PQ1U521M2ZPH

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

PQ1U521M2ZPH is one of the most popular and regularly used linear Voltage Regulators in PMIC, thanks to its high efficiency, reliable performance, and versatile application field. This article offers an overview of the device and its main features, application field, and working principle.

Device Overview

The PQ1U521M2ZPH is designed as a surface-mounted IC. It has two built-in voltage sensors, one with a 5V detection range and one with an 8V detection range, and an adjustable current source of up to 400mA. With both high and low side sensing, the device can regulate the voltage regardless of the input voltage range of 1.8V to 24V, and provides over-current protection at all ranges. Furthermore, the PQ1U521M2ZPH also features a low power consumption mode that can provide up to 55% efficiency.

Application Field

Given its performance and versatile features, the PQ1U521M2ZPH can be applied in a wide range of industries, such as consumer electronics, automotive, or industrial. Indeed, with its high efficiency, reliable performance, versatile application field, and adjustable current source, the device is perfect for industrial and consumer applications such as battery chargers, notebooks, TVs, smartphones, tablets, and more. In the automotive sector, it can be used for LED lighting, cruise control, electronic power steering, and other automotive systems.

Working Principle

At the heart of the PQ1U521M2ZPH is an output voltage regulator. This voltage regulator takes the input voltage from the device into account and then adjusts the output voltage and current to match the specifications of the application. This is done by regulating the switching frequency and duty cycle of the internal power switch. When the PQ1U521M2ZPH is powered up, the initial output current and voltage of the device will gradually increase. Once a predetermined voltage is achieved, the current is then regulated via the current source to maintain a constant output.

In addition to its voltage regulation, the PQ1U521M2ZPH also includes a built-in over-current protection feature. This ensures that the device will not be damaged due to an over-current situation. Furthermore, the device also uses an internal temperature sensing system to ensure that the internal temperatures are kept within safe levels during operation. The PQ1U521M2ZPH also has a low power consumption mode that ensures that the device is efficient in power saving operations.

Conclusion

The PQ1U521M2ZPH is a reliable and versatile voltage regulator with a wide range of applications. With its built-in temperature sensing system, over-current protection feature, adjustable current source, low power consumption mode, and high efficiency, the device is perfect for industrial and consumer applications. Its wide application range and reliable performance make it one of the most popular and regularly used Voltage Regulators in PMIC.

The specific data is subject to PDF, and the above content is for reference