Texas Instruments

TPS72009QDRVRQ1  

Linear & Switching Voltage Regulators

TPS72009QDRVRQ1 Description

The TPS72009QDRVRQ1 is a high-performance linear regulator designed for automotive applications, manufactured by Texas Instruments. This device offers a fixed output voltage of 0.9V and can deliver up to 350mA of output current. It features a maximum input voltage of 4.5V and a dropout voltage of only 0.2V at 350mA, ensuring efficient operation even at low input-to-output voltage differentials. The regulator is designed with a quiescent current of 38 µA, making it suitable for low-power applications. It also includes an enable control feature and comprehensive protection mechanisms such as over-current, over-temperature, and under-voltage lockout (UVLO).

TPS72009QDRVRQ1 Features

• Output Type: Fixed at 0.9V, ensuring stable power supply for sensitive automotive electronics.
• Input Voltage Range: Up to 4.5V, providing flexibility in various automotive power environments.
• Output Current: Capable of delivering up to 350mA, sufficient for powering multiple low-power devices.
• Low Dropout Voltage: 0.2V at 350mA, enhancing efficiency and reducing power loss.
• Low Quiescent Current: 38 µA, which is crucial for maintaining battery life in automotive systems.
• Control Features: Enable pin allows for dynamic control of the regulator, enabling power-saving modes.
• Protection Features: Over-current, over-temperature, and under-voltage lockout (UVLO) protect the device and connected circuits from damage.
• Package Type: Tape & Reel (TR), suitable for surface mount applications, ensuring ease of integration into automotive PCBs.
• Compliance: RoHS3 compliant and REACH unaffected, ensuring environmental safety and regulatory compliance.
• Grade: Automotive grade, ensuring reliability and performance in harsh automotive environments.

TPS72009QDRVRQ1 Applications

The TPS72009QDRVRQ1 is ideal for a variety of automotive applications where a stable and efficient power supply is required. Its low dropout voltage and low quiescent current make it particularly suitable for applications that need to operate efficiently even when the input voltage is close to the output voltage. Specific use cases include:

• Infotainment Systems: Providing stable power to car radios, GPS units, and other in-car entertainment devices.
• Advanced Driver Assistance Systems (ADAS): Ensuring reliable power supply for critical safety features such as lane departure warning systems and adaptive cruise control.
• Battery Management Systems: Offering efficient power regulation for maintaining battery health and performance.
• ECU (Engine Control Unit): Delivering stable power to the ECU, ensuring accurate and reliable engine management.

Conclusion of TPS72009QDRVRQ1

The TPS72009QDRVRQ1 from Texas Instruments is a robust and efficient linear regulator designed specifically for automotive applications. Its fixed 0.9V output and ability to deliver up to 350mA make it suitable for a wide range of low-power automotive electronics. The low dropout voltage and low quiescent current ensure high efficiency and prolonged battery life, while the comprehensive protection features safeguard the device and connected circuits. With its automotive grade reliability and compliance with environmental regulations, the TPS72009QDRVRQ1 stands out as a reliable choice for modern automotive power management solutions.

TPS72009QDRVRQ1 Documents

Download datasheets and manufacturer documentation for TPS72009QDRVRQ1

Datasheets :

TPS720-Q1 Datasheet      

HTML Datasheet :

TPS720-Q1 Datasheet      

PCN Design/Specification :

TPS720-Q1 07/Nov/2016