BD9102FVM-TR Integrated Circuits (ICs)

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DC-DC switching regulators are widely used in many applications, ranging from cell phones to laptops and from industrial equipment to automotive solutions. One of the most common DC-DC switching regulators is the BD9102FVM-TR, which is a monolithic integrated step-up DC-DC converter with integrated high-side and low-side MOSFETs. It can deliver up to 4 A continuous output current, or up to 10 A peak output current, with an adjustable output voltage from 2.5 V to 6.0 V.

Application Field

The BD9102FVM-TR is most commonly used in automotive applications, and is especially well-suited for applications that require high current and low voltage. The BD9102FVM-TR is a great solution for powering various automotive components and devices, such as ignitions, airbags, doors, lights, and audio systems. The BD9102FVM-TR can also be used in medical, industrial, and consumer applications, due to its wide input voltage range of 6 V to 20 V.

Working Principle

The BD9102FVM-TR utilizes a buck–boost converter architecture. In a buck–boost converter, the output voltage is determined by the voltage of the input voltage, the duty cycle of the switching transistor, and the turns ratio of the inductor and the output transformer. The input and output are connected in reverse relative to each other, allowing both step-up and step-down operations. When an input voltage is lower than the desired output voltage, the device operates in step-up mode, boosting the input voltage and converting it to the desired output voltage. When the input voltage is higher than the output voltage, the device switches to step-down mode and reduces the input voltage to the desired output level.

The BD9102FVM-TR also features protection features such as over-voltage protection, over-temperature protection, and under-voltage protection. It can operate in either continuous conduction mode or discontinuous conduction mode, and has a Shutdown control mode for low power consumption when not in use. In addition, the device can be synchronized to an external clock, allowing for greater flexibility in power management.

The BD9102FVM-TR is an efficient and reliable switching regulator solution for a wide variety of applications. It is a great choice for automotive, medical, industrial, and consumer applications that require high current and low voltage solutions. With its wide input voltage range and built-in protection features, the BD9102FVM-TR is highly versatile and sure to meet the needs of many applications.

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