produced by Texas Instruments. Designed for high-efficiency power conversion, this IC is part of the TPS54386 series, which is widely used in various industrial and consumer applications. The TPS54386PWPR is specifically engineered to deliver up to 3A of continuous output current with an input voltage range of 4.5V to 28V. Its compact PowerPAD™ package and advanced features make it an ideal choice for space-constrained and power-sensitive designs. This product targets engineers and designers in industries such as telecommunications, automotive, and industrial automation, offering a reliable and efficient solution for DC-DC conversion.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 4.5 to 28 | V | |
| Output Voltage Range | 0.76 to 24 | V | |
| Output Current | 3 | A | Continuous |
| Switching Frequency | 100 to 1500 | kHz | Adjustable |
| Efficiency | Up to 95 | % | |
| Operating Temperature Range | -40 to 125 | °C | |
| Package | HTSSOP-14 | PowerPAD™ | |
| Protection Features | Overcurrent, Overtemperature, Undervoltage Lockout |
Key Features
- High-efficiency synchronous buck converter with up to 95% efficiency.
- Wide input voltage range (4.5V to 28V) for versatile applications.
- Adjustable switching frequency (100kHz to 1.5MHz) for optimized performance.
- Integrated overcurrent, overtemperature, and undervoltage lockout protection.
- Compact PowerPAD™ HTSSOP-14 package for space-constrained designs.
- Soft-start function to reduce inrush current during startup.
Applications
The TPS54386PWPR is widely used in various applications, including:
- Industrial Automation: Powering sensors, controllers, and actuators in harsh environments.
- Telecommunications: Providing efficient power conversion for networking equipment and base stations.
- Automotive Electronics: Supporting infotainment systems, ADAS, and other automotive modules.
- Consumer Electronics: Enabling compact and efficient power solutions for portable devices and home appliances.
Q & A
1. What is the maximum output current of the TPS54386PWPR?
The TPS54386PWPR can deliver up to 3A of continuous output current.
2. What is the input voltage range for this IC?
The input voltage range is 4.5V to 28V.
3. Can the switching frequency be adjusted?
Yes, the switching frequency is adjustable from 100kHz to 1.5MHz.
4. What protection features are included?
It includes overcurrent, overtemperature, and undervoltage lockout protection.
5. What package does the TPS54386PWPR use?
It uses a PowerPAD™ HTSSOP-14 package.
6. Is the TPS54386PWPR suitable for automotive applications?
Yes, it is suitable for automotive electronics such as infotainment systems and ADAS.
7. What is the efficiency of this converter?
The efficiency can reach up to 95%.
8. Does it have a soft-start function?
Yes, it includes a soft-start function to reduce inrush current during startup.
9. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
10. Where can I find detailed technical documentation?
Detailed documentation is available on the Texas Instruments official website.
