AUR9807DFGD

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AUR9807DFGD Application Field and Working Principle

AUR9807DFGD is a battery charger PMIC, integrating power switch, high voltage buck integrated circuits, etc. It is an integrated single-cell lithium-ion battery charger with input current and voltage regulation and high accuracy charging control. The battery charger is suitable for cell phones and other electronic products.

AUR9807DFGD Application Field

AUR9807DFGD is designed to solve the limitation of limited space and cost in the design of portable electronic devices such as cell phones, Bluetooth headsets, power banks, tablets, and smart watches. In addition, it is also suitable for other applications such as medical device, drone, IoT endpoint, wireless charging, safety power management, digital audio, fitness wristband, and digital camera.

AUR9807DFGD provides a power supply design solution for these applications. AUR9807DFGD conserves space, reduces cost, and improves charging accuracy and performance. In addition, the small size of the IC also reduces board space when space is already tight.

AUR9807DFGD Working Principle

AUR9807DFGD is a single-cell lithium-ion battery charger with input current and voltage regulation and high accuracy charging control. The AUR9807DFGD has an embedded voltage regulator and can take an input voltage from 3V to 16V. It achieves maximum current up to 2.5A and maximum charge voltage 4.35V with absolute accuracy. This PMIC is suitable for charging Li-ion and Li polymer batteries with high precision and low power consumption. The charge current programming is done via register. AUR9807DFGD uses a constant current/constant voltage (CC/CV) charging algorithm with charge termination and charge status monitoring.

AUR9807DFGD utilises advanced power management techniques, including current sensing and voltage monitoring to ensure safe charging of Li-ion and Li polymer batteries and protects against over-voltage, over-current, over-temperature, and short-circuit operation. Additionally, AUR9807DFGD\'s lower quiescent current and higher power rating, which results in lower operating temperature and longer life of the charge cycle, make it an ideal choice for battery applications.

In summary, AUR9807DFGD is a battery charger PMIC for Li-ion and Li polymer batteries. It is an integrated single-cell lithium-ion battery charger with input current and voltage regulation and high accuracy charging control. This PMIC can be used in cell phones and other electronic products. Its advanced power management techniques and small size make it an ideal choice for battery applications.

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