RT9480GQW-AA03

Series:	EZPBS™
Packaging:	Tape & Reel (TR)
Part Status:	Active
Battery Chemistry:	Lithium-Ion
Number of Cells:	1
Current - Charging:	--
Programmable Features:	--
Fault Protection:	Over Current, Over Temperature, Over Voltage, Short Circuit
Charge Current - Max:	1.2A
Battery Pack Voltage:	4.2V
Voltage - Supply (Max):	5.5V
Interface:	USB
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	24-WFQFN Exposed Pad
Supplier Device Package:	24-WQFN (4x4)

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IntroductionThe RT9480GQW-AA03 is a PMIC – Battery Chargers device that is commonly used for a variety of applications. This type of battery charger is a simple and cost-effective way to provide reliable charging of various types of batteries, such as lithium ion and nickel-cadmium. The RT9480GQW-AA03 is the ideal choice for applications such as portable electronics, battery-powered devices and related consumer products. FeaturesThe RT9480GQW-AA03 device is equipped with many features that make it an ideal choice for a variety of applications. Some of the features include: • High efficiency charger circuit: With the RT9480GQW-AA03 device, a maximum efficiency of 95% is achieved. This ensures that the battery will be charged quickly and efficiently, while also reducing the power losses associated with the charging process. • Programmable current and voltage settings: With the RT9480GQW-AA03 device, users can easily adjust the current and voltage settings of their device. This allows them to customize the charger setting to better suit their particular application. • Safety protection: The RT9480GQW-AA03 device is equipped with a number of safety features such as overcharge protection and short-circuit protection to prevent damage to the battery or other components. • Battery pack enable/disable control: The RT9480GQW-AA03 device has a built-in battery pack enable and disable control. This feature helps to prevent overcharging and extends the life of the battery. • Integrated cell balancing: The RT9480GQW-AA03 device includes an integrated cell balancing feature to ensure that the battery is evenly charged and enables the battery to hold a longer charge. • Automatic power management: The RT9480GQW-AA03 device provides automatic power management- allowing users to easily control the power flow of their device. This feature helps to maximize battery life by efficiently managing the power supply. Working PrincipleThe RT9480GQW-AA03 device is designed to provide reliable battery charging for various applications. This type of battery charger works by controlling the voltage and current supplied to the battery in order to achieve optimal efficiency. The RT9480GQW-AA03 device incorporates a current regulation loop to keep the current supplied to the battery within its allowable range. This helps to ensure that the battery is not overcharged or undercharged, and helps to maximize the life of the battery. The RT9480GQW-AA03 also includes a voltage regulation loop that helps to ensure that the voltage applied to the battery is within its allowable range. By regulating the voltage applied to the battery, the device helps to minimize the power losses associated with charging. Finally, the device also includes an integrated cell balancing circuit which helps to keep the cells of a multi-cell battery pack charged evenly, thereby extending the life of the battery. ConclusionThe RT9480GQW-AA03 PMIC – Battery Chargers device is an efficient, cost-effective and reliable way to charge a variety of batteries. This device is equipped with a variety of features, such as high efficiency, programmable current and voltage settings, safety protection, battery pack enable/disable control, integrated cell balancing and automatic power management, which help to maximize the life of the battery and reduce power losses during charging. Additionally, the device works by controlling the voltage and current applied to the battery in order to achieve optimal efficiency.

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