Current - Output (Max):	--
Base Part Number:	ISL6146
Supplier Device Package:	8-MSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Applications:	N+1 Power Supplies, Telecom/Datacom Systems
Voltage - Supply:	3 V ~ 20 V
Current - Supply:	25µA
Series:	--
Delay Time - OFF:	65ns
Internal Switch(s):	No
Ratio - Input:Output:	N:1
FET Type:	N-Channel
Type:	N+1 ORing Controller
Part Status:	Active
Packaging:	Cut Tape (CT)

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ISL6146CFUZ-T7A: Application Field and Working Principle

PMIC - OR Controllers

The ISL6146CFUZ-T7A is a fully-integrated, robotic-resistant, over-current and over-voltage protection (OCP/OVP) device, providing an efficient and complete power management solution for power supply systems.This device is an optimal choice for a wide range of applications, including server and storage systems, telecommunications, computing, automotive and industrial systems, as well as any other system requiring high-efficiency and robust power management.The ISL6146CFUZ-T7A integrates a high efficiency switching regulator, a voltage sense circuit and integrated over-current protection function into a single package. It provides complete protection from power supply over-voltage, over-current, over-temperature and short-circuit conditions. It also contains an integrated sensing circuitry for detecting a wide range of over-current conditions, and provides an accurate voltage rail monitoring and adjustability.The robust design of the ISL6146CFUZ-T7A enables it to survive harsh load transients without any disruption. Its integrated switching regulator and internal synchronous MOSFETs offer improved efficiency and enable a better management of power system requirements. It also supports a wide range of input and output voltages, making it suitable for many applications.

Ideal Diodes

The ISL6146CFUZ-T7A includes integrated ideal diodes which provide a fast, effective and highly reliable protection against over-current conditions. The ideal diodes in the ISL6146CFUZ-T7A are designed to offer a wide area of operation and be able to operate over the full operating voltage range of the system.The ideal diodes in the ISL6146CFUZ-T7A are designed to be able to detect and respond to both over-voltage and over-current conditions, and then quickly disable the output voltage and prevent further damage to the system. The ideal diodes also eliminate voltage drops due to normal diode leakage, allowing a higher efficiency in power supplies.In addition, the ISL6146CFUZ-T7A includes an internal protection circuit which can provide the power supply with hysteresis protection in order to improve circuit reliability. This protection circuit limits the maximum functionality of the devices under certain conditions and over certain trips, provides protection against voltage spikes, and helps reduce input and output noise.

Working Principle

The ISL6146CFUZ-T7A is designed to provide protection to any system that requires efficient and robust power management. This device implements a range of protection functions such as over-voltage, over-current, over-temperature and short-circuit protection, as well as accurate voltage rail monitoring and adjustability.The device contains two primary components, a synchronous MOSFET and an internal ideal diode. The MOSFET is used to switch the load current on and off, while the ideal diode is used to protect the system in case of over-current conditions.The device is designed to operate in the following manner:1. When no load voltage is present, the MOSFET remains in its off state, isolating the load. 2. When a load voltage is present and the current exceeds the maximum current threshold, the ideal diode will activate and cut off the load current, preventing further damage to the system.3. When the load current drops below the maximum current threshold, the ideal diode will switch off and the MOSFET will be enabled again.In addition, the ISL6146CFUZ-T7A also contains an internal protection circuit which can provide a hysteresis protection against over-current conditions and reduce noise in both the input and output voltage rails.The ISL6146CFUZ-T7A is designed to offer superior protection against over-voltage and over-current conditions and is an ideal choice for any system requiring high-efficiency and robust power management.

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