RT2702GQW

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RT2702GQW is a high-accuracy polarity tracking DC/DC controller. It offers very accurate constant voltage and current control, supports a wide input voltage range, and provides overload and over-temperature protection. This unique device allows system designers to easily integrate their product’s power management needs and ensure reliable operation.

Application Field of RT2702GQW

RT2702GQW is widely used in a multitude of applications, including but not limited to battery-powered systems, routers, VoIP infrastructures, automotive, medical and industrial control systems, industrial lighting, renewable energy and smart metering. This DC/DC controller can provide reliable operation of systems powered by 6V to 9V batteries, or any other input source from 0.8V to 10V.

The power range of RT2702GQW is from 0.8-25W. It is designed to work in both buck and boost configurations and provides multiple programmable control functions such as low-battery detection and over-temperature protection. In addition, RT2702GQW is ideal for ultra-low power applications and provides secure power management with high noise immunity.

Moreover, RT2702GQW is compact and low-cost and provides an adjustable output voltage range of 0.6V to 10V with great precision (typically 0.2% at 5V output). It is an ideal choice for system designers who need a reliable, low-power, high-accuracy DC/DC controller to meet their system’s power management needs.

Working Principle of RT2702GQW

The RT2702GQW implements a fixed frequency current-mode control algorithm to regulate the output voltage. The controller is based on an open-loop architecture and uses an adaptive on-time modulation technique, which decreases the output ripple current. It also features an adjustable duty-cycle range of 0.2-99.8%, ramp compensation, and soft start. The controller incorporates a comparator to detect over-current events, an internal voltage reference, and an error amplifier. All of these features allow the controller to accurately regulate the output voltage despite changes in the load and input conditions.

RT2702GQW’s current-mode control scheme ensures fast transient response, reduces output voltage deviation due to load changes, and provides low output voltage ripple. It also offers a wide voltage range and enables system designers to achieve stable and accurate output voltage regulation. In addition, it has a low-noise design and provides various protection mechanisms, including over-temperature protection, over-voltage protection, under-voltage protection, and over-current protection. All these features make the RT2702GQW the perfect choice for industrial, automotive, and medical projects that require reliable and accurate DC/DC controller solutions.

Conclusion

In conclusion, RT2702GQW is a high-accuracy and low-cost DC/DC controller that offers a wide voltage range and supports both buck and boost configurations. It provides accurate voltage control and multiple programmable control functions such as low-battery detection and over-temperature protection. The controller implements a current-mode control algorithm, ensuring fast transient response, low output voltage ripple, and stable, accurate output voltage regulation. Moreover, it has a low-noise design and offers various protection mechanisms, making it an ideal choice for industrial, automotive, and medical projects.

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