RT9818C-35GV

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PMIC, or power management IC, is an integrated circuit primarily used to manage power in electronic components and systems. RT9818C-35GV, a specific type of power supply and power control IC, is a voltage supervisors IC for the advanced I2C multi-rail digital power control. It can be used to monitor power and control system power up sequencing. This type of PMIC is designed to provide high accuracy monitored voltage and over-current fault protection for I2C power systems. It is useful in modern digital systems as heavy computing systems are expected to consume large amounts of energy.

RT9818C-35GV is composed of multiple DC-DC buck converter digital power controllers, I2C supervisors and analog comparators. The DC-DC buck converter digital power controllers provide the power distribution mechanism to the various microprocessor cores. The I2C supervisory circuits are then used to monitor the I2C bus power supply, while the analog comparators detect and report any voltage threshold violations. In addition, the RT9818C-35GV provides the capability to selectively enable additional power control pins for input polarity protection and short circuit protection.

When connected to a power source, the RT9818C-35GV can monitor up to four different voltage rails, two in each direction. It is capable of providing general power supply and power sequencing control, precise power rail monitoring, power fault detection, and over-current fault detection. The RT9818C-35GV then communicates over an I2C bus to the host to provide a comprehensive view of the current power supply and system status.

The RT9818C-35GV can be used in a variety of applications, such as consumer and gaming devices, wearables, medical devices, networking, and communication systems. It can also be used in battery control systems, enabling precise monitoring and control over battery and system charging. The device is also suitable for automotive applications as it can operate over a wide temperature range.

RT9818C-35GV is intended for advanced power management applications where low power consumption and precision monitoring are needed. It can be used to precisely monitor and report the voltage, current, and temperature conditions of power rails, as well as provide control over the power supply. Additionally, the RT9818C-35GV has a programmable watchdog circuit that is used to reset the I2C bus in the event of a system failure.

In summary, the RT9818C-35GV is a voltage supervisors IC designed to provide high accuracy monitored voltage and over-current fault protection for I2C power systems. With its multiple components and capabilities, it can be used in a variety of applications where precise power management is needed. It also provides a programmable watchdog circuit that can reset the I2C bus in the event of a system failure.

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