UCC27611DRVT

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PMIC (Power Management Integrated Circuit) gate drivers are an integral part of a power management system, providing the switching path between the power source and its load. The UCC27611DRVT is a dual edge-rate MOSFET high-side and low-side gate driver with wide range supply voltage and ultra-low current ratings. It has a robust design capable of driving high-side and low-side N-channel power MOSFETs and IGBTs for applications the operate from a single-ended unregulated supply. With features like accurate current handling, overvoltage protection, overcurrent protection, and thermal shutdown protection, the UCC27611DRVT makes a great choice for controlling power usage or voltage levels in a range of motor drive, lighting, or industrial applications. Let\'s take a closer look at its applications and working principle.

UCC27611DRVT applications

The UCC27611DRVT is suitable for a wide range of industrial and motor drive applications, such as switches, actuators, light dimmers, motor controllers, appliance controllers, HVAC controllers, and mobile base station power amplifiers. It is especially useful in power conditioning and dc-to-dc voltage conversion where two boost switches, two Buck switches, and one low-side switched are used. It also finds use in solar power applications as it allows for high-efficiency switching of up to 600V, making it perfectly suitable for cost-efficient solar photovoltaic inverters.

UCC27611DRVT working principle

The UCC27611DRVT is an integrated power controller with an on-board driver circuit that allows for high current gate drive. It features a control input to select between low-side and high-side drivers. The device includes a precision current-sense circuit to accurately regulate the gate voltage and maintain high performance. The device also includes overvoltage protection and overcurrent protection, and monitors temperature to protect the system from overheating.

The device is characterized by its low quiescent current, high peak output current, and wide input voltage range. The optimization of the input and output driver allows for high-power operation down to 0.5V, while still maintaining durable control of the power supply switch. This makes it perfect for applications in low-voltage or mixed-voltage systems. The drive also features variable deadtime adjustment, allowing for system optimization.

The UCC27611DRVT combines robustness, low-risk operation, low parasitic capacitance and inductance, and low noise characteristics, making it suitable for use in high-precision power management systems. The low-side switch driver is designed to drive low-side power switches that demand high-frequency performance, while the high-side switch driver provides a robust and fast response when transitioning from one voltage state to another.

Conclusion

The UCC27611DRVT is a versatile dual edge-rate MOSFET high-side and low-side gate driver that has many uses in a range of motor drive and industrial applications. With wide range supply voltage and low current ratings, accurate current handling, overvoltage protection, overcurrent protection, and thermal shutdown protection, the UCC27611DRVT is an ideal choice for safely and efficiently controlling power usage or voltage levels. The low quiescent current, high peak output current and wide input voltage range also make this device well suited for use in a variety of low- and-mixed voltage systems.

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