XC6118C34BGR-G

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PMIC (Power Management integrated Circuit) is a chip that contains a combination of analog, digital and mixed signal circuitry to control and manage a wide range of power supply devices used in a variety of electronic products. The XC6118C34BGR-G is a PMIC chip specifically designed to manage power loads in automotive applications. This PMIC includes several features, such as multiple adjustable voltage regulators, voltage sequencing, and over-current protection for power supply lines. In this article, we\'ll take a closer look at the XC6118C34BGR-G PMIC, explore its application field and working principle.

Features of XC6118C34BGR-G PMIC

The XC6118C34BGR-G PMIC is a 4-output device which can offer voltage regulation, battery protection, and sequential power-up/power-down solutions. It has a step-down regulator, a buck converter, a linear voltage regulator and a battery charger. It is also equipped with Sequential Overcurrent Protection (S.O.C.P) and Overvoltage Protection (O.V.P)..

The XC6118C34BGR-G PMIC has a wide input voltage range of up to 40V, and it supports operation at high switching frequencies up to 2MHz, enabling the device to achieve fast transient response and reduced solutions size. The built-in low-quiescent linear regulator supports output voltage range from 0 to 15.5V. It also has a scalable sequencing control and edge control options to ensure coordinated startup and shutdown sequences of multiple power supplies.

Application of XC6118C34BGR-G PMIC

The XC6118C34BGR-G is designed for use in automotive and other applications that require efficient and reliable power supply design. It is suitable for high-side and low-side automotive voltage regulation, including vehicle powertrain, safety and convenience systems, and vehicle infotainment systems. The XC6118C34BGR-G also supports efficient power supply and battery management in electric vehicle (EV) and decentralized electric energy storage (DES) applications.

The XC6118C34BGR-G also offers low parasitic capacitance, allowing it to handle high-speed switching applications with ease. This PMIC is also IEC60730 certified, so it is compliant with automotive safety standards. Moreover, its overvoltage protection, overcurrent protection and adjustable pulse-by-pulse current limit can protect the system against faults in the power supply line.

Working Principle of XC6118C34BGR-G PMIC

The XC6118C34BGR-G PMIC works by regulating the current and voltage in the power line in order to maintain the desired power level for the system. The primary components of the PMIC are the buck converter, linear voltage regulator, and battery charger. The buck converter is used to convert higher input voltages to lower output voltages. The linear voltage regulator is then used to maintain the output voltages within a desired range. The battery charger is used to charge and maintain the voltage levels in the battery.

The XC6118C34BGR-G PMIC also includes Sequential Overcurrent Protection (S.O.C.P) and Overvoltage Protection (O.V.P) to protect against faults in the power line. The S.O.C.P works by detecting excessive current in one of the outputs, and then shutting off the power to the affected output. The O.V.P detects excessively high voltages and shuts off the power to all the outputs.

The XC6118C34BGR-G PMIC also includes a voltage sequencing system, which switches the voltage levels of each output in sequence to ensure a smooth startup and shutdown. This sequencing system is customizable and can be used to control the startup and shutdown of multiple power supplies in a coordinated manner. This makes it ideal for automotive and other high-end power supply applications.

Conclusion

The XC6118C34BGR-G PMIC is a powerful and highly versatile power management integrated circuit. Its wide input voltage range, high switching frequency, sequential overcurrent protection, and overvoltage protection make it ideal for automotive applications. In addition, its customizable voltage sequencing system ensures coordinated startup and shutdown of multiple power supplies. This PMIC is a reliable and efficient solution for automotive and other high-end power supply designs.

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