ISL6614CR

Current - Peak Output (Source, Sink):	1.25A, 2A
Base Part Number:	ISL6614
Supplier Device Package:	16-QFN (4x4)
Package / Case:	16-VQFN Exposed Pad
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Part Status:	Obsolete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:

The ISL6614CR is an integrated circuit (IC) designed to drive gate drivers in power management IC (PMIC) applications. ISL6614CR is a 3A/6A gate driver IC that can drive an extended gate voltage range of up to 26V. It also includes an isolated feedback circuit and isolated analog front end to maximize accuracy and reduce power loss. The ISL6614CR is capable of driving both N-channel and P-channel MOSFETs and IGBTs operating at the same time, enabling multiple circuit configurations and power management applications.

Applications:

The ISL6614CR has a number of applications in power management ICs. These include applications such as synchronous DC/DC buck converters, synchronous DC/DC buck-boost converters, multiple output DC/DC converters, discrete time-controlled DC/DC converters and active/passive AC/DC converters. Its isolated feedback circuit also makes it suitable for use in isolated power supplies, and its isolated analog front end allows the ISL6614CR to accurately and quickly develop a gate voltage level. Such accuracy and speed are essential in any power management IC.

Design Features:

The ISL6614CR is based on the Intersil Diamond Architecture and is specifically designed for high efficiency and performance in power management applications. The IC is capable of driving both N-channel and P-channel MOSFETs and IGBTs operating at the same time, and its onboard oscillator allows users to set the switching frequency, as well as multiple time slots for protection, detect and fault management functions. The ISL6614CR also offers a fault diagnostic and fault management system with user-definable fault codes and cause/detail levels of reporting. It also features an integrated overvoltage protection (OVP) and undervoltage protection (UVP) that is designed to protect against overloads and sudden overloads as well as prevent excessive current flow to the gate.

Working Principle:

The ISL6614CR works by converting low voltage pulses received from the controller into high voltage pulses to activate the gate drivers. This allows the user to set the switching frequency, as well as multiple time slots for protection, detect and fault management functions. The IC also includes an analog front end that can accurately measure the gate voltage thanks to its isolated feedback circuit. This is used to ensure the ISL6614CR is only activating the gate drivers when the gate voltage reaches a predetermined level. In addition, the overvoltage protection (OVP) and undervoltage protection (UVP) functions provided by the IC prevent excessive currents to the gate.

Conclusion:

The ISL6614CR is a power management integrated circuit (IC) designed to drive gate drivers in a variety of applications. It is based on Intersil’s Diamond Architecture, and is designed for high efficiency and performance. Its onboard oscillator allows users to set the switching frequency, as well as multiple time slots for protection, detect and fault management functions. The IC also features an isolated feedback circuit and isolated analog front end, allowing for an accurate gate voltage measurement. Its overvoltage protection and undervoltage protection functions ensure the IC only activates the gate drivers when the gate voltage reaches a predetermined level.

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