ISL61853OIRZ-T

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:	Tape & Reel (TR)

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Introduction to ISL61853OIRZ-T PMIC Hot Swap Controllers

Integrated Silicon Solutions Inc. (ISSI) has developed a type of Hot Swap controllers called ISL61853OIRZ-T. These are PMIC (power management integrated circuit) devices that are used to prevent inrush current, back EMF, and hot swapping in many PoE (Power Over Ethernet) and PoE+ applications. They provide threshold voltage protection to the load, preventing it from blowing up due to overvoltage.

What Is ISL61853OIRZ-T Hot Swap Controllers?

ISL61853OIRZ-T Hot Swap controllers are part of a series of power management integrated circuits developed by ISSI. They are specifically designed for use in Power over Ethernet (PoE) and PoE+ applications. The ISL61853OIRZ-T is a dual-channel hot swap controller that provides up to 16 different voltages, allowing designers to choose the most suitable voltage for their application.It also provides inrush current protection, which means that during hot swapping, the controller will limit the amount of current that the load is allowed to draw. This protects the load from over current and short-circuit. In addition, it protects the system from back EMF, which can damage sensitive components if not managed correctly.

Features Of ISL61853OIRZ-T Hot Swap Controllers

The ISL61853OIRZ-T series of hot swap controllers come in a small 5x5mm QFN package and are optimized for surface mount assembly. They feature a surface-mountable 2.2Ω E-Fuse N-Channel MOSFET, which allows for low power consumption during hot swap operations. These controllers are also designed for low insertion loss, meaning that they have low voltage drops when current is passing through them.In addition, the ISL61853OIRZ-T series of hot swap controllers have built-in over-voltage protection, which means that the controller will shut down when it detects an over-voltage condition. This prevents the load from blowing up due to over-voltage. The controller can also be set to lower the turn-on voltage for low-voltage applications.

Working Principle Of ISL61853OIRZ-T Hot Swap Controllers

ISL61853OIRZ-T hot swap controllers work by utilizing a two-channel MOSFET control scheme. When the input voltage is at the lower threshold voltage, the controller senses the voltage and turns off the MOSFET. This prevents any current from flowing into the output.When the input voltage rises to the threshold voltage, the controller turns on the upper MOSFET, allowing current to flow into the output. To prevent over-voltages, the controller also turns off the lower MOSFET if the input voltage is above a certain threshold.The ISL61853OIRZ-T also features over-voltage protection and inrush current protection. Over-voltage protection prevents over-voltage conditions and inrush current protection prevents short-circuiting or overloading the output.

Applications Of ISL61853OIRZ-T Hot Swap Controllers

ISL61853OIRZ-T Hot Swap controllers are mainly used in Power Over Ethernet (PoE) and PoE+ applications. These applications need to have precise voltage and current control to ensure that the power is provided in a safe and reliable manner. These controllers are also suitable for use in high power systems, such as LED lighting and high power DC motors, where precise current and voltage control is required.In addition to these applications, the ISL61853OIRZ-T hot swap controllers can also be used in consumer electronic products, such as cell phones, laptops, and tablets, as well as industrial and automotive applications. The controllers can also be used in renewable energy systems, such as solar energy and wind energy applications, where precise current and voltage control is required.

Conclusion

In today’s modern world, power management is becoming increasingly important. The ISL61853OIRZ-T Hot Swap controllers are an important part of power management and provide precise current and voltage protection in PoE and PoE+ applications. These controllers are well suited for a variety of applications, including consumer electronics, industrial, and renewable energy systems.

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