ISL89400ABZ-T

Current - Peak Output (Source, Sink):	1.25A, 1.25A
Base Part Number:	ISL89400
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Rise / Fall Time (Typ):	16ns, 16ns
High Side Voltage - Max (Bootstrap):	100V
Input Type:	Non-Inverting
Series:	--
Logic Voltage - VIL, VIH:	3.7V, 7.4V
Voltage - Supply:	9 V ~ 14 V
Gate Type:	N-Channel MOSFET
Number of Drivers:	2
Channel Type:	Independent
Driven Configuration:	Half-Bridge
Part Status:	Active
Packaging:	Tape & Reel (TR)

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ISL89400ABZ-T is a –60 to –12V Gate Driver with high-side and low-side output that enables power MOSFETs and IGBTs in the most demanding applications. In addition, it features >3A peak output current, configurable dead-time and fault protection with adjustable delays. The ISL89400ABZ-T is designed to minimize EMI, minimize board space and maintain low power dissipation while providing high operating frequencies.The ISL89400ABZ-T application field can be found in many industries including automotive, industrial, medical, and consumer applications. Automotive applications for the ISL89400ABZ-T include body control modules, engine management, throttle control, and motor control modules. Industrial applications include drives, medical applications include imaging systems, and consumer applications include home appliances, entertainment systems, and diagnostic systems.The ISL89400ABZ-T is optimized for high-speed, high-load operation and can support up to 2 MHz operation. To achieve this performance, there are a variety of factors that must be taken into consideration. Dead time, for example, is a very important factor for proper operation of the drivers – operating frequency, output current, and dead time must be optimized depending on the application. In addition, some applications may require an adjustable pre-driver current limit and protection features such as short-circuit protection, over-current protection, and thermal shutdown.In terms of its working principle, the ISL89400ABZ-T controls signals used to drive high-current loads such as power MOSFETs, by providing high-side and low-side output stages. The high-side output stage drives one of the load elements, while the low-side output stage drives the other. This basic working principle also applies to the remaining stages of the ISL89400ABZ-T – the pre-drivers, which are used to drive the larger high-side and low-side outputs, and current sensors, which provide feedback of the performance of the drivers and provide protection from the over-current fault condition.The ISL89400ABZ-T also uses low-side active and high-side passive pull-up structures for output control, allowing for higher speed operation and adjustable dead-time. The adjustable dead-time provides the ability to fine-tune the performance of the drivers, allowing for higher operating frequencies and improved load turn-on and turn-off times.The ISL89400ABZ-T also features active current limit and adjustable short-circuit delay, which allow the user to set their own limits on current consumption. This allows the power-conversion system to operate safely and efficiently. In addition, the integrated high-side and low-side voltage clamps provide protection against developing EMI/RFI, ensuring system safety and stability.Overall, the ISL89400ABZ-T Gate Driver is ideal for a wide range of applications requiring higher drive current, higher switching frequencies and configurable current protection. It offers superior EMI, board space and power dissipation, and provides adjustable dead-time and fault protection with adjustable delays, reducing the need for external circuitry or components.

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