SI9102DN02-T1-E3

PMIC - Voltage Regulators - DC DC Switching Regulators

SI9102DN02-T1-E3 is a multi-channel DC/DC buck converter offered by Intersil. Its primary application is in the automotive field, where it is used for voltage conversion where multiple output voltages are required, with the ability to support up to four tracks from a single chip. The device helps in reducing board space and is also suitable for systems that require power derated for non-load conditions. In this article, we will look at its application field and working principle in more detail.

Application Field

In the automotive field, SI9102DN02-T1-E3 is mainly used in safety-related systems like airbags and antilock brakes, where evaluating the power consumption during non-load conditions is essential. It is suitable for use in 12V systems and its integrated overvoltage protection helps protect the system from over-voltage or over-current conditions. It is also used in other everyday applications such as DC motors where its efficient power conversion minimizes heat dissipation and helps reduce the bill of materials costs. Additionally, its wide input voltage range allows its use in automotive and non-automotive applications.

Working Principle

SI9102DN02-T1-E3 is a buck converter, which means that it takes an incoming voltage and reduces it to a lower voltage. This is done using a switching regulator circuit, which consists of an inductor, a capacitor, and a diode. When a switch is triggered (the power transistor in this case), electrical charge is stored in the inductor until the switch is opened, at which point it then flows into the output capacitor and the load connected to the output. During this period, the diode helps in drawing out the current from the inductor during the time that the switch is off. This is the basic principle used in the SI9102DN02-T1-E3 and other buck converters.

In addition to this, the SI9102DN02-T1-E3 also implements protection features to ensure safe operation and protection from voltage collapse or overloading. This includes overvoltage protection and overload protection, both of which can be used to protect the device from external conditions. Additionally, the device can be configured to support various PWM frequency settings based on the application.

Conclusion

In conclusion, SI9102DN02-T1-E3 is a DC/DC buck converter that is suitable for use in automotive and other applications where multiple output voltages are required. Its integrated protection features protect it from voltage collapse or overloading, while its wide input voltage range makes it a suitable option for various other applications. Furthermore, its efficient power conversion helps reduce the bill of materials costs and minimize heat dissipation, making it an ideal choice for systems that require a high power output.