UCC27212DPRR

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Interested in knowing more about what the UCC27212DPRR can do? The UCC27212DPRR is one of the top performing gate drivers from Texas Instruments, boasting impressive features and performance specifications. In this article, we\'ll take a closer look at the UCC27212DPRR and explore its application field and working principle.

UCC27212DPRR Application Field

The UCC27212DPRR is primarily used as a gate driver for high side switches, in particular MOSFETs and IGBTs. It works by supplying a balanced gate drive with low ON resistance and low gate charge. This makes it suitable for high-speed switching applications, such as high-performance power factor correction (PFC) circuits.

In addition to its fast switching capabilities, the UCC27212DPRR also offers high immunity to noise and large output voltage swings thanks to its large operating voltage range. This enables it to interface with high-current transistors without the risk of misfires or false triggering. As a result, the UCC27212DPRR is ideal for driving power loads in harsh environments where noise immunity is paramount.

UCC27212DPRR Working Principle

The UCC27212DPRR is designed to interface the inputs and outputs of MOSFET and IGBT transistors operating at voltages from 4.5V to 16V. It accepts two input signals, the gate-voltage (Vgs) and the gate-source voltage (Vgs). Based on these two signals, the UCC27212DPRR produces two complementary control signals: the level shifted PWM signal and the drive disable (DD) signal.

At the core of the UCC27212DPRR is a bi-directional boost feature, which allows it to supply the desired gate voltage regardless of the low-side reference voltage. This ensures that the desired gate voltage is always maintained, even when the low-side reference voltage is below the threshold voltage. Additionally, the UCC27212DPRR includes an over-voltage protection feature that prevents gate-source voltage from exceeding the desired level.

The UCC27212DPRR also boasts a number of other protection features, such as reverse-blocking current protection, under-voltage lockout (UVLO), and a temperature protection circuit to protect against overtemperature operation. All these features make it an ideal choice for use in applications where the temperature range is wide and the operating environments are harsh.

Conclusion

The UCC27212DPRR from Texas Instruments is a powerful gate driver designed for use with high-side switches, such as MOSFETs and IGBTs. It provides balanced gate drive with low ON resistance, fast switching speeds, and strong noise immunity. Additionally, the UCC27212DPRR offers a range of protection features to ensure reliable operation, even in difficult environments. This makes it well-suited for use in high-performance power factor correction (PFC) circuits.

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