ISL61853MIRZ

Programmable Features:	--
Base Part Number:	ISL6185
Feature Pins:	EN1, EN2, /FLT1, /FLT2
Supplier Device Package:	10-DFN (3x3)
Package / Case:	10-VFDFN Exposed Pad
Mounting Type:	Surface Mount
Current - Supply:	50µA
Operating Temperature:	-40°C ~ 85°C
Current - Output (Max):	1.8A
Voltage - Supply:	2.3 V ~ 5.5 V
Series:	--
Features:	Fault Timeout, Latched Fault, Thermal Limit, Turn On Voltage, UVLO
Applications:	USB
Internal Switch(s):	Yes
Number of Channels:	2
Type:	Hot Swap Controller
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tube

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Introduction to ISL61853MIRZ

The ISL61853MIRZ is a unique and powerful module from Intersil, one of the leading suppliers of power management integrated circuits (PMICs). This module is a fully-integrated Hot Swap Controller specifically designed to protect and control analog and digital systems during hot swap operations. It combines a programmable overvoltage and undervoltage protection circuitry with a precision current limit and fault status monitor to maximize the safety of high-powered systems. Additionally, it has integrated MOSFET gate drivers with overvoltage and undervoltage protection, enabling use in applications that require reliable power supply.

Application of ISL61853MIRZ

The ISL61853MIRZ has a variety of applications in the field of power management, especially those related to HotSwap. These can be further broken up into two main categories: applications that are related to protecting a system from overstressing power supply components, and those related to enabling hot-swapping of boards or components. The ISL61853MIRZ excels in both of these applications. Its integrated MOSFET gate drivers enable it to withstand extreme changes in supply voltages, while its precision current limit and fault status monitor provide a great deal of safety in controlling the power requirement of the entire system.

Working Principle of ISL61853MIRZ

The ISL61853MIRZ uses a variety of techniques to ensure safe and reliable hot-swapping of boards or components. The first technique is the programmable overvoltage and undervoltage protection circuitry. This circuitry switches the MOSFET gate drivers off in the case of an overvoltage or undervoltage condition. This ensures that the MOSFET gate drivers do not attempt to process power that is higher than its design parameters. The second key technique is the precision current limit. This feature helps prevent a system from operating with an excessive power load by limiting the amount of current that can be drawn from the power supply. This prevents the system from over-stressing the electrical components by limiting the maximum power requirement. Finally, the ISL61853MIRZ also monitors the voltage and current levels in order to detect any faults in the system. This feature will immediately alert the user that there is an issue with the supply in order to minimize the impact the issue may have on the system.

Conclusion

The ISL61853MIRZ provides a range of features which make it an ideal choice for power management solutions. It combines a programmable overvoltage and undervoltage protection circuitry with a precision current limit and fault status monitor to maximize the safety of high-powered systems. Additionally, it has integrated MOSFET gate drivers with overvoltage and undervoltage protection, enabling reliable performance even in applications that require power supply. The ISL61853MIRZ, therefore, stands as an ideal Hot Swap Controller for a variety of applications.

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