HIP4081AIBZT Integrated Circuits (ICs)

Current - Peak Output (Source, Sink):	2.6A, 2.4A
Base Part Number:	HIP4081A
Supplier Device Package:	20-SOIC
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Rise / Fall Time (Typ):	10ns, 10ns
High Side Voltage - Max (Bootstrap):	95V
Input Type:	Non-Inverting
Series:	--
Logic Voltage - VIL, VIH:	1V, 2.5V
Voltage - Supply:	9.5 V ~ 15 V
Gate Type:	N-Channel MOSFET
Number of Drivers:	4
Channel Type:	Independent
Driven Configuration:	Half-Bridge
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The HIP4081AIBZT is a monolithic gate driver specifically designed to drive power MOSFETs and IGBTs in a synchronous rectified buck converter topologies. This device is a high-efficiency synchronous rectifier with a maximum power handling capability of up to 100 W. Its main features include its low power consumption, wide current range and temperature range, and high frequency operation.

Application Field

The HIP4081AIBZT has various applications. It is mainly used for driving power MOSFETs and IGBTs in synchronous rectified buck converter topologies. It can be used DC to DC power converters, LED lighting drivers, power supplies, high power audio equipment and motor control applications.

Working Principle

The working principle of the HIP4081AIBZT is quite simple. This device is an adjustable current-mode, high speed gate drive with an integral high-side pre-driver. The control of the device is based on a configurable, current mode regulation loop. The output current is adjusted to the desired level, and the output voltage is dynamically adjusted to keep the load in regulation. The device is capable of handling current level up to 0.6A per channel, and the switching frequency is up to 500 kHz. The HIP4081AIBZT is also equipped with a number of protection features. These include over-voltage protection, over-temperature protection, under-voltage protection, as well as ESD and UVLO protection. Furthermore, the device is able to withstand high frequency noise, surge and pulse current environment with minimum dissipation loss.

Conclusion

The HIP4081AIBZT is an integrated gate driver designed for driving power MOSFETs and IGBTs in synchronous rectified buck converter topologies. It is able to provide high efficiency performance, low power consumption, and wide current and temperature range operation. It also has a number of valuable protection features, making it ideal for power converter applications.

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