BD4155FV-E2

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Power management integrated circuit (PMIC) is an integrated circuit that is used to manage the power consumption of a system. Specialized PMICs are designed for the specific task of controlling certain aspects of power delivery and consumption in industrial, automotive and consumer applications. BD4155FV-E2, a specialized PMIC, is designed to help reduce voltage ripple and improve system reliability in automotive and other power-constrained applications.

BD4155FV-E2 is a multi-output power Regulator that can provide up to 3.3V, 1.2V and 0.6V of power. It is designed specifically to eliminate power supply ripple and power supply Oscillation that often occurs in automotive applications due to mismatched components. The circuit can provide a clean power supply to the system while consuming a very low quiescent current of 25µA.

BD4155FV-E2 has three display voltage outputs which enable it to provide a clean power supply to a wide range of automotive display devices, including LCDs, organic light-emitting diode (OLED) displays, multi-view display systems, and others. The output voltages are adjustable and provide a degree of flexibility for power rail design.

In addition to supplying power to the display devices, BD4155FV-E2 provides a power supply for peripheral devices such as audio amplifiers, pulse-width modulated (PWM) DC-DC converters, microcontrollers, and memory. The high current output of BD4155FV-E2 can be used in automotive audio applications, where clean power and low switching noise is essential. The output voltage of BD4155FV-E2 is adjustable, which enables it to be used in a wide range of automotive applications.

The working principle of BD4155FV-E2 is based on a charge pump PWM control circuit. The charge pump circuit is used to divide the input voltage into numerous output voltages. BD4155FV-E2has two high-side MOSFETs, one for the power supply and one for the return path. Both MOSFETs are connected in series to provide a high current output. The charge pump PWM circuit is used to regulate the power supply and return path MOSFETs, and keep the output voltage steady.

BD4155FV-E2 can be used in a variety of applications, including automotive audio and display systems. Its adjustable output voltage and low quiescent current make it an ideal choice for automotive applications that demand clean power and low noise. The charge pump PWM control circuit helps reduce voltage ripple and improves reliability in automotive and other power-constrained applications. It is also suitable for use in medical, industrial, and consumer applications.

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