AAT3663IWO-8.4-2-T1

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The AAT3663IWO-8.4-2-T1 is a battery charger IC from Diodes Incorporated and is part of the company\'s PMIC - Battery Chargers portfolio. It is specifically designed for Li Ion polymer rechargeable batteries and can offer a wide voltage range of 2.6 V to 4.2 V. The charger also has an adjustable charge current of up to 500 mA, making it suitable for a range of applications, such as wireless handsets, handheld devices, digital cameras, and other similar applications.

The AAT3663IWO-8.4-2-T1 has an integrated charge controller and an internal feedback mechanism to ensure an accurate output voltage and current. It also has a low operating temperature due to the use of a 40-V N-channel MOSFET, which specializes in increasing power efficiency and helps to improve battery life. It also has other features, such as low quiescent current, and is designed to meet European Union\'s Restriction of Hazardous Substances (RoHS) requirements.

The AAT3663IWO-8.4-2-T1 has an adjustable fast-charge current of 500 mA, which is suitable for applications that require higher charge rates. It also has overvoltage protection, making it safe for devices that are powered by lithium batteries. Additionally, it is reverse battery protected, allowing you to safely charge a device, even with a reversed polarity.

The working principle of the AAT3663IWO-8.4-2-T1 revolves around a power converter. The power converter of the charger IC converts the AC power source into a DC source of 4.2V to charge the lithium-ion cell. The device also has an internal regulator and comparison comparator that is used to detect the voltage of the battery and adjust the charge current accordingly. This helps to keep the battery at the optimum voltage and maximum charge rate.

The AAT3663IWO-8.4-2-T1 is also designed to protect against overcharge and over-discharge. It also has a temperature sensing feature and will shut down the charging process if the battery temperature rises beyond a certain limit. The charger IC also has an internal shutdown-timer for safety and is overcurrent protected.

The AAT3663IWO-8.4-2-T1 from Diodes Incorporated is an optimized and advanced power management IC for lithium-ion batteries. It is suitable for a wide range of battery applications, such as for wireless handsets, digital cameras, and other handheld devices. This IC is robust with its features such as overvoltage protection, reverse battery protection, temperature sensing, etc. Using its regulated charging process, the battery can be charged safely and efficiently.

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