VN450P-E

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VN450P-E is a monolithic integrated circuit for power management and power distribution under the category of PMIC (Power Management IC) Family, Power Distribution Switches, Load Drivers. It is commonly used in portable electronic devices, audio products, and consumer applications. The chip integrates a voltage regulator, power distribution switches and a load driver, enabling the VN450P-E to act as a power management and power distribution device.

The VN450P-E is designed to operate from a single or multiple power supply sources, with an operating primary voltage range from 4V-20V. It provides a regulated 2.5V output voltage, optimum for powering a load driver. The integrated voltage regulator is based on a switched capacitor architecture and provides fast turn-on time and low quiescent current. Additionally, the IC can be configured to function as a load sharing or multi-phase configuration for improved power management for the system.

The power distribution switches integrated into the VN450P-E enable distributed power management, with adjustable current limits and enable delays to ensure the device can be optimized to protect power supplies, CPUs and other components. The integrated load driver is used to control high-side switches, enabling the device to be used in a variety of consumer applications, including battery management and interface. Additionally, the IC provides an adjustable voltage reference, which can be used to optimize current sharing in multi-phase power distribution applications.

The VN450P-E also includes supply monitoring and gating to ensure reliable power supply operation. The power supply monitor is configured to detect faults in the power supply and shutdown the load driver to avoid problems. In addition, the IC provides a wide range of other functions, including clock gating, thermal performance monitoring, display management, on-chip voltage regulation and low power consumption.

In summary, the VN450P-E is an all-in-one power management and power distribution device, designed for a variety of consumer applications. It integrates a voltage regulator, power distribution switches and a load driver and can be used as a single- or multi-phase power distribution system. The integrated supply monitor and gating functions ensure reliable power supply operation, while the adjustable voltage reference allows for optimized current sharing in multi-phase applications. The device is also designed to use low power and provides thermal performance monitoring, displays management and other features.

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