NCP5104PG

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The NCP5104PG is a high performance gate driver designed specifically for automotive applications. It is designed to drive MOSFETs and IGBTs in demanding automotive systems such as nominal 12V and 24V applications. The NCP5104PG provides an accurate linear current limit that allows the device to limit total power dissipation in short-circuit conditions while maintaining high-switching performance. Additionally, it has an integrated soft start that provides smooth turn-on during startup, and a programmable high-side dead time allows for optimization of parasitic turn-on in high current applications.

The NCP5104PG can be used in a wide range of automotive applications, such as DC-DC converters, microcontrollers, temperature sensors, programmable logic controllers, and other automotive control systems. It is also suitable for use in motor drives, battery management systems, and load switching systems, along with solar panel and power supply applications.

Working Principle

At the heart of the NCP5104PG is a configurable high-side and low-side drive pump that can be set for a variety of different current limit levels. The output stage employs NFET paralleled MOSFETs to increase output current capability and reduce losses.

When driving MOSFETs and IGBTs, the NCP5104PG has an adjustable slew rate control feature that allows the user to choose the best performance that fits their application. This function is programmable through the device\'s built-in register.

The NCP5104PG operates in both the over-current and under-voltage lock-out (UVLO) modes. The UVLO feature protects against current overloads and prevents damage to the device when under-voltage conditions occur.

The NCP5104PG has an integrated fault/status detect system that allows for intelligent reaction to any faults detected. This can be used to generate system alerts and notify the controlling microcontroller of any error conditions.

Features and Benefits

The NCP5104PG provides the following features and benefits:

• High efficiency operation with up to 90% efficiency • Configurable drive current up to 20A • Low power consumption • Programmable frequency up to 40 kHz • Programmable soft start • Over-current and under-voltage lock-out protection • Integrated fault/status detection • Protection of the high-side MOSFET • Supports 12V and 24V automotive systems

Conclusion

The NCP5104PG is a highly optimized gate driver designed to meet the demand of automotive applications. It has the ability to control both the high-side and low-side MOSFETs and IGBTs, providing enhanced and safe operation in demanding automotive systems. This device also offers a wide range of features, such as configurable current limit, programmable slew rate control, under-voltage protection, over-current protection, and integrated fault/status detect.

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