Discover the TPS54821RHLR Integrated Circuit for Efficient Power
The TPS54821RHLR integrated circuit plays a crucial role in efficient power management. This device, manufactured by Texas Instruments, enhances the performance of various electronic applications. It provides reliable power solutions, which are essential for modern devices. Engineers and designers increasingly rely on the TPS54821RHLR to optimize energy efficiency and ensure stable operation in their projects.
Key Takeaways
The TPS54821RHLR is a powerful integrated circuit that improves power management with high efficiency up to 95%.
It offers flexible design options with adjustable voltage and switching frequency, fitting many applications from industrial to consumer electronics.
Built-in protection features like thermal shutdown and current limiting keep devices safe and reliable in tough conditions.
Its compact size helps save space on circuit boards, making it ideal for small and complex electronic designs.
Engineers benefit from cost savings and easier design thanks to its integration of multiple functions in one chip.
TPS54821RHLR Overview
The TPS54821RHLR integrated circuit stands out in the realm of power management. Manufactured by Texas Instruments, this device offers a range of features that enhance its performance in various applications.
Key Features
The TPS54821RHLR boasts several key features that make it a preferred choice for engineers:
Integrated high-side and low-side MOSFETs with resistances of 26 mΩ and 19 mΩ, respectively.
Adjustable switching frequency ranging from 200 kHz to 1.6 MHz, allowing for synchronization with external clocks.
A precise voltage reference of 0.6 V ±1% that remains stable over temperature variations.
Low shutdown quiescent current of just 2 µA, which helps conserve energy.
Monotonic start-up capability into pre-biased outputs, ensuring safe operation.
Adjustable slow start and power sequencing features for better control.
Power good output for monitoring undervoltage and overvoltage conditions.
Hiccup current limiting for overcurrent protection, enhancing reliability.
Thermal shutdown with automatic recovery to prevent overheating.
Compact 3.5 mm x 3.5 mm QFN package, ideal for space-constrained designs.
Operating temperature range from -40°C to 125°C, suitable for harsh environments.
Technical Specs
The technical specifications of the TPS54821RHLR further highlight its capabilities. The following table summarizes these important parameters:
Specification | Value |
|---|---|
Input Voltage Range (Vin) | |
Output Voltage Range (Vout) | 0.6 V to 15 V |
Maximum Output Current (Iout) | 8 A |
Efficiency | |
Switching Frequency Range | 200 kHz to 1.6 MHz |
Operating Temperature Range | -40°C to 125°C |
Features | Enable, Forced PWM, Frequency synchronization, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, Tracking |
Control Mode | Current mode |
Duty Cycle (max) | 100% |
Type | Synchronous Buck Converter |
These specifications demonstrate the TPS54821RHLR's versatility and efficiency, making it an excellent choice for modern power management solutions.
Benefits of TPS54821RHLR
The TPS54821RHLR integrated circuit offers numerous benefits that make it a valuable asset in power management.
Cost-Effectiveness and Reliability
Engineers appreciate the cost-effectiveness of the TPS54821RHLR. This integrated circuit reduces overall system costs by integrating multiple functions into a single package. By minimizing the need for external components, it simplifies the design process. This integration leads to lower manufacturing costs and shorter time-to-market for new products.
Reliability is another key advantage. The TPS54821RHLR features robust protection mechanisms, including thermal shutdown and hiccup current limiting. These features ensure that the device operates safely under various conditions. Engineers can trust this integrated circuit to deliver consistent performance over time, even in demanding environments.
Design Flexibility
The TPS54821RHLR provides exceptional design flexibility. Its adjustable output voltage and switching frequency allow engineers to tailor the device to specific application requirements. This adaptability makes it suitable for a wide range of uses, from industrial automation to consumer electronics.
Moreover, the compact QFN package of the TPS54821RHLR enables designers to save space on printed circuit boards (PCBs). This compactness is particularly beneficial in applications where size constraints are critical. The ability to fit high-performance power management into smaller designs enhances the overall efficiency of electronic systems.
Applications of TPS54821RHLR
The TPS54821RHLR integrated circuit finds extensive use across various industrial and electronic systems. Its versatility and efficiency make it suitable for numerous applications. Below are some typical applications where this integrated circuit excels:
Battery management systems for portable devices
DC-DC converters for automotive and aerospace applications
Point-of-load regulators for high-performance computing and networking systems
In addition to these general applications, the TPS54821RHLR serves specific use cases for DC-DC step-down regulation. These include:
Telecommunications equipment: The TPS54821RHLR ensures stable voltage regulation and enhances power efficiency.
Networking devices: It powers routers, switches, and similar hardware, providing reliable performance.
Industrial automation systems: The integrated circuit supports control systems and machinery, contributing to operational efficiency.
Computing hardware: It powers CPUs, GPUs, and memory in servers and desktops, ensuring optimal performance.
Consumer electronics: The TPS54821RHLR is utilized in set-top boxes and gaming consoles, delivering efficient power management.
Automotive systems: It plays a crucial role in power management for infotainment and advanced driver-assistance systems (ADAS).
The TPS54821RHLR operates effectively within a maximum output current of 8 A and an output voltage range from 0.6 V to 15 V. It accommodates input voltage ranges between 4.5 V and 17 V, making it ideal for various power management tasks. Additionally, the integrated circuit achieves a high power conversion efficiency of up to 95%, underscoring its capability for efficient power conversion across diverse applications.
Comparison with Other Solutions
When comparing the TPS54821RHLR with similar integrated circuits, several factors come into play. The TPS54821RHLR distinguishes itself through its robust features and design flexibility. Competitors like the NCV890201MWTXG offer alternative solutions, but they often lack the same level of performance and efficiency.
One notable difference lies in the package type and pin configuration. The TPS54821RHLR utilizes a 14-pin VFQFN (Very Thin Quad Flat No-Lead) package with an exposed pad, which enhances thermal performance. In contrast, the NCV890201MWTXG comes in a 10-pin VFDFN (Very Thin Dual Flat No-Lead) package. This difference in pin count can affect the integration process in various applications.
Here’s a comparison of the two devices:
Device | Package Type | Number of Pins | Mounting Type |
|---|---|---|---|
TPS54821RHLR | 14-pin VFQFN with exposed pad | 14 | Surface Mount |
NCV890201MWTXG | 10-pin VFDFN with exposed pad | 10 | Surface Mount |
The TPS54821RHLR also excels in efficiency, achieving up to 95% power conversion. This high efficiency reduces heat generation and improves overall system reliability. Additionally, the integrated circuit's adjustable switching frequency allows for synchronization with external clocks, providing further design flexibility.
Another advantage of the TPS54821RHLR is its comprehensive protection features, including thermal shutdown and hiccup current limiting. These features enhance reliability, making it a preferred choice for engineers seeking dependable power management solutions.
The TPS54821RHLR integrated circuit stands out as a reliable solution for efficient power management. Its ability to support an input voltage range from 4.5 V to 17 V makes it versatile for various applications. The inclusion of hiccup current limit protection enhances device reliability, safeguarding against faults. Additionally, its compact 14-VQFN package is ideal for space-constrained designs.
Engineers can benefit from extensive CAD resources available through Ultra Librarian, simplifying PCB integration. With ongoing support from Texas Instruments, the TPS54821RHLR remains a strong choice for new electronic designs.
Consider this integrated circuit for your next project to achieve optimal performance and efficiency.
FAQ
What is the TPS54821RHLR used for?
The TPS54821RHLR is primarily used for efficient power management in various electronic applications. It excels in DC-DC step-down regulation, making it suitable for industrial, automotive, and consumer electronics.
How does the TPS54821RHLR improve energy efficiency?
This integrated circuit achieves high efficiency, up to 95%, by utilizing synchronous rectification and adjustable switching frequency. These features minimize energy loss and heat generation, enhancing overall system performance.
What are the key protection features of the TPS54821RHLR?
The TPS54821RHLR includes several protection features, such as thermal shutdown, hiccup current limiting, and power good output. These mechanisms ensure safe operation and enhance reliability in demanding environments.
Can the TPS54821RHLR be used in harsh environments?
Yes, the TPS54821RHLR operates effectively within a temperature range of -40°C to 125°C. This wide operating range makes it suitable for applications in harsh industrial and automotive environments.
Where can I find design resources for the TPS54821RHLR?
Engineers can access extensive CAD resources through Ultra Librarian. These resources simplify PCB integration and support the design process for projects utilizing the TPS54821RHLR.
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