VNP49N04FI-E

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The VNP49N04FI-E is a Power Management IC (PMIC) from Vishay Semiconductor. It is classified into the group of Power Distribution Switches, Load Drivers. Specifically, VNP49N04FI-E is a low power, single-phase synchronized boost regulator used for SMBus and I2C applications. It is typically used in industrial applications and in monitoring-systems that require complex power management.

What is the VNP49N04FI-E?

The VNP49N04FI-E is a low-power, single-phase synchronized boost regulator that can be used for applications such as motor control, battery management, solar harvesting and digital instrumentation. It is a step-up DC/DC converter with a power rating of up to 550 mW and capable of driving capacitive and inductive loads up to 23V. Its high efficiency and low switching losses allow high conversion ratios. Its integrated output discharge MOSFET reduces output voltage ringing. The device integrates a 3V to 15V internal power supply, eliminating the need for an external bias voltage, thus reducing system cost and complexity.

VNP49N04FI-E Application Field and Working Principle

The VNP49N04FI-E is a versatile solution for a wide range of applications. Its single-phase operations and low current requirements make it suitable for use in applications with limited power and space requirements. The VNP49N04FI-E is an efficient synchronous boost converter. The output voltage is regulated by a continuous switching cycle of the internal high-side FET, resulting in a controlled voltage transfer from input to output. The device supports both constant-voltage (CV) and constant-current (CC) operating modes, and can regulate output voltage and current between 0.5V to 23V and up to 150mA, respectively.

In addition, the VNP49N04FI-E has several features designed to improve performance and reliability. It has an operating temperature range of -40°C to 125°C, and features short-circuit protection, overvoltage protection, thermal overload protection, open load detection, and an adjustable power-good signal for optimal load monitoring. These features help ensure reliable and safe operation of the device.

Conclusion

The VNP49N04FI-E is a single-phase synchronous boost regulator designed to provide reliable and efficient power conversion in a variety of industrial, motor control, battery management, and solar harvesting applications. Its adjustable power-good signal and over-voltage, short-circuit and thermal protection features ensure reliable and safe operation of the device, while its low current requirements ensure efficient operation and minimized power loss. The VNP49N04FI-E is the perfect solution for applications requiring high power management flexibility and reliable performance.

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