NCP1650DR2G

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Power Factor Correction (PFC) is an important technology in Power Management Integrated Circuits (PMICs). This technology helps optimize electrical systems by improving the current-to-voltage delivery and thus improving power efficiency. One of the popular integrated circuits for achieving power factor correction is the NCP1650DR2G.

The NCP1650DR2G is a bridge-less, continuous conduction mode (CCM) boost PFC controller. This controller works in a two-phase approach. In the first phase, it senses the voltage of the input power line and then adjusts the conduction of the power switch according to the sensed voltage. In the second phase, it control the on/off timing of the power switch to regulate the output power. This two-phase approach helps to actively correct the unintentional power factor degradation resulting from an irregular input power line.

The NCP1650DR2G has wide application fields. It can be used for AC-DC power supply of personal computers, PC peripherals, consumer electronics, and other industrial products. Such product categories include air conditioners, industrial lighting, server power supplies, refrigerators, and power inverters. Not only the active power factor correction technology, the NCP1650DR2G also features an advanced current control technology with a fast dynamic response. It provides high-efficiency ac-dc power conversion and high system reliability.

NCP1650DR2G also provides excellent protection when an over current situation occurs. An on-chip high-side over current protection circuit monitors the load current. Once the detected current exceeds a predetermined limit, the power switch will be disabled to protect the power system and connected components. Furthermore, there is an adjustable soft-start circuit to reduce the total inrush current. This reduces the stress on the input source and helps protect the system components.

The NCP1650DR2G is highly cost-effective. It is available in a small 8-pin SOIC package and provides a complete solution for low-cost power factor correction. The NCP1650DR2G also has excellent thermal performance and wide operating temperature range, making it perfect for applications where high power density and thermal performance are required.

In conclusion, the NCP1650DR2G is an excellent integrated circuit for achieving power factor correction. It offers excellent protection and high-efficiency ac-dc power conversion, making it suitable for a wide range of applications. The integrated circuit also comes in a small 8-pin SOIC package and provides excellent thermal performance, making it a cost-effective solution for power factor correction.

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