111-4095PBF

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PMIC - Gate Drivers

The 111-4095PBF is a gate driver from NXP Semiconductors, part of the PMIC (Power Management Integrated Circuit) product family. This product is designed for use in automotive, industrial, and consumer electronics applications. It is an integrated 6-channel gate driver for power MOSFETs and IGBTs, offering on-board low- and high-side gate drivers with integrated motor drive amplifiers and protection features.

Application Field

The 111-4095PBF is well-suited for advanced power switching designs in automotive, industrial and consumer electronics applications. It is mainly used for controlling MOSFETs and IGBTs in motor drive applications, as well in automotive traction and load actuation applications. Its integrated low- and high-side gate drivers provide the drive capability that is necessary for a reliable operation and long-term reliability of the switch.

This product is also suitable for a variety of other applications, including power converters, inverters and power amplifiers. It is designed for use in harsh environments as it is rated for temperatures up to -40°C to 125°C, making it suitable for automotive applications. It also offers integrated protection features, such as over-voltage and under-voltage lockouts, short-circuit, and overtemperature protection.

Working Principle

The 111-4095PBF is an integrated 6-channel gate driver with low- and high-side drivers and with integrated motor drive amplifiers and protective features. The low-side and high-side drivers are provided with two independent channels and are designed to drive both positive and negative MOSFETs and IGBTs in motor drive applications. The integrated motor drive amplifiers provide the necessary drive voltage and current to drive MOSFETs and IGBTs with higher efficiency.

The outputs of the low-side and high-side drivers are protected against over-voltage, under-voltage and short-circuit by an integrated protection circuit. The high-side driver also offers an overtemperature protection feature, which shuts down the high-side driver in case of an overtemperature condition. The shutdown output of the over-temperature protection feature is provided with an open-collector output.

The 111-4095PBF also offers an integrated level-shift circuit which is used to control the turn-on speed of the gate drivers. The user can set the turn-on speed of the gate drivers by adjusting the internal gain of the level-shift circuit. The level-shift circuit provides a signal to the gates of the MOSFETs and IGBTs that is used to ramp up the gate voltage to the desired value.

The integrated diagnostics feature offers a built-in Fault Output signal which indicates if the gate drivers are in a fault condition. This allows the user to quickly inspect the fault condition and take corrective actions.

Conclusion

In conclusion, the 111-4095PBF is a gate driver designed for use in automotive, industrial and consumer electronics applications. It is an integrated 6-channel gate driver with low- and high-side drivers and with integrated motor drive amplifiers and protective features. The integrated level-shift circuit and diagnostic features provide the user with the necessary control and protection features to ensure reliable power switching operations. Its built-in safety features provide added protection in harsh environments, making it suitable for automotive applications.

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