CS5174ED8G

PMIC - Voltage Regulators - DC DC Switching Regulators

The CS5174ED8G is an advanced and fast acting switching regulator that is used in various applications in the power electronics market. The DC DC converter is constructed using ultra-low ESR MOSFETs and integrated into an LGA package. In addition, it includes an integrated synchronous step-down controller and incorporating an ON and OFF IC compensated loop compensation circuit.

Application Field

The CS5174ED8G offers an optimal solution in the power electronics market, without the need to source additional external components. The DC DC converter is suitable for use in a variety of different applications such as:

• PoE (Power over Ethernet) applications
• Point-of-Load applications
• Graphic card applications
• High-end Server applications
• Wearable applications

The DC-DC converter consists of a synchronous Buck converter that is capable of delivering a high power output with a maximum output current of 8A. The device supports a wide input range from 2.7V to 55V. The output voltage ranges from 0.5V to 13V.

Working Principle

The CS5174ED8G consists of a synchronous buck converter and operates according to the principle of PWM (pulse width modulation). It works by utilizing a switching element that is turned on and off at regular intervals, thus producing a stream of pulses whose duty cycle can be adjusted. The width of each pulse is determined by the input control signal, while the frequency of the pulses is determined by the clock frequency. The output voltage is proportional to the duty cycle of the pulses.

The device utilizes an advanced circuitry, with an integrated loop compensation circuit, an output voltage loop, an input voltage loop, and current sense amplifier. The integrated loop compensation circuit minimizes the negative feedback loop delay and amplification error and maximizes the system stability.

In addition, the device offers several protection features that include over-voltage protection, overload protection, thermal shutdown and output voltage soft-start. All these features help to protect the device against potentially hazardous situations and maximize the reliability of the system.

The CS5174ED8G is an ideal device for a wide range of applications, including those in PoE, Point-of-Load, High-end Server and Wearable applications. It features an efficient PWM control system, an integrated loop compensation circuit, and excellent protection features.