UCC3580D-2

Introduction

The UCC3580D-2 is an integrated circuit that contains multiple power management functions for markets such as mobile phones, laptops and servers. It provides a family of high power AC-DC and DC-DC converters, as well as multiple offline switching adapters. Combined with a range of optional features, the UCC3580D-2 can provide efficient, reliable and highly compatible power management solutions.

Application Fields

The UCC3580D-2 is most commonly used as a power management IC in mobile devices such as smartphones and tablets. Its integrated power converters and offline switcher make it an ideal choice for applications where energy efficiency, cost savings and reliable operation are important. It is also used in the power supplies of laptops, servers and other industrial equipment, as well as in automotive applications.

AC - DC Converters

The UCC3580D-2 integrates a series of AC-DC converters for rapid, reliable power conversion. These include an adjustable linear regulator and switching converter that can deliver up to 6 A output current. In addition, the integrated EMI filter reduces the noise generated by power conversion, preventing power supply disruption.

Offline Switchers

The UCC3580D-2 also integrates two offline switching converters with constant-current and short-circuit protection, low-power standby, adjustable switching frequency and low no-load current consumption. This allows for highly efficient and reliable power conversion. The device also features adjustable over-voltage and over-current protection, allowing reliable operation even in hostile environment.

Working Principle

The UCC3580D-2 power management IC works by using a combination of AC-DC and DC-DC converters to convert interchanging electricity sources between different voltages. Firstly, a switching transformer reduces the input voltage to a lower, more manageable level suitable for power conversion. The interchanging electricity sources then passes through the integrated regulation circuit, which applies a pulse-width modulation (PWM) to adjust the output voltage level. The switched pulses are then rectified and filtered to provide a clean, stable output voltage. Finally, the asynchronous rectified MOSFET transistors reduce the input voltage to a level suitable for efficient conversion to DC power.

Conclusion

The UCC3580D-2 is a highly integrated power management IC with a wide range of features, making it ideal for a variety of mobile, automotive and industrial applications. The integrated power converters and offline switchers make it an efficient and reliable choice, while the adjustable voltage and current protection features provide additional safety and reliability. As such, the UCC3580D-2 is a versatile and reliable solution for power conversion and management.