MBR30H80CTG

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Diodes are well-known electrical components; they are commonly used as rectifiers and motor speed controllers. The MBC30H80CTG is a rectifier array integrated circuit (IC) manufactured by ON Semiconductor. This particular device is a three-phase rectifier specifically designed for automotive alternator braking applications. It has three independent full-wave rectifier channels with respective positive, negative, and ground configuration.

MBR30H80CTG Application Field and Working Principle

The MBR30H80CTG is designed for automotive alternator braking applications, where it forms part of an electronic braking system. It is mounted on a flanged cooling plate and helps to control alternator speeds and limit reverse current flow in the motor. This rectifier array helps to improve circuit efficiency and reduce the physical size of wiring. It offers load line accuracy, overvoltage protection and current sensing. This rectifier can operate at varying speeds up to 200kV so that it can meet the needs of most automotive applications.

The device works by using an exchange of current and voltage in the various stages of the device. On the input side, it receives three power phases; these are connected to the Positive, Negative, and Ground connections. The input is then rectified using diodes and attached to a capacitor; the capacitor charges over time and stores the voltage for supply. The resulting voltage is then passed through an output stage, which is monitored by a feedback loop. This feedback loop is used to regulate the output stage, ensuring the output voltage is always within the set parameters.

The MBR30H80CTG is a field-tested and proven device. As it is designed for automotive applications, it is rated for up to 200kV. This is higher than the typical output voltage of most alternators and is why it is so well suited to this application. Other features of this device include an overheating protection circuit, overload protection and overtemperature shutoff.

The MBR30H80CTG is an effective, reliable and technologically advanced rectifier array providing an efficient control of motor operation even in the most demanding applications. Its features have made it the go-to device for many engineers working on automotive alternator braking systems.

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