UCC27322P

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PMIC or Polymeric Multilayered Integrated Circuits are devices that electronically monitor and control the power supply in various types of applications. The UCC27322P is a dual N- and P-channel half-bridge gate driver, designed for use in high-power applications. It is designed to provide a robust and efficient interface between a microcontroller and external N- and P-channel MOSFETs. The UCC2732P can operate in a voltage range of 8 V to 30 V and delivers a maximum output current of 3 A per driver.

UCC27322P Application Field

The UCC27322P is primarily used to control power MOSFETs and IGBTs in industrial inverters, motor drives, automotive converters, residential power supplies and remote power control, DC/DC converters, AC/DC switch-mode converters and load switching applications. Its low operating temperature and wide voltage range make it an ideal choice for these applications.

UCC27322P Working Principle

The UCC27322P is a dual gate driver that can control two high-power N- and P-channel MOSFETs. It consists of a half-bridge scaffold in order to isolate the two outputs from each other. The scaffold is designed to provide backup to the two outputs when one of them fails, and to provide UVLO protection. The device is controlled by two high- and low-side inputs and is capable of sinking and sourcing up to 3 A.

When the high-side input is low and the low-side input is high, the gate driver sources a gate charge to the power MOSFETs and the gate voltage is pulled up, turning the power MOSFET on. When the high-side input is high and the low-side input is low, the gate driver sinks a gate charge to the power MOSFETs and the gate voltage is pulled down, turning the power MOSFET off. The UCC27322P also features an active clamp which prevents the gate voltages of the power MOSFETs from exceeding the VCC voltage, protecting the device from ESD and exceeding the maximum voltage.

Conclusion

The UCC27322P is a dual N- and P-channel half-bridge gate driver which can be used to control high-power MOSFETs and IGBTs in a wide range of applications. It features an active clamp, UVLO protection and a dual-output scaffold which provides a robust and efficient interface between a microcontroller and the MOSFETs. With its low operating temperature, wide voltage range and maximum output current of 3 A per driver, the UCC27322P is an ideal solution for industrial inverters, motor drives, automotive converters and remote power control.

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