89CNQ150SMS2

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Diodes - Rectifiers - Arrays play an important role in modern electronic devices and systems. In particular, the 89CNQ150SMS2 is a full-bridge rectifier with superior performance and superior reliability. This paper will discuss its application field and working principle.

Application Field of 89CNQ150SMS2

The 89CNQ150SMS2 full bridge rectifier is a popular choice for many automotive and industrial applications. It is commonly used for high-current and voltage power supplies, rectifier protection, and energy control in a variety of electrical and electronic systems. In addition, it can be used for charging stations, electric vehicles, and induction heating systems.

The 89CNQ150SMS2 full bridge rectifier is also well suited for low-loss and low-inductance rectifiers for DC-DC converters and power supplies. Its built-in overcurrent protection and temperature protection makes it highly reliable and significantly reduces the risk of failure. The wide range of operating temperature and drive voltage also makes it ideal for many near-ambient temperature applications.

Working Principle of 89CNQ150SMS2

The 89CNQ150SMS2 full bridge rectifier is based on a four-leg structure. It consists of two main-power MOSFETs, two sensing MOSFETs, two anti-saturation MOSFETs, and two Zener diodes. The two MOSFETs of the main-power each have a source and drain connected to the source and drain of the other MOSFET. The two sensing MOSFETs each have one source and one gate connected in series with the main-power MOSFET sources. The two anti-saturation MOSFETs are connected in parallel and have their sources connected to the gate of the main-power MOSFETs. The two Zener diodes are connected from the gate of the sensing MOSFETs to the source of the anti-saturation MOSFETs.

The 89CNQ150SMS2 full bridge rectifier converts AC power to regulated DC power. When the AC input is connected to the main power MOSFETs, the two sensing MOSFETs are turned on, allowing current to flow through them. When the voltage at the gates of the main power MOSFETs becomes large enough, the anti-saturation MOSFETs and Zener diodes act like diodes and current is rectified to the DC side. This process continues until the power supply reaches its desired voltage or current level.

The 89CNQ150SMS2 full bridge rectifier has a number of features that make it an ideal choice for a wide range of applications. It is highly reliable and has a wide operating temperature range. It can also handle high current and voltage levels, making it well suited for many high-power applications. Its built-in overcurrent protection and temperature protection make it highly reliable and significantly reduce the likelihood of failure.

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