RT9465GQW

The RT9465GQW is a member of Richtek\'s battery charger and system power management product line. It is a power management integrated circuit (PMIC) designed to provide high-efficiency charging and system power management for portable devices powered by one or two Lithium-ion/Lithium-polymer cells. The RT9465GQW is suitable for a wide range of products, including smartphones, tablets, PDAs, portable media players, digital cameras and other portable devices with similar architecture. With its high-efficiency, low-power, and high performance features, the RT9465GQW has become an ideal choice for many battery-powered applications.

Application Field of RT9465GQW:

The RT9465GQW is ideal for portable applications with its low quiescent current levels, high efficiency, and adjustable switching frequencies. It provides automatic charging and system power management for one or two Li-ion/Li-polymer cell battery packs with up to 1.5A charging current. The RT9465GQW includes an advanced power control path, which includes charge current control, cell balancing, thermal regulation, and cell protection functions.In addition, the RT9465GQW features an integrated switch with a very low on- resistance, which helps to further improve power efficiency. The RT9465GQW can be configured to support various thermal protection options. The IC also features an adjustable timer that can be adjusted to meet various product requirements.Other features of the RT9465GQW include integrated short-circuit protection, over-voltage protection, and over-current protection, which help to ensure system reliability. The IC also features a programmable charge rate, which allows the system designer to optimize the charging process.

Working Principle of RT9465GQW:

The RT9465GQW is based on a synchronous Buck topology, which allows the device to operate at high efficiency levels over a wide range of input and output voltages. The IC is optimized to allow fast charging of the battery and can be programmed to charge the batteries quickly and then automatically switch to trickle charging to maintain full capacity.The RT9465GQW includes an integrated power control path that monitors the battery voltage, current, and temperature. The power control path helps to optimize the charging profile and reduces the overall power dissipation while charging. The power control path also ensures that the battery is charged at the correct rate and with the correct voltage level.The RT9465GQW also features an integrated voltage regulator, which allows the system designer to select the optimal voltage level for the battery. The IC also provides an output voltage accuracy of ±2%, which ensures that the battery is charged to the correct level. The IC also features an adjustable voltage regulator that can be adjusted to meet the system\'s requirements.The RT9465GQW includes an integrated PWM controller that operates in pulse-skipping mode for improved efficiency. The pulse-skipping mode also allows for improved efficiency at light load conditions.In addition, the RT9465GQW provides an integrated protection circuit, which includes overvoltage protection, overcurrent protection, and short-circuit protection. The protection circuit helps to ensure system reliability by automatically shutting down the device in the event of an overload or short circuit.Finally, the RT9465GQW is optimized to minimize system standby power consumption, improving system battery life.

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