Texas Instruments

TPS7A2133PQWDRBRQ1  

Linear & Switching Voltage Regulators

TPS7A2133PQWDRBRQ1 Description

The TPS7A2133PQWDRBRQ1 is an automotive-grade low-noise linear regulator designed for high-performance applications requiring a stable and efficient power supply. Manufactured by Texas Instruments, this regulator offers a fixed output voltage of 3.3V and can deliver up to 500mA of output current. It features a maximum input voltage of 6V and a dropout voltage of 0.25V at 500mA, ensuring efficient operation even at low input-to-output voltage differentials.

This regulator is designed with a quiescent current of only 15 µA, making it suitable for applications where low power consumption is critical. The TPS7A2133PQWDRBRQ1 boasts a high power supply rejection ratio (PSRR) of 91dB at 1kHz, which degrades gracefully to 50dB at 1MHz, ensuring minimal noise and ripple on the output voltage. This makes it ideal for sensitive analog circuits and high-fidelity audio applications.

TPS7A2133PQWDRBRQ1 Features

• Low Quiescent Current: With a quiescent current of just 15 µA, the TPS7A2133PQWDRBRQ1 is highly efficient, making it suitable for battery-powered and low-power automotive applications.
• High PSRR: The regulator offers a high PSRR of 91dB at 1kHz, which degrades gracefully to 50dB at 1MHz. This ensures minimal noise and ripple on the output voltage, making it ideal for sensitive analog circuits.
• Fixed Output Voltage: The regulator provides a fixed output voltage of 3.3V, simplifying design and ensuring consistent performance.
• Current Limit and Enable Features: The TPS7A2133PQWDRBRQ1 includes current limit and enable features, providing additional control and protection for the power supply.
• Soft Start: The soft start feature helps to reduce inrush current during startup, protecting the regulator and downstream components.
• Protection Features: The regulator includes over-current protection, over-temperature protection, and under-voltage lockout (UVLO) to ensure reliable operation under various conditions.
• Surface Mount, Wettable Flank: The regulator is designed for surface mount applications with a wettable flank package, ensuring robust mechanical and electrical connections.

TPS7A2133PQWDRBRQ1 Applications

The TPS7A2133PQWDRBRQ1 is well-suited for a variety of automotive applications where low noise and high efficiency are critical. Specific use cases include:

• Automotive Infotainment Systems: The low noise and high PSRR make it ideal for powering sensitive analog circuits in infotainment systems, ensuring high-fidelity audio performance.
• Advanced Driver Assistance Systems (ADAS): The regulator's high efficiency and low quiescent current are beneficial for ADAS applications, where power consumption and reliability are paramount.
• Battery Management Systems: The regulator's low dropout voltage and high PSRR make it suitable for battery management systems, where maintaining a stable voltage is crucial.
• Instrumentation and Control Systems: The TPS7A2133PQWDRBRQ1 can be used in various instrumentation and control systems within the automotive domain, providing a reliable and efficient power supply.

Conclusion of TPS7A2133PQWDRBRQ1

The TPS7A2133PQWDRBRQ1 from Texas Instruments is a high-performance automotive-grade linear regulator that offers a unique combination of low noise, high efficiency, and robust protection features. Its low quiescent current and high PSRR make it ideal for applications where power consumption and signal integrity are critical. The regulator's fixed output voltage and comprehensive protection features further enhance its reliability and ease of use. Whether powering sensitive analog circuits in infotainment systems or ensuring stable operation in ADAS applications, the TPS7A2133PQWDRBRQ1 stands out as a reliable and efficient power management solution.

TPS7A2133PQWDRBRQ1 Documents

Download datasheets and manufacturer documentation for TPS7A2133PQWDRBRQ1