Regolatore del convertitore buck di Texas Instruments TPS563201 in confezione SOT-23

High-Efficiency Step-Down Converter for Industrial Applications

Il TPS563201 is a high-performance, synchronous buck converter from Texas Instruments (TI), designed to deliver efficient power conversion in compact form factors. With a wide input voltage range and robust feature set, this DC-DC converter is ideal for industrial, telecom, and embedded systems requiring reliable power regulation. Built on TI’s advanced process technology, it ensures high efficiency, low standby current, and excellent thermal performance, making it a preferred choice for engineers and system designers.

Technical Overview of the TPS563201 Step-Down Converter

This 3A synchronous buck converter operates over a wide input voltage range of 4.5V to 17V and supports fixed output voltages as low as 0.765V. It integrates high-side and low-side MOSFETs, reducing external component count and simplifying PCB layout. The device uses an Advanced Eco-mode™ for light-load efficiency and features internal loop compensation, eliminating the need for external components.

Key Features and Benefits

• Wide Input Voltage Range: 4.5V to 17V
• Output Current: Up to 3A continuous
• Fixed Frequency Operation: 650kHz
• Low Shutdown Current: 1μA typical
• Integrated Power MOSFETs: Reduces BOM cost and board space
• Cycle-by-Cycle Current Limit: Enhances protection and reliability
• Thermal Shutdown Protection: Ensures safe operation under fault conditions

Technical Specifications

Parametro	Valore
Intervallo di tensione in ingresso	4.5V to 17V
Gamma di tensione di uscita	0.765V to VIN
Corrente di uscita	3A continuous
Frequenza di commutazione	650kHz (fixed)
Shutdown Current	1μA (typical)
Intervallo di temperatura operativa	-40°C to +125°C
Pacchetto	SOT-23 (6-pin)

Why Choose This Buck Converter Over Typical Alternatives?

Compared to conventional buck converters, this device offers several performance and design advantages. Its integrated MOSFETs reduce the need for external components, which simplifies design and lowers the bill of materials. The fixed 650kHz switching frequency allows for smaller inductors and capacitors, enabling compact designs. Additionally, the Advanced Eco-mode™ significantly improves light-load efficiency, making it ideal for applications with variable power demands.

Unlike many alternatives that require external compensation, this converter features internal loop compensation, which not only saves board space but also reduces design complexity. The low shutdown current of 1μA is particularly beneficial in battery-powered or energy-sensitive applications, where power conservation is critical.

Engineers and product developers consistently choose this solution for its reliability, efficiency, and ease of integration. Its robust protection features, including cycle-by-cycle current limiting and thermal shutdown, ensure long-term system stability and safety.

Typical Applications in Industrial and Embedded Systems

This high-efficiency buck converter is widely used in a variety of industrial and embedded applications, including:

• Industrial Automation Equipment
• Telecom Infrastructure
• Embedded Processors and FPGAs
• Elettronica di consumo
• Battery-Powered Devices
• Point-of-Load Power Supplies

Its compact SOT-23 package and minimal external component requirements make it ideal for space-constrained designs, while its wide input range supports a variety of power sources.

About Texas Instruments (TI)

Texas Instruments is a global leader in analog and embedded processing semiconductor solutions. With decades of innovation and a strong commitment to quality, TI provides reliable and high-performance components for industrial, automotive, and consumer markets. Their power management portfolio is trusted by engineers worldwide for its efficiency, integration, and robust protection features.

The TPS563201 is a testament to TI’s engineering excellence, offering a compact, efficient, and reliable solution for modern power management challenges.

Domande frequenti (FAQ)

1. What is the maximum output current supported by this device?

The device supports a continuous output current of up to 3A, making it suitable for powering processors, sensors, and other high-current loads in industrial and embedded systems.

2. Can this converter be used in battery-powered applications?

Yes, its low shutdown current of 1μA and high efficiency at light loads make it an excellent choice for battery-powered and energy-sensitive applications where power conservation is critical.

3. Does the device require external compensation components?

No, it features internal loop compensation, which simplifies the design process and reduces the number of external components required, saving both space and cost.

4. What protection features are integrated into the device?

The converter includes cycle-by-cycle current limiting and thermal shutdown protection, ensuring safe operation under fault conditions and enhancing system reliability.

5. What package is the device available in?

The device is offered in a compact 6-pin SOT-23 package, which is ideal for space-constrained applications and allows for easy integration into existing PCB layouts.

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