RT8097CHGE

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The RT8097CHGE is an advanced power management integrated circuit (PMIC) designed for mobile applications such as mobile phones, tablets and wearable devices. It is an efficient DC-DC step-down (buck) power converter integrated with a low dropout linear regulator unit that is capable of providing a total output current up to 2.5A. The RT8097CHGE is ideal for powering processors, memories, screens, and other loads in battery-operated devices. It features high efficiency, low quiescent current, and fast transient response.

This PMIC belongs to the voltage regulator and DC DC switching regulators categories. It contains several functional blocks for power management including voltage regulation, battery charging, charging current regulation, and buck regulator. The RT8097CHGE integrates a low dropout linear regulator, step-down voltage converter, and battery charging circuit into a single package, reducing components and board area, while also providing enhanced performance.

The RT8097CHGE DC-DC buck converter is a compact, high efficiency, switching voltage regulator with a wide input voltage range from 3.1V - 18V that can deliver up to 2.5A of continuous output current. It features fast transient response and low output ripple for high performance applications. The RT8097CHGE step-down regulator is optimized for low quiescent current, requiring only 6uA in shutdown mode, this reduces battery drain and extends battery life. Output voltage can be adjusted by an external resistor, allowing for precise voltage control over the full range.

The RT8097CHGE’s LDO linear regulator is capable of providing loads up to 200mA with adjustable output voltage from 0.8V to 3.3V, using an external voltage divider. Output accuracy is +-2%, making it suitable for low power SoC applications. The combination of the linear regulator and switching regulator in one package provides excellent thermal performance and cost savings.

In addition to power conversion and voltage regulation, the RT8097CHGE integrates several protection features. These include over-temperature, over-current, and short-circuit protection. The input voltage must be limited to less than 18V to ensure the chip does not get damaged. The output voltage is also monitored for under-voltage, over-voltage, and glitches.

The RT8097CHGE is widely used in many power management applications such as mobile phones, tablets, and wearable devices. It is an ideal solution for supplying power to processors, memories, and other loads. Its integrated protection and power conversion capabilities make it a perfect choice for cost-sensitive, high-performance, and mobile battery-operated devices.

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