X4645V8I-2.7

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	--
Reset:	Active High
Reset Timeout:	100 ms Minimum
Voltage - Threshold:	2.62V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	8-TSSOP
Base Part Number:	X4645

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Introduction

The X4645V8I-2.7 is a supervisor product from PMIC – Supervisors, specialized in providing advanced power management solutions for a wide range of applications. This supervisor device is designed to protect system and CPU from potential damages due to excessive operating conditions such as overvoltage, overcurrent, and elevated temperatures. It also offers dynamic power supply control and system control functionalities, making it an ideal solution for server and industrial automation equipment applications.

Application Fields

X4645V8I-2.7 PMIC – Supervisors are mainly recommended for systems where reliable power circuit protection and power supply sequencing are necessary, such as data centers, server, industrial automation, and military/aerospace applications. Additionally, thanks to its advanced power management features, the X4645V8I-2.7 ensures long-term reliability and stability in any of these operating scenarios.The X4645V8I-2.7 provides a variety of useful features for complex industrial and server applications. First of all, it is equipped with a wide inpu voltage range, adjustable undervoltage and overvoltage thresholds, and a low power consumption. It also supports multiple system reset functions such as power-on reset, WatchDog timer, and manual reset, making it an ideal solution to ensure the protection of more sensitive components.The X4645V8I-2.7 is also a great choice as it can provide precise power sequencing and precise voltage monitoring. It is also equipped with several power control capabilities, such as pulse stretching and slew rate control, to ensure a precise current flow. In addition, the X4645V8I-2.7 is able to handle up to 200A currents, and features flexible status surveillance options.

Working Principle

The X4645V8I-2.7 uses a system of dual-channel reset circuits managed by a dedicated reset controller. The system is mainly controlled by the primary channel reset controller, with the secondary channel monitoring system for fault management.When the system is powered on, the X4645V8I-2.7 performs a power-on reset (POR) of the main system clock and main supply voltage. The primary channel reset controller then immediately verifies the voltage stability and sets the allowed undervoltage, overvoltage and excess temperature conditions. In case the voltage is not stable enough, the X4645V8I-2.7 shall restore the system to its safe levels.The secondary channel, then, is constantly monitoring system parameters such as supply voltages, temperatures, WatchDog timer and alarm functions. As soon as any of the monitored parameters exceed the set threshold levels, the reset controller acts to reset the system.The X4645V8I-2.7 also provides an advanced power supply sequencing control, which ensures that all of the needed operations are taken in the correct order to keep system safe and protected from unwanted power surges. This power sequencing control is enabled by both the primary and secondary reset controllers and their related monitoring functions.Lastly, the X4645V8I-2.7 is capable of managing up to 200A currents, with status surveillance and adjustable pulse stretching and slew rate control. This feature allows advanced power management, ensuring that the system can meet its most demanding requirements.

Conclusion

The X4645V8I-2.7 PMIC – Supervisors from PMIC – Supervisors offer better protection for complex applications covering data centers, servers, industrial automation systems and aerospace/military applications. It is designed to provide reliable power circuit protection and power supply sequencing by managing dual-channel reset circuits and performing power-on reset and WatchDog timer functions. Its adjustable undervoltage and overvoltage thresholds, low power consumption and advanced power control/management features make it a great choice for server, industrial and military/aerospace applications. Moreover, the X4645V8I-2.7 provides precise power sequencing and precise voltage monitoring, making it an ideal solution to ensure the protection of more sensitive components.

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