Overview
The TPS54350PWPR is a high-efficiency synchronous step-down DC-DC converter manufactured by Texas Instruments. Designed for industrial and communication equipment, power management, and battery-powered applications, this converter offers a wide input voltage range and high efficiency. Its unique selling points include integrated high-side and low-side power MOSFET switches, which reduce external component count and system cost. The TPS54350PWPR is ideal for applications requiring compact, reliable, and efficient power conversion.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 4.5 to 28 | V | |
| Output Voltage Range | 0.76 to 5.5 | V | |
| Output Current | 3.5 | A | Max |
| Switching Frequency | Up to 2.5 | MHz | |
| Efficiency | Up to 95 | % | |
| Output Voltage Accuracy | ±2 | % | |
| Operating Temperature Range | -40 to 125 | °C | |
| Package | HTSSOP-20 |
Key Features
- Integrated high-side and low-side MOSFET switches for reduced external component count.
- Wide input voltage range (4.5V to 28V) for versatile applications.
- High efficiency (up to 95%) for energy-saving designs.
- Fixed-frequency PWM control for stable output performance.
- Built-in protection features including over-temperature, over-current, and short-circuit protection.
- Auto power-save mode for reduced power consumption under light load conditions.
- Programmable soft-start and soft-shutdown functions for enhanced system control.
Applications
The TPS54350PWPR is widely used in industrial automation, communication equipment, and battery-powered systems. Its high efficiency and compact design make it suitable for applications such as power supplies for embedded systems, portable devices, and IoT equipment. Additionally, its robust protection features ensure reliable operation in demanding environments.
Q & A
1. What is the input voltage range of the TPS54350PWPR?
The input voltage range is 4.5V to 28V.
2. What is the maximum output current it can handle?
It can handle a maximum output current of 3.5A.
3. What is the switching frequency of this converter?
The switching frequency can go up to 2.5MHz.
4. Does it have built-in protection features?
Yes, it includes over-temperature, over-current, and short-circuit protection.
5. What is the efficiency of the TPS54350PWPR?
It offers an efficiency of up to 95%.
6. What package does the TPS54350PWPR come in?
It comes in a 20-pin HTSSOP package.
7. Is it suitable for battery-powered applications?
Yes, its auto power-save mode makes it ideal for battery-powered systems.
8. What is the operating temperature range?
It operates within a temperature range of -40°C to 125°C.
9. Does it support soft-start functionality?
Yes, it includes programmable soft-start and soft-shutdown functions.
10. What are typical applications for this converter?
Typical applications include industrial automation, communication equipment, and portable devices.
