RT9953GQW

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The RT9953GQW is a Power Management integrated circuit (PMIC) with a specialty in adjustable step-up/step-down converters. It is a highly integrated, linear, advanced power management solution with a wide range of application fields and working principles. It can be used in a variety of application field to provide precise power control, such as video and audio products, home appliances, industrial control, automotive and personal computer systems.

The RT9953GQW integrates two step-up/step-down adjustable converters (Buck and Boost) with a maximum output current of 1.5A for both converters. The RT9953GQW offers precise control of the Step-up/Step-down output voltage over a wide input voltage range from 0.5V to 5.5V, providing excellent voltage regulation performance. The device can be operated as an independent step-up or step-down converter, or the two converters can be combined to support a wide range of output voltage levels (1.0V to 5.5V).

The RT9953GQW implements a number of features to enhance system performance, such as programmable peak current limit, soft-start, and over temperature protection (OTP). In addition, the RT9953GQW has an internal built-in supervisor that supervises the power-on reset (POR) and power-on reset high voltage (PORHV) states. This provides safety and reliability to the system.

The RT9953GQW supports an adjustable operating frequency up to 1MHz, allowing fast transient response and improved overall efficiency. The adjustable switching frequency helps to reduce input and output ripple, while the integrated MOSFETs with an adjustable frequency feature allow for improved efficiency and power dissipation. The RT9953GQW also features short-circuit protection, enabling the device to resist short-circuit in the output power path.

The RT9953GQW supports a wide range of input and output voltages, making it suitable for a wide range of applications. It also integrates several protection features to ensure system safety, such as over voltage protection (OVP), under voltage protection (UVP), over current protection (OCP), and over temperature protection (OTP). The device also offers a higher efficiency and improved power dissipation compared to traditional PMICs.

In conclusion, the RT9953GQW is a highly integrated PMIC for adjustable step-up/step-down converters with multiple application fields and excellent working principles. The integrated features ensure system safety, improved efficiency, and long-term reliability, making it an attractive option for designers looking for an advanced power management solution.

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