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TPS51124RGET
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TPS51124RGET

Product Overview

Category

The TPS51124RGET belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators category.

Use

This IC is primarily used as a synchronous step-down controller for generating low-voltage power supplies in various electronic devices.

Characteristics

  • Synchronous rectification for improved efficiency.
  • Wide input voltage range.
  • Adjustable output voltage.
  • Overcurrent protection.
  • Thermal shutdown protection.
  • Small form factor.

Package

The TPS51124RGET is available in a small 24-pin QFN package, which ensures ease of integration into compact electronic designs.

Essence

The essence of the TPS51124RGET lies in its ability to efficiently regulate voltage levels, ensuring stable and reliable power supply to electronic components.

Packaging/Quantity

The TPS51124RGET is typically sold in reels containing 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Output Voltage Range: 0.6V to 5.5V
  • Maximum Output Current: 10A
  • Switching Frequency: 300kHz to 2.2MHz
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

  1. VIN: Input voltage pin.
  2. PGND: Power ground pin.
  3. BOOT: Bootstrap capacitor connection pin.
  4. LX: Switching node pin.
  5. VCC: Supply voltage pin.
  6. FB: Feedback voltage pin.
  7. SS/TR: Soft-start/tracking pin.
  8. EN: Enable pin.
  9. PGOOD: Power good indicator pin.
  10. COMP: Compensation pin.
  11. AGND: Analog ground pin.
  12. ISENSE+: Positive current sense pin.
  13. ISENSE-: Negative current sense pin.
  14. VSENSE+: Positive voltage sense pin.
  15. VSENSE-: Negative voltage sense pin.
  16. SS/TR: Soft-start/tracking pin.
  17. PGND: Power ground pin.
  18. LX: Switching node pin.
  19. BOOT: Bootstrap capacitor connection pin.
  20. VIN: Input voltage pin.
  21. AGND: Analog ground pin.
  22. FB: Feedback voltage pin.
  23. EN: Enable pin.
  24. PGOOD: Power good indicator pin.

Functional Features

  1. Synchronous Rectification: The TPS51124RGET utilizes synchronous rectification to improve overall efficiency by reducing power losses during the conversion process.

  2. Adjustable Output Voltage: The IC allows for easy adjustment of the output voltage, providing flexibility in meeting specific device requirements.

  3. Overcurrent Protection: The TPS51124RGET incorporates overcurrent protection, safeguarding the connected components from excessive current flow.

  4. Thermal Shutdown Protection: To prevent overheating, the IC includes a thermal shutdown feature that disables the device when the temperature exceeds a certain threshold.

Advantages and Disadvantages

Advantages

  • High efficiency due to synchronous rectification.
  • Wide input voltage range allows for versatile applications.
  • Adjustable output voltage provides flexibility.
  • Comprehensive protection features enhance reliability.
  • Compact form factor enables integration into space-constrained designs.

Disadvantages

  • Limited maximum output current compared to some other models.
  • Relatively higher cost compared to non-synchronous regulators.

Working Principles

The TPS51124RGET operates as a synchronous step-down controller. It regulates the output voltage by controlling the duty cycle of an internal power switch. This control is achieved through feedback mechanisms that continuously monitor the output voltage and adjust the switching frequency accordingly. By utilizing synchronous rectification, the IC minimizes power losses and maximizes efficiency.

Detailed Application Field Plans

The TPS51124RGET finds applications in various electronic devices, including but not limited to: - Laptops and notebooks - Desktop computers - Servers - Telecommunications equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  1. TPS51125RGET: Similar to the TPS51124RGET, this model offers a higher maximum output current of 15A.
  2. TPS51126RGET: This alternative provides a lower maximum output current of 8A but offers a wider input voltage range.
  3. TPS51127RGET: With a maximum output current of 12A, this model is suitable for applications requiring moderate power levels.

These alternative models can be considered based on specific requirements and design constraints.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van TPS51124RGET in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of TPS51124RGET in technical solutions:

  1. Q: What is TPS51124RGET? A: TPS51124RGET is a synchronous buck controller IC used for voltage regulation in various electronic devices.

  2. Q: What is the input voltage range supported by TPS51124RGET? A: TPS51124RGET supports an input voltage range from 4.5V to 28V.

  3. Q: What is the output voltage range that can be achieved using TPS51124RGET? A: The output voltage range achievable with TPS51124RGET is typically from 0.6V to 5.5V.

  4. Q: Can TPS51124RGET handle high current loads? A: Yes, TPS51124RGET is capable of handling high current loads up to several amps.

  5. Q: Is TPS51124RGET suitable for battery-powered applications? A: Yes, TPS51124RGET is suitable for battery-powered applications as it has low quiescent current and supports low-voltage operation.

  6. Q: Does TPS51124RGET have built-in protection features? A: Yes, TPS51124RGET includes various protection features such as overvoltage protection, undervoltage lockout, and thermal shutdown.

  7. Q: Can TPS51124RGET be used in automotive applications? A: Yes, TPS51124RGET is designed to meet automotive requirements and can be used in automotive applications.

  8. Q: What is the switching frequency of TPS51124RGET? A: The switching frequency of TPS51124RGET is typically set at 500kHz, but it can be adjusted using external components.

  9. Q: Does TPS51124RGET require any external compensation components? A: Yes, TPS51124RGET requires external compensation components to stabilize the control loop and optimize performance.

  10. Q: What package options are available for TPS51124RGET? A: TPS51124RGET is available in a small footprint 20-pin QFN package, which is suitable for space-constrained applications.

Please note that these answers are general and may vary depending on the specific application and design considerations. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.