TPS60251RTWR - English Editing Encyclopedia Entry

Product Overview

Category

The TPS60251RTWR belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators category.

Use

This product is primarily used as a boost converter, which means it can efficiently step up input voltages to higher output voltages. It is commonly employed in various electronic devices where a stable and regulated power supply is required.

Characteristics

• Package: The TPS60251RTWR is available in a small 16-pin QFN package.
• Essence: This IC incorporates a high-frequency switching regulator that enables efficient voltage boosting.
• Packaging/Quantity: The TPS60251RTWR is typically sold in reels containing a specified quantity of units.

Specifications

The TPS60251RTWR boasts the following specifications:

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: Up to 28V
• Switching Frequency: Adjustable from 500kHz to 1.6MHz
• Maximum Output Current: 100mA
• Operating Temperature Range: -40°C to 85°C
• Efficiency: High efficiency, typically above 90%

Detailed Pin Configuration

The TPS60251RTWR features a 16-pin QFN package with the following pin configuration:

1. EN (Enable)
2. FB (Feedback)
3. GND (Ground)
4. SW (Switch)
5. VOUT (Output Voltage)
6. VIN (Input Voltage)
7. AGND (Analog Ground)
8. PGND (Power Ground)
9. NC (No Connection)
10. NC (No Connection)
11. NC (No Connection)
12. NC (No Connection)
13. NC (No Connection)
14. NC (No Connection)
15. NC (No Connection)
16. NC (No Connection)

Functional Features

The TPS60251RTWR offers several functional features, including:

• Wide Input Voltage Range: It can accept input voltages ranging from 2.7V to 5.5V, making it suitable for various power sources.
• Adjustable Output Voltage: The output voltage can be adjusted up to 28V, providing flexibility in different applications.
• High Efficiency: With an efficiency typically above 90%, this IC minimizes power losses and maximizes energy conversion.
• Programmable Switching Frequency: The switching frequency can be adjusted between 500kHz and 1.6MHz, allowing optimization for specific requirements.
• Enable Control: The EN pin enables or disables the regulator, providing a means to conserve power when not needed.

Advantages and Disadvantages

Advantages

• Efficient voltage boosting capability
• Wide input voltage range
• Adjustable output voltage
• High efficiency
• Programmable switching frequency
• Enable control for power conservation

Disadvantages

• Limited maximum output current (100mA)
• Requires external components for complete circuit implementation

Working Principles

The TPS60251RTWR operates based on the principle of a boost converter. It utilizes high-frequency switching to step up the input voltage to a higher output voltage level. This is achieved through the control of the internal power switches and inductors, which store and release energy to maintain a stable output voltage.

Detailed Application Field Plans

The TPS60251RTWR finds application in various electronic devices that require a regulated power supply with boosted voltage levels. Some potential application fields include:

1. Portable electronic devices (e.g., smartphones, tablets) where efficient power management is crucial.
2. Battery-powered systems that need to operate at higher voltages than the battery can provide.
3. LED lighting applications that require stable and regulated power for optimal performance.

Detailed and Complete Alternative Models

1. TPS61040RTWR: A similar boost converter IC with a higher maximum output current of 200mA.
2. TPS61220RTWR: Another boost converter IC with a lower input voltage range (1.8V to 5.5V) but higher efficiency.
3. TPS61305RTWR: A compact boost converter IC designed specifically for wearable devices, featuring low quiescent current and small package size.

(Note: The above alternative models are provided as examples and may not cover all available options in the market.)

In conclusion, the TPS60251RTWR is an integrated circuit belonging to the voltage regulators category. It serves as a boost converter, offering efficient voltage boosting capabilities. With its wide input voltage range, adjustable output voltage, and high efficiency, it finds application in various electronic devices. However, it has limitations in terms of maximum output current and requires external components for complete circuit implementation.