VNLD5090-E

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The VNLD5090-E is a power management integrated circuit (PMIC) device. It is a member of the Power Distribution Switches, Load Drivers family of devices, and is designed to provide accurate current distribution, switching and load driving functions in a small, energy efficient form factor. It is ideally suited for applications requiring a high level of electrical noise immunity, such as power supplies, uninterrupted power supplies, DC-DC converters and other kinds of electronic power applications.

The VNLD5090-E features two channels of load switching and two channels of dynamic current distribution switches. The load switch channels are designed to provide a low on resistance of requiring only 1uA of control signal current for full-scale load switching, while the dynamic current distribution channels are designed to provide a low on resistance of 0.07uA with a wide operating range from 0.3V to 4.6V. Both channels are individually protected against current surges and over-voltage events, ensuring reliable operation and efficient energy distribution.

The VNLD5090-E also includes a programmable current sensor, which measures the total current flow across its channels and reports the instantaneous result in amp or watt units. This allows the device to provide an accurate measure of the overall power draw, which can be feed-forwarded to a controller or system monitor for total power management.

The working principle of the VNLD5090-E is simple. The device is driven by a control voltage (Vctrl) which controls its load switch channels and dynamic current distribution channels. When the Vctrl voltage is below the threshold, the load switch channels are open, and the dynamic current distribution channels are closed. When the Vctrl voltage crosses the same threshold, the load switch channels close, and the current distribution channels open. The device is designed to disperse load current across its load switch and dynamic current distribution channels, preventing single-point overloads, and ensuring reliable and safe power distribution.

The VNLD5090-E is ideally suited for applications requiring reliable and efficient current distribution, switching and load driving functions. It is especially useful for power supplies, uninterrupted power supplies, DC-DC converters and other types of electronic power applications, where a high level of electrical noise immunity is essential. It also offers increased system safety and efficiency, as well as real-time power monitoring thanks to its integrated current sensor.

The VNLD5090-E is an excellent choice for applications that require accurate current distribution, switching and load driving, while also providing superior electrical noise immunity. Its unique design and features makes it a great solution for power management applications. It can greatly improve the efficiency and reliability of power systems, and it has the potential to reduce system development costs by minimizing the number of components required for power distribution.

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