TPS62170QDSGRQ1

The TPS62170QDSGRQ1 is a high-performance step-down (buck) DC-DC converter from Texas Instruments, designed for automotive applications. It is part of the TPS62170 family, which is known for its efficiency and compact design, making it suitable for a variety of power management needs in automotive systems.

Key Features:

1. Input Voltage Range: The TPS62170QDSGRQ1 operates with an input voltage range of 4.5V to 17V, making it versatile for different automotive power supply scenarios.

2. Output Voltage: The device can be configured to provide a fixed output voltage of 1.2V, 1.5V, or adjustable output voltage through external resistors, allowing for flexibility in design.

3. Output Current: It can deliver up to 3A of continuous output current, which is sufficient for powering various automotive loads, including microcontrollers, sensors, and other electronic components.

4. Efficiency: The converter boasts high efficiency, often exceeding 90%, which helps in reducing heat generation and improving overall system reliability. This is particularly important in automotive applications where thermal management is critical.

5. Switching Frequency: The TPS62170 operates at a fixed switching frequency of 1.2 MHz, which allows for the use of smaller external components, such as inductors and capacitors, contributing to a compact design.

6. Power Good Indicator: The device includes a power good (PG) output that signals when the output voltage is within the specified range, providing a simple way to monitor the health of the power supply.

7. Thermal Protection: It features thermal shutdown and current limit protection, ensuring safe operation under fault conditions.

8. Package: The TPS62170QDSGRQ1 is housed in a compact QFN (Quad Flat No-lead) package, which aids in space-saving designs and enhances thermal performance.

9. Automotive Grade: As part of the Q1 series, this device meets automotive standards, ensuring reliability and performance in harsh environments typical of automotive applications.

Applications:

The TPS62170QDSGRQ1 is suitable for a wide range of applications within the automotive sector, including:

• Powering microcontrollers and digital signal processors (DSPs)
• Automotive infotainment systems
• Advanced driver-assistance systems (ADAS)
• Battery management systems
• General-purpose power supplies for automotive electronics

Conclusion:

The TPS62170QDSGRQ1 from Texas Instruments is a robust and efficient DC-DC converter tailored for automotive applications. Its combination of high efficiency, compact size, and automotive-grade reliability makes it an excellent choice for designers looking to implement reliable power management solutions in their automotive systems.