RichTek Technology Corporation PMIC - PMIC - Power Management - Specialized - RT9953GQW RT9953GQW

The RT9953GQW is a power management integrated circuit designed for digital still cameras and portable devices. It features a comprehensive power supply solution with one synchronous step-up DC/DC converter, one selectable synchronous step-up/step-down DC/DC converter, two synchronous step-down DC/DC converters, and one low dropout linear regulator. The device supports both Li-ion and 2AA battery applications, making it versatile for various handheld devices. The RT9953GQW provides high efficiency, reaching up to 95%, and includes essential protection features such as over current protection, thermal shutdown, and over/under voltage protection. The linear regulator offers a 500mA output with low noise and soft-start functionality. It is packaged in a WQFN-24L 4x4 format, suitable for compact designs. This IC is RoHS compliant and compatible with both SnPb and Pb-free soldering processes, ensuring it meets current environmental standards.