ISL6614CBZA

Current - Peak Output (Source, Sink):	1.25A, 2A
Base Part Number:	ISL6614
Supplier Device Package:	14-SOIC
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 125°C (TJ)
Rise / Fall Time (Typ):	26ns, 18ns
High Side Voltage - Max (Bootstrap):	36V
Input Type:	Non-Inverting
Series:	--
Logic Voltage - VIL, VIH:	--
Voltage - Supply:	10.8 V ~ 13.2 V
Gate Type:	N-Channel MOSFET
Number of Drivers:	4
Channel Type:	Synchronous
Driven Configuration:	Half-Bridge
Part Status:	Obsolete
Packaging:	Tube

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Introduction

ISL6614CBZA is a Hot Swap Controller, Gate Driver and Power MOSFET Protector which integrate a high-efficiency, low-Rdson power MOSFET with built-in PMIC and gate driver. ISL6614CBZA provides each of these functionalities in a single package, creating an integrated and reliable power solution for high-power applications.

Applications

ISL6614CBZA is designed to provide protection for high-power applications such as automotive, industrial and communication devices. It can be used in applications such as power supply sequencing, powering and powering down the load, fast hot swap configuration and controlling, and hot plugging and unplugging of system components. It also provides superfast transient protection against hot plugging event which can prevent system shutdown.

Working Principle

The working principle of ISL6614CBZA is based on both plug-in and inrush current limit. It utilizes an intelligent state machine, which keeps monitoring the system voltage, current and temperature. Once the current and/or temperature exceed the preset threshold, the power MOSFET is switched off, thereby providing an over-current and/or over-temperature protection for the system.The other features related to hot swap protection includes fast response time, adjustable current limits, adjustable "inrush current limit", fault protection, short LED rating and LED protection.The ISL6614CBZA gate driver consists of a high speed open-drain driver suitable for driving n-channel MOSFET with up to 100V drain-to-source voltage. It features both slow and fast gate charging mode with a typical settling time of 72ns and a maximum switching frequency of 1 MHZ. The driver provides adequate protection against shoot-through phenomenon.

Conclusion

The ISL6614CBZA is an integrated hot-swap controller, gate driver and power MOSFET protector in a single package. It can provide useful functions for the power supply and switching of high-power applications such as in automotive, industrial and communication devices. It provides over-current and over-temperature protection and also incorporates a fast gate driver to drive the MOSFETs with a high switching frequency. With its integration, ISL6614CBZA offers a reliable and cost-effective solution for applications requiring hot swapping.

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