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PMIC - Supervisors

RT9818C-25GV is a new generation PMIC (Power Management IC) from Richtek Technology Corporation. This PMIC belongs to the supervisors family which provides system reset and brown-out protection in low cost and low complexity applications. It provides protection against overcurrent and overvoltage, which guarantees the normal operation of system. Additionally, the device is used to monitor voltage inputs, monitor system current, monitor external temperature and control fan speed.

Application Field

RT9818C-25GV can be used in low voltage applications such as system reset and brown-out protection as well as overcurrent and overvoltage protection. Additionally this PMIC can be used in applications such as monitoring voltage inputs, monitoring system current, monitoring external temperature and controlling fan speed. Furthermore, RT9818C-25GV is also suitable for other applications which require a reliable system reset, such as xDSL modems, home appliances, DTVs and blue-ray players.

Working Principle

The working principle of RT9818C-25GV is based on the fact that it provides system reset, over voltage and over current protection. When the input voltage or current exceeds the programmed level, the PMIC triggers a signal to initiate system reset. Additionally, when the voltage drops below a certain threshold level, the device provides brown-out protection by reducing the power consumption. Furthermore, the system current protection feature monitors the system current and generates a signal to initiate a system reset if the current exceeds a certain level. Additionally, RT9818C-25GV can be used to monitor voltage inputs, monitor system current, monitor external temperature and control fan speed.

Conclusion

In conclusion, RT9818C-25GV is a highly efficient PMIC belongs to the supervisors family providing system reset, over voltage and over current protection features. Additionally, this PMIC can also be used for other applications such as monitoring voltage inputs, monitoring system current, monitoring external temperature and controlling fan speed.

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