TPS7B8150DGNR,TI,5G communication in-vehicle system low noise regulator power management chip

ymn@deirchip.com

·December 27, 2024

·18 min read

TPS7B8150DGNR,TI,5G communication in-vehicle system low noise regulator power management chip

The TPS7B8150DGNR stands out as a low-noise, high-efficiency linear dropout (LDO) regulator tailored for modern power management needs. It operates with input voltages up to 40 V and delivers up to 150 mA of current, ensuring reliable performance in demanding environments. Its precise voltage regulation and fast transient response make it ideal for applications requiring stable power delivery. With ultra-low quiescent current, this chip supports energy-efficient designs, especially in battery-powered devices. Its versatility extends to automotive electronics, 5G communication systems, and industrial power management, where stability and efficiency are critical.

Key Takeaways

The TPS7B8150DGNR is a low-noise, high-efficiency LDO regulator, ideal for applications requiring stable power delivery, such as automotive and 5G systems.
With an ultra-low quiescent current of just 2.7 µA, this regulator enhances energy efficiency, making it perfect for battery-powered devices and IoT applications.
Its wide input voltage range of up to 40 V and fixed 5 V output ensure versatility across various applications, reducing the need for additional components.
The compact HVSSOP package design allows for easy integration into space-constrained environments, maintaining high thermal performance.
The enable feature provides precise control over power usage, optimizing energy consumption during idle periods and simplifying power sequencing in complex systems.
By minimizing noise interference and maintaining a high Power Supply Rejection Ratio (PSRR), the TPS7B8150DGNR enhances the stability of sensitive analog circuits.
This regulator is a cost-effective solution for modern power management needs, balancing performance and affordability across diverse applications.

Key Features of the TPS7B8150DGNR

Low Noise and High PSRR

The TPS7B8150DGNR ensures exceptional performance by maintaining low noise levels and a high Power Supply Rejection Ratio (PSRR). This feature is crucial for applications where signal integrity matters, such as RF receivers and transceivers. By minimizing noise interference, the chip enhances the stability of sensitive analog circuits. You can rely on this regulator to deliver clean and stable power, even in environments with fluctuating input voltages. Its ability to suppress power supply noise makes it an excellent choice for systems requiring precise voltage regulation.

Ultra-Low Quiescent Current

With a quiescent current as low as 2.7 µA at light loads, the TPS7B8150DGNR supports energy-efficient designs. This ultra-low current consumption helps extend battery life in portable and battery-powered devices. Whether you are designing for automotive systems or IoT devices, this feature ensures minimal power wastage during standby operation. The regulator’s efficiency makes it ideal for applications where conserving energy is a priority, such as high cell count battery systems or devices operating in remote locations.

Wide Input Voltage Range and Fixed Output Voltage

The TPS7B8150DGNR operates across a wide input voltage range, accommodating up to 40 V. This flexibility allows you to use it in various applications, including off-battery systems and industrial equipment. The regulator provides a fixed output voltage of 5 V with an accuracy of ±1.5%, ensuring consistent performance. Its 45-V transient tolerance adds robustness, protecting your design from voltage spikes caused by inductive kickbacks. This feature reduces the need for additional voltage suppression components, simplifying your circuit design.

Compact HVSSOP Package Design

The TPS7B8150DGNR features a compact 8-pin HVSSOP package, making it an excellent choice for designs where space is limited. This small form factor allows you to integrate the regulator into applications like power tools, motor drive modules, and battery packs without compromising on performance. The package design also ensures high thermal conductivity, which helps maintain optimal operating temperatures even under demanding conditions.

With its thermally enhanced structure, the HVSSOP package supports efficient heat dissipation. This feature reduces the risk of overheating, ensuring reliable operation over extended periods. Whether you are working on automotive systems or industrial equipment, this compact design simplifies your layout while delivering robust thermal performance. Its size and efficiency make it ideal for modern, space-constrained electronic systems.

Enable Feature for Power Control

The TPS7B8150DGNR includes an enable feature that gives you precise control over the regulator’s output power. This functionality allows you to turn the regulator on or off as needed, optimizing power usage in your design. By using this feature, you can reduce energy consumption during idle periods, which is especially beneficial for battery-powered devices.

This enable pin also simplifies power sequencing in complex systems. You can use it to ensure that specific components receive power in the correct order, preventing potential damage or instability. The flexibility offered by this feature makes the regulator suitable for a wide range of applications, from automotive electronics to IoT devices. With the enable function, you gain greater control over your power management strategy, enhancing both efficiency and reliability.

Advantages of the TPS7B8150DGNR in Power Management

Enhanced System Stability and Reliability

You can rely on the TPS7B8150DGNR to enhance the stability and reliability of your power management systems. Its precise voltage regulation ensures consistent performance, even in environments with fluctuating input voltages. This regulator minimizes noise interference, which is critical for sensitive analog circuits like RF receivers and transceivers. By maintaining a high Power Supply Rejection Ratio (PSRR), it protects your devices from power supply variations, ensuring uninterrupted operation.

The chip’s robust design also withstands voltage spikes, thanks to its 45-V transient tolerance. This feature reduces the risk of damage caused by sudden electrical surges, making it ideal for automotive and industrial applications. Whether you are designing for 5G communication systems or in-vehicle electronics, this regulator provides the reliability you need for long-term performance.

Energy Efficiency for Battery-Powered Devices

Energy efficiency plays a vital role in battery-powered devices, and the TPS7B8150DGNR excels in this area. Its ultra-low quiescent current, as low as 2.7 µA, minimizes power consumption during standby operation. This feature helps extend battery life, making it an excellent choice for portable devices and IoT applications.

You can use this regulator to optimize energy usage in systems where power conservation is a priority. For example, in remote monitoring devices or high cell count battery systems, this chip ensures efficient power management without compromising performance. Its ability to deliver stable output with minimal energy wastage makes it a valuable component for modern, energy-conscious designs.

Cost-Effective Power Management Solutions

The TPS7B8150DGNR offers a cost-effective solution for your power management needs. Its wide input voltage range and fixed output voltage reduce the need for additional components, simplifying your circuit design. This simplification not only lowers material costs but also saves time during the design and testing phases.

Its compact HVSSOP package further contributes to cost savings by enabling space-efficient layouts. You can integrate this regulator into space-constrained applications without sacrificing performance. Additionally, its high thermal conductivity reduces the need for external cooling solutions, cutting down on overall system costs. Whether you are working on automotive systems, industrial equipment, or consumer electronics, this chip provides a budget-friendly option without compromising quality or reliability.

Applications of the TPS7B8150DGNR

5G Communication Systems

The TPS7B8150DGNR plays a vital role in powering 5G communication systems. You can rely on its low noise and high Power Supply Rejection Ratio (PSRR) to maintain signal integrity in RF receivers, transmitters, and transceivers. These systems demand stable and clean power to ensure seamless data transmission. The regulator’s precise voltage regulation and fast transient response make it an excellent choice for supporting the high-speed and low-latency requirements of 5G networks. Its compact HVSSOP package also allows you to integrate it into space-constrained designs, such as small cell base stations or portable 5G devices. By using this chip, you can enhance the performance and reliability of your 5G communication infrastructure.

Automotive Electronics and In-Vehicle Systems

In automotive applications, the TPS7B8150DGNR excels in providing stable power for in-vehicle systems. Modern vehicles rely on advanced electronics, including infotainment systems, sensors, and autonomous driving modules. This regulator ensures consistent performance by delivering precise voltage regulation, even in environments with fluctuating input voltages. Its wide input voltage range, up to 40 V, makes it suitable for off-battery applications and protects against voltage spikes caused by inductive loads. You can use its ultra-low quiescent current to optimize energy efficiency, which is crucial for battery-powered systems in electric and hybrid vehicles. The enable feature further enhances power control, allowing you to manage energy usage effectively in complex automotive designs.

Industrial Power Management

The TPS7B8150DGNR is a reliable solution for industrial power management. You can use it to power sensitive analog circuits, such as sensors and control modules, where stability and noise suppression are critical. Its robust design, including a 45-V transient tolerance, ensures durability in harsh industrial environments. The regulator’s fixed 5 V output with ±1.5% accuracy simplifies your circuit design while maintaining consistent performance. Its compact size and high thermal conductivity make it ideal for space-constrained applications like motor drives, factory automation systems, and industrial IoT devices. By integrating this chip, you can achieve efficient and cost-effective power management in your industrial projects.

Medical Device Power Supplies

The TPS7B8150DGNR ensures reliable power delivery for medical devices, where precision and stability are critical. You can depend on its low noise and high Power Supply Rejection Ratio (PSRR) to maintain the integrity of sensitive analog circuits in medical equipment. Devices like patient monitors, portable diagnostic tools, and infusion pumps require consistent voltage regulation to function accurately. This regulator’s fixed 5 V output with ±1.5% accuracy guarantees dependable performance in these applications.

Its ultra-low quiescent current minimizes energy consumption, making it ideal for battery-powered medical devices. You can extend the operational life of portable equipment by integrating this chip into your design. The compact HVSSOP package also allows you to save space, which is essential for handheld or wearable medical devices. Additionally, the wide input voltage range and 45-V transient tolerance protect your equipment from voltage fluctuations, ensuring uninterrupted operation in critical scenarios.

By using the TPS7B8150DGNR, you enhance the reliability and efficiency of medical devices. Its robust design supports long-term performance, even in demanding environments. This makes it a valuable component for modern healthcare technologies.

Consumer Electronics and IoT Devices

The TPS7B8150DGNR plays a key role in powering consumer electronics and IoT devices. You can rely on its precise voltage regulation to support gadgets like smart home devices, wearables, and portable electronics. These devices demand stable power to ensure smooth operation and user satisfaction. The regulator’s low noise and high PSRR help maintain signal quality, which is crucial for audio equipment, cameras, and other sensitive electronics.

Its ultra-low quiescent current makes it perfect for IoT devices that operate on batteries. You can optimize energy efficiency in smart sensors, remote monitoring systems, and other connected devices by incorporating this regulator. The enable feature provides additional control, allowing you to manage power usage effectively in your designs.

The compact HVSSOP package simplifies integration into space-constrained applications. Whether you are designing for compact consumer gadgets or IoT modules, this regulator fits seamlessly into your layout. Its wide input voltage range and transient tolerance add durability, protecting your devices from power surges and fluctuations.

By choosing the TPS7B8150DGNR, you ensure efficient and reliable power management for your consumer electronics and IoT projects. This chip supports innovative designs while maintaining energy efficiency and performance.

Design Considerations for Integrating the TPS7B8150DGNR

PCB Layout and Noise Minimization

You must carefully design the PCB layout to maximize the performance of the TPS7B8150DGNR. Place the input and output capacitors as close as possible to the regulator pins. This reduces parasitic inductance and ensures stable operation. Use wide and short traces for the power lines to minimize resistance and voltage drops.

To reduce noise, implement a solid ground plane beneath the regulator. This provides a low-impedance path for return currents and minimizes electromagnetic interference (EMI). Avoid routing high-frequency or noisy signals near the regulator to prevent coupling noise into the power supply. You can also use decoupling capacitors to filter out high-frequency noise, ensuring clean power delivery to sensitive components.

Thermal Management Best Practices

Thermal management plays a critical role in maintaining the reliability of the TPS7B8150DGNR. The compact HVSSOP package includes a thermal pad that enhances heat dissipation. You should connect this pad to a large copper area on the PCB to improve thermal conductivity. Adding thermal vias beneath the pad helps transfer heat to other PCB layers, further enhancing cooling.

Monitor the operating temperature of the regulator during testing. If the temperature exceeds safe limits, consider adding heat sinks or increasing airflow around the device. Proper thermal management ensures consistent performance and extends the lifespan of your design.

Voltage and Current Compatibility

Verify the voltage and current requirements of your application before integrating the TPS7B8150DGNR. The regulator supports input voltages up to 40 V and delivers a fixed 5 V output with ±1.5% accuracy. Ensure that the input voltage remains within the specified range to avoid damaging the device.

Check the load current requirements of your system. The regulator can supply up to 150 mA, which is suitable for low-power applications. If your design requires higher currents, consider using additional regulators or power distribution methods. Matching the voltage and current specifications ensures optimal performance and prevents system instability.

Practical Insights for Engineers

Selecting the Right LDO Regulator

Choosing the right LDO regulator is essential for achieving optimal performance in your design. You should start by evaluating the voltage and current requirements of your application. The TPS7B8150DGNR supports a fixed 5 V output with ±1.5% accuracy and delivers up to 150 mA of current, making it suitable for low-power systems. If your design demands higher currents or different output voltages, consider alternatives like the TPS7B8133QDGNRQ1, which offers a 3.3 V output, or the TPS7B8233QDGNRQ1, which provides additional flexibility.

Assess the input voltage range of your system. The TPS7B8150DGNR accommodates up to 40 V, making it ideal for off-battery applications and environments with fluctuating input voltages. For automotive designs requiring AEC-Q100 qualification, you might explore the TPS7B8150QDGNRQ1, which shares similar features but meets automotive-grade standards.

Noise sensitivity is another critical factor. The TPS7B8150DGNR excels in maintaining low noise and high PSRR, ensuring stable power for sensitive analog circuits. If your application involves RF receivers or medical devices, this regulator is a reliable choice. Always match the regulator’s specifications to your system’s needs to ensure compatibility and efficiency.

Testing and Validation Techniques

Testing and validation are crucial steps in integrating the TPS7B8150DGNR into your design. Begin by verifying the input and output voltage levels. Use a multimeter to confirm that the regulator delivers a stable 5 V output under various load conditions. Check the quiescent current to ensure it aligns with the specified 2.7 µA at light loads.

Evaluate the transient response of the regulator. Apply sudden changes to the load and observe how quickly the output voltage stabilizes. The TPS7B8150DGNR offers fast transient response, which is vital for maintaining system stability during dynamic operations.

Noise testing is equally important. Use an oscilloscope to measure the output noise and ensure it remains within acceptable limits. For sensitive applications, such as RF systems, low noise is critical for maintaining signal integrity. Additionally, test the enable feature to confirm that it provides precise control over the regulator’s output power.

Thermal performance should also be validated. Monitor the operating temperature of the regulator under full load. Ensure that the thermal pad is properly connected to a copper area on the PCB for efficient heat dissipation. Address any overheating issues by improving thermal management practices.

Comparison with Similar LDO Regulators

When comparing the TPS7B8150DGNR with similar regulators, you’ll notice distinct advantages. For instance, the TPS7B8150QDGNRQ1 offers automotive-grade reliability with AEC-Q100 qualification, making it a better choice for in-vehicle systems. On the other hand, the TPS7B8133QDGNRQ1 provides a 3.3 V output, catering to applications requiring lower voltage levels.

The TPS7B8233QDGNRQ1 stands out for its enhanced flexibility and additional features, which may suit more complex designs. However, the TPS7B8150DGNR remains a cost-effective solution for general-purpose applications, offering a balance of performance and affordability.

“The TPS7B8150DGNR delivers a unique combination of low noise, high PSRR, and energy efficiency, making it a versatile choice for a wide range of applications.”

By understanding these differences, you can select the most suitable regulator for your specific needs. Whether you prioritize noise suppression, energy efficiency, or automotive-grade reliability, the TPS7B8150DGNR and its counterparts provide tailored solutions for modern power management challenges.

The TPS7B8150DGNR offers a combination of low noise, high efficiency, and compact design, making it a standout choice for modern power management. You can rely on its precise voltage regulation and fast transient response to ensure stable performance in critical applications. Its versatility shines in 5G communication systems, automotive electronics, and industrial power management. By integrating this regulator, you enhance system reliability and energy efficiency. This chip empowers engineers to create innovative, cost-effective solutions for today’s demanding electronic designs.

FAQ

What is the TPS7B8150DGNR, and what makes it unique?

The TPS7B8150DGNR is a low-dropout (LDO) voltage regulator designed for modern power management needs. It stands out due to its low noise, high Power Supply Rejection Ratio (PSRR), and ultra-low quiescent current. These features make it ideal for applications requiring stable and efficient power delivery, such as automotive electronics, 5G communication systems, and industrial equipment.

How does the TPS7B8150DGNR ensure system stability?

This regulator ensures system stability through precise voltage regulation and fast transient response. It maintains a fixed 5 V output with ±1.5% accuracy, even under fluctuating input voltages. Its high PSRR minimizes noise interference, which is critical for sensitive analog circuits like RF receivers and medical devices.

What are the key applications of the TPS7B8150DGNR?

You can use the TPS7B8150DGNR in various applications, including:

5G communication systems, such as RF receivers and transceivers.
Automotive electronics, including in-vehicle systems and autonomous driving modules.
Industrial power management for sensors, motor drives, and factory automation.
Medical devices like patient monitors and portable diagnostic tools.
Consumer electronics and IoT devices, such as wearables and smart home gadgets.

Why is the ultra-low quiescent current important?

The ultra-low quiescent current, as low as 2.7 µA, minimizes power consumption during standby operation. This feature extends battery life in portable and battery-powered devices. It is especially beneficial for IoT devices, remote monitoring systems, and high cell count battery applications.

How does the TPS7B8150DGNR handle voltage spikes?

The TPS7B8150DGNR includes a 45-V transient tolerance, which protects your design from voltage spikes caused by inductive loads or electrical surges. This feature enhances the durability and reliability of your system, especially in automotive and industrial environments.

What package design does the TPS7B8150DGNR use, and why is it beneficial?

This regulator comes in a compact 8-pin HVSSOP package. The small form factor allows easy integration into space-constrained designs, such as portable devices and motor drive modules. The package also features a thermally enhanced structure, which supports efficient heat dissipation and ensures reliable operation under demanding conditions.

How does the enable feature improve power management?

The enable feature gives you precise control over the regulator’s output power. You can turn the regulator on or off as needed, optimizing energy usage in your design. This functionality simplifies power sequencing in complex systems and reduces energy consumption during idle periods.

What should you consider when designing a PCB layout for the TPS7B8150DGNR?

When designing a PCB layout, place input and output capacitors close to the regulator pins to reduce parasitic inductance. Use wide and short traces for power lines to minimize resistance. Implement a solid ground plane to reduce electromagnetic interference (EMI). Avoid routing noisy signals near the regulator to maintain clean power delivery.

Is the TPS7B8150DGNR suitable for automotive applications?

Yes, the TPS7B8150DGNR is highly suitable for automotive applications. Its wide input voltage range (up to 40 V) and 45-V transient tolerance make it ideal for off-battery systems. It delivers stable power for in-vehicle electronics, including infotainment systems, sensors, and autonomous driving modules.

How does the TPS7B8150DGNR compare to other LDO regulators?

The TPS7B8150DGNR offers a balance of low noise, high PSRR, and energy efficiency. It is a cost-effective solution for general-purpose applications. For automotive-grade reliability, you might consider the TPS7B8150QDGNRQ1. If your design requires a 3.3 V output, the TPS7B8133QDGNRQ1 is a suitable alternative. Each regulator provides tailored solutions based on specific design needs.