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Diodes - Rectifiers - Arrays

The VS-VSKCS209/150 is a rectifier array chip. It is a three-phase silicon bridge rectifier designed for high performance, high temperatures, and high current applications. The chip is used in various applications such as in solar energy, aviation, and railway applications.

Design

The VS-VSKCS209/150 is made up of series-connected silicon diode cells arranged in a three-phase bridge rectifier. It consists of 3 N-channel MOSFETs, 3 PNP/PNP transistors, 3 NPN transistors and 3 P-channel MOSFETs. It has a maximum current rating of 150A and an operating temperature range of -40°C to +125°C. The chip is available in an 8-pin package and is RoHS compliant.

Features and Benefits

The VS-VSKCS209/150 has the following features and benefits:

• High reliability and low forward voltage drop
• High performance current capability
• High temperature operation
• Small physical size
• Cost effective
• High surge ratings for longevity
• High diode forward current capability

Applications

The VS-VSKCS209/150 rectifier is designed for use in high temperature, high current applications such as:

• Solar energy applications
• Aviation applications
• Railway applications
• Industrial control applications

Working Principle

The VS-VSKCS209/150 rectifier works by converting alternating current (AC) to direct current (DC). The chip consists of series connected silicon diode cells arranged in a three-phase bridge-rectifier package. The chip is capable of switching frequencies up to 1 MHz and is capable of operating at high ambient temperatures up to +125°C.

The three-phase bridge rectifier consists of three sets of series-connected diode cells, each set connected to a separate phase on the AC power source. The MOSFETs and transistors switch at high frequency, allowing a very low reverse recovery time, which is beneficial for high frequency conversion. The three sets of diodes conduct current for one-half cycle each, converting the AC power source to DC.

Conclusion

The VS-VSKCS209/150 rectifier array chip is designed for high temperature, high current applications. It is capable of operating up to 125°C with a maximum current rating of 150A. It has a low forward voltage drop and is designed to switch frequencies up to 1 MHz. It is especially suitable for aviation and solar energy applications.

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