Current - Peak Output (Source, Sink):	2A, 2A
Base Part Number:	ISL6608
Supplier Device Package:	8-QFN (3x3)
Package / Case:	8-VQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Rise / Fall Time (Typ):	8ns, 8ns
High Side Voltage - Max (Bootstrap):	22V
Input Type:	Non-Inverting
Series:	--
Logic Voltage - VIL, VIH:	--
Voltage - Supply:	4.5 V ~ 5.5 V
Gate Type:	N-Channel MOSFET
Number of Drivers:	2
Channel Type:	Synchronous
Driven Configuration:	Half-Bridge
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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PMIC - Gate Drivers

The ISL6608IR-T is a member of the Intelligent Power Module (IPM) Gate Driver family from Intersil, a global technology company specializing in analog mixed-signal and digital signal processing semiconductors. This standalone highly integrated device contains dual 1.2A/30V source and sink drivers, eliminating the need for external drivers. In addition, the ISL6608IR-T combines fast turn-on/turn-off timing, programmable dead-time control and advanced fault protection. The ISL6608IR-T is ideal for controlling a variety of applications, such as motor control and lighting, allowing for more efficient and reliable designs. It is optimized for driving IGBTs and power MOSFETs, and can support up to two phases. The device also includes a wide junction temperature range from -55C to +125C and a soft-start feature which prevents current inrush at turn-on.

Application Fields

The ISL6608IR-T is applicable for a wide range of end-applications including motor control, switch mode power supplies, uninterruptible power supplies, renewable energy inverters, and automotive systems. This device is designed to support the latest low-power integrated FETs and IGBTs while providing the advanced fault protection capabilities needed to ensure a robust design.

Working Principle

When the ISL6608IR-T is turned on, it implements a current-limited, soft-start surge-canceling feature to prevent current inrush while gradually ramping up the gate-drive supply voltage. Once the gate-drive voltage reaches a user-programmable level, the full drive current is applied to the IGBT or MOSFET in order to achieve the desired switching speed and performance. The ISL6608IR-T supports a wide variety of switching frequencies, with optimized dead-time for improved switching efficiency. The ISL6608IR-T also features adjustable overcurrent and over/under-voltage fault protection for enhanced failure protection. This is achievable through adjustable over-current threshold, under-voltage threshold, and over-voltage threshold protection. The device is also equipped with comprehensive fault diagnostic capabilities, providing alerts if an over-temperature, over-current, or over/under-voltage fault occurs. In addition, the ISL6608IR-T is available in a high-density HTSSOP-14 package that enables a design saving in board space. The device offers fast turn-on/turn-off time along with low power consumption and excellent EMC performance which reduces EMI.

Benefits

The ISL6608IR-T is a highly integrated solution with several key benefits. It eliminates the need for manual tuning of dead-time to minimize switching losses and EMI. The device also offers an adjustable soft-start feature that prevents current inrush and reduces glitches caused by the sudden surge in current levels at the turn-on stage. In addition, it supports a wide temperature range from -55C to +125C and features advanced fault protection for enhanced reliability. Finally, the device’s small HTSSOP-14 package saves precious board space.

Conclusion

The ISL6608IR-T is a feature-rich gate driver from Intersil that provides an efficient, integrated solution for controlling IGBTs and power MOSFETs. The device combines fast turn-on/turn-off timing, programmable dead-time control and comprehensive fault protection. It is ideal for a variety of end-applications such as motor control, switch mode power supplies, uninterruptible power supplies, renewable energy inverters, and automotive systems. The device is provided in a high-density, HTSSOP-14 package and requires minimal board space.

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