BU45K462G-TL Integrated Circuits (ICs)

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The BU45K462G-TL is a supervisor IC from ROHM, which is specifically designed for PMIC - Supervisors applications. This device integrates numerous protection functions to ensure the safety and reliability of the system. It provides protection against overvoltage, overcurrent, improper supply voltage, resistive-load over-temperature, load overload, surge events, and back-EMF current. The BU45K462G-TL has an enhanced built-in featureset to protect the powerline, EMC filter, transformer, and switches.

The BU45K462G-TL has two functional parts: a set of control circuitry and a processor core. The control circuitry consists of logic signals, protection circuits, and shutdown circuits. It has various logic signals including signals for power supply detection, power good output, EV DC/DC and EV SFD, DISCHARGE current, RDSON monitoring, peak current, regulated power supply, and primary windings current. This IC also has several safety circuits built-in, such as over-voltage, over-current, and over-temperature.

The processor core provides the main control for the BU45K462G-TL. For the high-side circuit, the core implements an algorithm to calculate the voltage, current and power in order to determine the operation state. The core also has a set of internal registers to store the parameters required for the calculation. For the low-side circuit, the core monitors the voltage, current, and temperature of the components, as well as the external conditions.

In addition, the BU45K462G-TL includes a variety of power management features to ensure the system remains in a stable state. It has undervoltage, overtemperature, overcurrent, and overvoltage protections, as well as intelligent power management, to ensure reliable power delivery. The processor core also has a wide range of power management functions, such as advanced load balancing, voltage and current monitoring, load monitoring, and thermal protection.

The BU45K462G-TL also has an integrated over-current and over-voltage protection. This feature includes monitor inputs, voltage and current monitoring, over-temperature protection, and protection against back-EMF current. These features provide the necessary protection to all components, such as the power supply, EMC, and transformers.

In summary, the BU45K462G-TL is a highly reliable and robust supervisor IC designed for various PMIC - Supervisors applications. It has various features, including power management, over-current and over-voltage protections, and thermal protection, which make it an ideal solution for many applications. The BU45K462G-TL is an advanced, reliable, and efficient supervisor IC, specifically designed for powering up and protecting different systems.

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