ZXLD381FHTA Integrated Circuits (ICs)

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The ZXLD381FHTA leads the way in PMIC - LED Drivers technology due to its superior performance and reliable operating parameters. The device is ideal for automotive and general lighting applications, as well as for industrial and medical applications where long-term light output is desired. The ZXLD381FHTA provides a comprehensive set of control, protection, and power supply bypass functions within a compact and robust package.

Designed to reduce system design complexity, the ZXLD381FHTA can provide output current up to 6A and supports multiple output topology and wide input voltage range. The device also features an integrated low quiescent current, high-side switch to provide efficient load control and a smart dimming control interface that supports a variety of dimming technologies, including PWM and analog input. The integration of a feedback system allows closed loop functionality, ensuring that the output current remains constant even in the presence of voltage variations. Furthermore, the ZXLD381FHTA can be configured in either continuous or discontinuous conduction mode, allowing flexible design optimization.

In terms of safety and protection implementation, the ZXLD381FHTA offers several protection functions to protect the device and system from faults or possible errors. Overvoltage protection in the input, as well as over-current and thermal protection on the output side, provide reliable protection against the harsh environment of most LED applications. In addition, an optional open-loop diagnostic system allows for continuous monitoring of the LED output current and verification of the system’s performance during operation. This diagnostic feature is particularly useful for applications where load current variation should be monitored and reported to the system.

Besides its security features, the ZXLD381FHTA also offers a number of efficiency and cost saving benefits that are particularly advantageous in automotive, industrial and medical applications. The device operates at high efficiency and can support input voltages ranging from 4.5V to 28V. In addition, the ZXLD381FHTA can be used in a variety of open-drain PWM dimming modes and features a wide input voltage range, eliminating the need for multiple power supplies and saving board space. Lastly, the device supports current-mode and voltage-mode LED dimming, allowing OEMs to design LED drivers for different LED types.

In conclusion, the ZXLD381FHTA is an ideal choice for applications requiring reliable operation and superior performance in tough environments. With its extensive set of control, protection and bypass functions, the device is well-suited for automotive, industrial and medical applications, as well as for general lighting applications. The device also offers significant cost and efficiency benefits, making it an ideal solution for the PMIC - LED Drivers market.

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