RT9625AZQW Integrated Circuits (ICs)

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PMIC - Gate Drivers are utilized in power-sensitive applications that require consistent level of voltage and current to effectively control the movement of applications with smooth transition. RT9625AZQW is a high-efficiency and high-power IC driver that delivers improved efficiency and stability to microcontroller systems. Moreover, RT9625AZQW offers low power consumption, high switching speed, and wide power supply range, as well as safe operation in all modes of operation.

RT9625AZQW Application Field

The RT9625AZQW Gate Driver is designed to be used in high voltage power applications, especially in renewable energy systems, LED lighting, automotive and consumer products. As it is a high-efficiency and high-power driver, it can drive high-side and low-side loads up to 30V operating voltage and up to 3A in continuous operating current.

The RT9625AZQW is highly suitable for controlling the gate voltage of transistors and FETs used for driving energy systems, specifically automotive applications such as BLDC motor, solenoids, AC/DC converters, and more. It offers fast gate turn-on and turn-off times, while providing a high efficiency power delivery capabilities raising power efficiency up to 95%. Thanks to its high switching frequency, it enables faster current measurement suitable for high side current sensing.

RT9625AZQW Working Principle

The RT9625AZQW provides improved efficiency and stability to microcontroller systems. Its working principle is based on charge-pumps, which stores a constant amount of current which is then used as the high side driver. This enables the device to deliver a higher voltage with significantly reduced ripple, ensuring steady and reliable performance.

Additionally, the RT9625AZQW features over-voltage protection (OVP) and under-voltage protection (UVP) mechanisms that ensure safe operation across all voltages. This can prevent oscillations within the gate driver, causing no damage to the system. The OVP and UVP are triggered by their respective digital triggers, which can be programmed via I2C or SPI digital interface.

The RT9625AZQW is also equipped with over-temperature protection (OTP) feature that provides thermal protection during operations. By monitoring the temperature within the device, it can detect any abnormal rises in temperature, which can result from over current or over voltage within the system. The OTP eliminates the need for external temperature protection circuits, as well as saving time in test cycles.

Furthermore, the RT9625AZQW also features a slew rate control that provides accurate and smooth gate voltage transitions. This helps in prolonging the life time of the power transistor, resulting in improved system durability.

Conclusion

The RT9625AZQW is a high-efficiency and voltage GaN driver, which offers improved efficiency and stability to microcontroller systems. It can drive high-side and low-side loads up to 30V operating voltage and up to 3A in continuous operating current, while also offering protective mechanisms such as OVP, UVP, and OTP. It also features a slew rate control that provides accurate and smooth gate voltage transitions.

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