RT9818A-22GV

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	0 ms Typical
Voltage - Threshold:	2.2V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23-3

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RT9818A-22GV belongs to PMIC (Power Management Integrated Circuits) - Supervisors category. It is one of the power management integrated circuits from Richtek Technology, which helps to protect the system from overvoltage or overcurrent caused by short circuit, power supply fault, and etc.RT9818A-22GV Application FieldRT9818A-22GV application fields include notebook, tablet, smartphone power solution, LED Driver, and industrial controllers. It can provide advanced circuit protection including OVP (Over Voltage Protection), OCP (Over Current Protection), OTP (Over Temperature Protection), SCP (Short Circuit Protection) and precise current sensing scheme. Furthermore, RT9818A-22GV is optimized with auto-resettable feature and wide range of Vin (Input voltage) of 2.6V to 6V.RT9818A-22GV FeaturesThe RT9818A-22GV provides a variety of protective features including OVP, OCP, OTP, and SCP. It has an accurate settable OVP threshold (3V~20V with 0.80V/V ratio) and OCP threshold (2A~20A with 0.25A/V ratio). The output voltage remains stable in the presence of transient or continuous overcurrent or overvoltage. It also provides precision current sensing which supports the system when short circuit occurs.Furthermore, it also comes with auto reset and wide input voltage range to help the system operate safely under abnormal conditions like short circuit, overvoltage, and etc. It also features a shutdown signal to signal that the system is no longer operating normally, and a power good signal to indicate a valid connection between the load and the system.RT9818A-22GV Working PrincipleRichtek Technology\'s RT9818A-22GV is based on the working principle of the PMIC (Power Management Integrated Circuit). With the help of its integrated circuit, the RT9818A-22GV monitors the input voltage, output voltage and current. It also provides the protection device management outputs, over voltage and over current protection, over temperature protection and current sensing.The RT9818A-22GV provides a variety of innovative features such as automatic reset, wide input voltage range, and shutdown signal with power good signal. These features help to protect the system from overvoltage, overcurrent, and false systems.ConclusionRichtek Technology\'s RT9818A-22GV belongs to PMIC (Power Management Integrated Circuits) - Supervisors category. It is designed to provide advanced protection for notebook, tablet, smartphone power supply system, LED Driver, and industrial controllers. It provides features such as OVP, OCP, OTP and SCP along with precision current sensing. RT9818A-22GV also boasts auto reset, wide input voltage range and shutdown signal with power good signal to further protect and monitor the system. Thanks to its innovative features and operating principle, RT9818A-22GV provides a high level of system protection.

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