LM2647MTCX

LM2647MTCX Application Field and Working Principle

The LM2647MTCX is a DC-DC switching controller managed by a proprietary system-on-chip (SoC) architecture that integrates advanced device protection and system power management functions. Designed to support up to 10-A DC-DC conversion, the LM2647MTCX protects the load and system circuitry from fault events and other problems. This integrated architecture reduces external components, freeing board space and reducing development time. The LM2647MTCX works as a DC-DC switching controller for an improved power-conversion efficiency and improved thermal performance in a variety of DC-DC applications.

Application Fields

The LM2647MTCX is a DC-DC switching controller designed for a wide range of DC-DC applications, including computers, telecommunication equipment, portable and measurement devices, apparatus control systems and power supplies. Depending on their specific requirements, users can select from buck, boost, buck-boost, forward, flyback and half-bridge topology configurations to maximize device performance.

Working Principle

The LM2647MTCX operates on an integrated SoC architecture that enhances system performance, protection and reliability. The use of SoC results in improved throughput when compared to discrete architectures, providing greater efficiency and improved overall performance. The SoC architecture is implemented on a custom-designed analog, digital and system power management core and includes various protection elements. The SoC architecture includes a system power manager that is responsible for managing multiple power domains, monitoring the system environment and providing system protection features.

The LM2647MTCX can be used with low amounts of startup capacitance, as low as 10 uF. This makes it ideal for applications requiring low startup current. The device is designed for operation over a wide range of input voltage, making it suitable for applications with different levels of power conversion. Additionally, the device offers automatic shutdown and start-up control, load compensation and smart soft-start control.

The LM2647MTCX features multiple protection features to ensure reliable operation. The device offers over-temperature protection with a user-configurable threshold, as well as over-voltage, under-voltage, over-current and over-power protection. Moreover, the device also offers gate driver short-circuit protection and gate output short-circuit protection.

The LM2647MTCX is a DC-DC switching controller designed to provide improved power-conversion efficiency and improved thermal performance in a variety of DC-DC applications. The use of an integrated SoC architecture enhances system performance, protection and reliability, while offering multiple protection features to ensure reliable operation over a wide range of input voltages. With low start-up current and automatic shutdown and start-up control, the LM2647MTCX is an ideal choice for applications requiring low startup capacitance, such as computers, telecommunication equipment, portable and measurement devices, apparatus control systems and power supplies.