Q48SG12042NRFH

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DC-DC converters are devices used to adjust the voltage level from one DC source to a different voltage level. The Q48SG12042NRFH is a high performance, efficient DC-DC converter. It offers a low-profile format and low power consumption.

The Q48SG12042NRFH is a synchronous buck converter with a nominal output voltage of 12V and a power rating of 2W. It has a wide input voltage range of 4.5-36V, making it suitable for a variety of applications. The converter is also highly efficient, providing up to 95% efficiency. It has an output current rating of 0.16A with an adjustable current limit and constant-current/constant-voltage operation.

The main application of the Q48SG12042NRFH is in automotive environments. It can be used in automotive applications such as power steering, electrified power steering, power window and door lock actuation, and windshield wiper motors. The wide input voltage range allows the converter to operate in a wide variety of automotive environments, including cold-crank conditions. It is also well suited for both hybrid and electric vehicles, with its high efficiency and small size.

The working principle of the Q48SG12042NRFH is based on a buck converter. A buck converter is a type of DC-DC converter that takes in a higher input voltage and converts it to a lower output voltage. The Q48SG12042NRFH contains an integrated buck switching regulator, which consists of two main components: an inductor and a switching transistor. When the switching transistor is off, stored energy is released from the inductor and the output voltage is regulated. When the transistor is on, the inductor receives input power and stores it.

The Q48SG12042NRFH also features internal protection and monitoring circuits that improve system reliability by protecting against over-temperature, over-voltage, over-current, and under-voltage conditions. It has an integrated PGOOD pin to provide system monitoring of its output voltage. In addition, the device features low on-resistance during the on-state, allowing it to be used in high-side or low-side switching applications.

In summary, the Q48SG12042NRFH is a highly efficient DC-DC converter ideal for a variety of automotive applications. It is based on a buck converter design and features a wide input voltage range, high efficiency, and several protective and monitoring features. It is a great choice for powering automotive components such as power steering, power windows and locks, and windshield wiper motors.

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