TPS40090QPWRQ1

The TPS40090QPWRQ1 is a high-performance, step-down (buck) voltage regulator from Texas Instruments, designed specifically for automotive applications. This device is part of the TPS40090 family, which is known for its efficiency and reliability in power management solutions.

Key Features:

1. Input Voltage Range: The TPS40090QPWRQ1 operates over a wide input voltage range, typically from 4.5V to 17V, making it suitable for various automotive power supply scenarios.

2. Output Voltage: The device can be configured to provide a regulated output voltage, which can be adjusted down to as low as 0.8V, allowing it to power a variety of loads, including microcontrollers, sensors, and other electronic components.

3. Output Current: It is capable of delivering up to 9A of continuous output current, making it suitable for high-power applications.

4. Efficiency: The TPS40090QPWRQ1 is designed for high efficiency, often exceeding 90% under typical operating conditions. This efficiency helps to minimize heat generation and improve overall system reliability.

5. Control Method: The device employs a voltage mode control scheme with a built-in compensation network, which simplifies the design process and enhances stability across a range of operating conditions.

6. Thermal Performance: It features thermal shutdown protection, which helps prevent damage due to overheating. The package is designed to dissipate heat effectively, ensuring reliable operation even under high load conditions.

7. Package Type: The TPS40090QPWRQ1 is housed in a QFN (Quad Flat No-lead) package, which provides a compact footprint and excellent thermal performance. The package dimensions are typically around 5mm x 5mm, making it suitable for space-constrained applications.

8. Automotive Qualification: As a part of the Q1 series, this device meets stringent automotive standards, ensuring it can withstand the harsh conditions often found in automotive environments, including temperature extremes and electrical noise.

9. Protection Features: In addition to thermal shutdown, the TPS40090QPWRQ1 includes features such as overcurrent protection and under-voltage lockout, enhancing the safety and reliability of the power supply.

10. Application Areas: This voltage regulator is ideal for use in automotive systems, including infotainment systems, advanced driver-assistance systems (ADAS), and other electronic control units (ECUs) that require stable and efficient power management.

Summary:

The TPS40090QPWRQ1 from Texas Instruments is a robust and efficient buck converter designed for automotive applications, offering a wide input voltage range, high output current capability, and a variety of protection features. Its compact QFN package and high efficiency make it an excellent choice for modern automotive power management solutions.