Maxim Integrated's MAX20419ATGB/V+T Automotive Step-Down Converter

The MAX20419ATGB/V+T from Maxim Integrated is a high-performance, automotive-grade step-down converter designed to meet the rigorous standards of the automotive industry. This advanced power management integrated circuit (PMIC) is ideal for applications requiring a reliable and efficient power supply solution in a compact form factor.

The device is capable of delivering up to 3.5A of continuous current with excellent load and line regulation across a wide input voltage range from 3.5V to 36V, making it suitable for handling the variable electrical environments found in automotive applications. Its high efficiency and low quiescent current ensure minimal power loss and extended battery life, which is critical for modern vehicles' electrical systems.

Featuring a fixed 2.1MHz switching frequency, the MAX20419ATGB/V+T minimizes the size of external components, allowing for a smaller overall footprint on the PCB. This high-frequency operation also enables the use of small, low-profile inductors and capacitors, reducing the solution size and cost. In addition, the device incorporates a spread-spectrum modulation scheme that helps to reduce EMI emissions, a key consideration in the design of automotive electronics.

The MAX20419ATGB/V+T is equipped with a range of protective features to ensure the safety and reliability of the end application. These include cycle-by-cycle current limit, thermal shutdown, and input undervoltage lockout. The device is also fully AEC-Q100 qualified, ensuring that it meets the stringent reliability standards required for automotive applications.

Available in a compact TQFN package, the MAX20419ATGB/V+T is designed for easy integration into a variety of automotive systems, such as infotainment, advanced driver-assistance systems (ADAS), and body electronics. Its robust design and comprehensive feature set make it an excellent choice for designers looking to create high-performance, space-constrained automotive power solutions.

With Maxim Integrated's commitment to quality and reliability, the MAX20419ATGB/V+T is a power supply solution that automotive engineers can trust for their critical applications.