Texas Instruments TPS54060 Synchronous Step-Down Converter – 60V Input, 0.5A Output in SOT-23 Package
Сайт TPS54060 from Texas Instruments is a wide-input voltage, low-dropout DC/DC step-down converter optimized for industrial, automotive, and distributed power systems. With an input range up to 60V and continuous output current of 0.5A, the TPS54060 is engineered to handle voltage fluctuations and transients commonly found in high-voltage industrial applications.
The compact SOT-23 package integrates a high-side 0.7Ω MOSFET and employs an internal loop compensation, which eliminates the need for external components and simplifies design. Its adjustable switching frequency up to 2.5 MHz allows designers to optimize size, efficiency, and electromagnetic interference (EMI) profile.
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Table: Key Electrical Parameters
| Параметр | Значение | Единица |
|---|---|---|
| Диапазон входного напряжения | 3.5 to 60 | V |
| Выходной ток | 0.5 | A |
| High-Side FET On-Resistance | 0.7 | Ω |
| Switching Frequency Range | 100k to 2500k | Hz |
| Shutdown Supply Current | 1.3 | μA |
| Диапазон рабочих температур | -40 to +150 | °C |
| Пакет | SOT-23-6 | – |
Advantages Compared to Conventional Step-Down Converters
- Wider Input Range: Operates reliably from 3.5V to 60V, covering both automotive cold crank and industrial surge conditions.
- Built-In Protection Features: Includes undervoltage lockout (UVLO), thermal shutdown, current limit, and frequency foldback protection, minimizing risk of component failure.
- Eco-mode™ Operation: Maximizes light-load efficiency without sacrificing output stability, particularly in portable or standby equipment.
- Synchronous Operation: Improves efficiency and reduces switching losses compared to asynchronous alternatives.
Table: Thermal and Performance Features
| Характеристика | Описание |
|---|---|
| Thermal Shutdown | Protects device when junction temperature exceeds safe limits |
| Overcurrent Protection | Limits peak current to prevent damage |
| UVLO | Prevents undervoltage operation and system instability |
| Eco-mode™ | Enhances light-load efficiency by reducing switching losses |
| Soft Start | Limits inrush current for smooth power-up |
Типовые применения
- Industrial Automation Control Systems
- Automotive Telematics and Power Supplies
- Distributed Power Systems with Wide Input Voltage
- Battery-Powered Systems and Backup Power
- Smart Meters and Remote Sensing Nodes
Texas Instruments Reliability and Quality
TI’s rigorous qualification and long-standing expertise in analog power management assure robust performance, high thermal tolerance, and long lifecycle reliability for the TPS54060. Supported by a rich ecosystem of reference designs and simulation tools, the TPS54060 speeds up time to market for engineers working in harsh environments.
Часто задаваемые вопросы (FAQ)
What is the maximum continuous output current supported by the TPS54060?
The TPS54060 supports up to 0.5A of continuous output current, which is ideal for low-power industrial and automotive subsystems.
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Can the TPS54060 be used for automotive systems?
Yes, the wide input voltage tolerance (up to 60V) makes it well-suited for automotive environments that experience voltage surges and cold crank scenarios.
How does the TPS54060 achieve light-load efficiency?
The Eco-mode™ feature allows the converter to skip switching cycles during low load, dramatically improving efficiency in standby and idle modes.
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Does the TPS54060 require external compensation components?
No, it features internal compensation, reducing design complexity and minimizing PCB footprint for compact designs.
What type of protection features does this device offer?
The TPS54060 includes multiple protection functions such as thermal shutdown, overcurrent protection, UVLO, and frequency foldback, enhancing its robustness.
