Overview
The TPS65251EVM, produced by Texas Instruments, is an evaluation module designed to showcase the capabilities of the TPS65251-x series of integrated power management ICs. This module is targeted at engineers and designers working on power supply solutions for applications such as set-top boxes, Blu-ray DVD players, digital TVs, and automotive audio/video systems. The TPS65251EVM stands out for its ability to simplify the design process while offering high efficiency and flexibility in power management.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 4.5 to 18 | V | |
| Output Voltage Range | 0.8 to VIN - 1 | V | |
| Continuous Load Current | 3A (Buck 1), 2A (Buck 2 & 3) | A | |
| Maximum Current | 3.5A (Buck 1), 2.5A (Buck 2 & 3) | A | |
| Switching Frequency | 300kHz to 2.2MHz | Hz | Adjustable via external resistor |
| Package | VQFN | 40-pin, 6mm x 6mm |
Key Features
- Wide input voltage range for versatile applications.
- Integrated FETs for simplified design and reduced external component count.
- Adjustable switching frequency to optimize performance and efficiency.
- Dedicated enable pins for each buck channel for flexible control.
- Current mode control with simple compensation for stable operation.
Applications
The TPS65251EVM is ideal for a variety of applications, including set-top boxes, Blu-ray DVD players, digital TVs, and automotive audio/video systems. Its high efficiency and flexible design make it suitable for both consumer electronics and industrial applications where reliable power management is critical.
Q & A
What is the input voltage range of the TPS65251EVM?
The input voltage range is 4.5V to 18V.
What is the output voltage range?
The output voltage range is 0.8V to VIN - 1V.
What is the maximum current for Buck 1?
The maximum current for Buck 1 is 3.5A.
Can the switching frequency be adjusted?
Yes, the switching frequency can be adjusted from 300kHz to 2.2MHz using an external resistor.
What package does the TPS65251EVM use?
It uses a 40-pin VQFN package measuring 6mm x 6mm.
What are the typical applications of this module?
Typical applications include set-top boxes, Blu-ray DVD players, digital TVs, and automotive audio/video systems.
Does it have dedicated enable pins?
Yes, it has dedicated enable pins for each buck channel.
What is the continuous load current for Buck 2 and 3?
The continuous load current for Buck 2 and 3 is 2A.
Is the TPS65251EVM suitable for automotive applications?
Yes, it is suitable for automotive audio/video systems.
What control mode does it use?
It uses current mode control with simple compensation.
