CS5157HGDR16

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PMIC - Voltage Regulators - Special Purpose

The CS5157HGDR16 is part of a family of voltage regulators specifically designed for adapter and laptop applications. It is a high-efficiency, high-precision device, capable of operating from a wide input voltage range of 3V to 20V and providing a precision regulated output voltage of 1.8V to 16V.

The CS5157HGDR16 is designed to effectively meet the demanding requirements of DC-DC voltage regulation applications, offering improved system efficiency and power savings over the traditional linear regulation technologies. It is also highly flexible, allowing for a wide range of voltages and currents to be regulated in a single device, with an integrated 500mΩ low-side switch and a Logic Power Stage (LPS) that supports a wide range of applications.

The CS5157HGDR16 is built on a proprietary advanced technology platform, which combines Power Management Integrated Circuit (PMIC) and low-side switch in a single package, along with additional circuit protection and control peripheral functions. The device integrates fast transient response and advanced protection circuitry including overvoltage protection (OVP), overcurrent protection (OCP), short circuit protection (SCP) and thermal shutdown protection (TSD). It also includes a unique power state indicator that allows users to monitor the power state at any given time.

The CS5157HGDR16 is suitable for a variety of applications such as powering notebook computers, adapters, embedded systems, battery chargers and digital audio/video devices. It is also suitable for automotive and industrial applications, such as embedded computers, telephony and networking, process control, point-of-sale, instrumentation and medical devices, as well as any other applications requiring a well regulated DC/DC power supply.

The CS5157HGDR16 offers several advantages over traditional linear regulators. It has a low typical dropout voltage of 0.5V, which reduces power consumption and improves overall system efficiency. It also has a built-in frequency compensation, which allows the device to be used in applications that require very fast transient response. Additionally, it offers an adjustable voltage range from 1.8V to 16V and is adjustable in 0.1V increments.

In terms of its working principle, the CS5157HGDR16 offers a simplified topology to meet the requirements of high efficiency and low output voltage ripple. It utilizes a buck-boost circuit to quickly regulate a given input voltage range to a precise output voltage. It also uses a low-side MOSFET switch to regulate output voltage by reducing or increasing the voltage on the output side, according to the voltage feedback loop. Finally, a logic power stage ensures that the output voltage remains stable and within the specified limits.

Overall, the CS5157HGDR16 is an excellent choice for a wide variety of voltage regulation applications, such as powering notebook computers, adapters, embedded systems and battery chargers, as well as automotive and industrial applications. Featuring a wide input voltage range and an adjustable output voltage range from 1.8V to 16V, high efficiency, fast transient response and advanced protection circuitry, it is an ideal choice for designs where reliability and performance are key.

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