LT8672IMS#PBF

Logic Voltage - VIL, VIH:	--
Base Part Number:	LT8672
Supplier Device Package:	10-MSOP
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Rise / Fall Time (Typ):	--
Input Type:	Non-Inverting
Current - Peak Output (Source, Sink):	--
Series:	--
Voltage - Supply:	3 V ~ 42 V
Gate Type:	N-Channel MOSFET
Number of Drivers:	1
Channel Type:	Single
Driven Configuration:	High-Side
Part Status:	Active
Packaging:	Tube

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Overview

The LT8672IMS#PBF is a type of power management integrated circuit (PMIC) that is designed for gate drivers. This particular IC offers a variety of features for applications that require high levels of noise immunity and speed of response. It is commonly used for high-power switching applications, such as LED lighting, motor control and industrial automation. In this article, we will discuss the application fields, working principle and features of the LT8672IMS#PBF.

Application fields

The LT8672IMS#PBF is a general-purpose driver, though is primarily used in applications that require high levels of noise immunity and response. This includes LED lighting, motor control and industrial automation applications. It is also used in motor control applications, where it is able to perform the tasks of driving and braking, as well as controlling speed and position. In LED lighting applications, the LT8672IMS#PBF is able to provide both on/off and dimming control. Industrial automation applications take advantage of its immunity to electrostatic discharge, which is critical in applications such as factory automation, factory robots, automated assembly and test systems.

Working Principle

The LT8672IMS#PBF is based on a three-phase circuit structure, with each phase consisting of two N-channel and two P-channel MOSFETs. The circuit utilizes a 3.3V and ground supply to generate the gate drive voltages for the MOSFETs, which are then output on the high- and low-side switches. This allows the IC to provide a wide range of gate drive waveforms, including quadrature, triangle, and custom waveforms. The high/low switching frequency is adjustable, and the wide supply voltage range allows it to operate in a range of motor control and LED lighting applications.

Features

The LT8672IMS#PBF offers a variety of features that make it suitable for high-power switching applications. It can be used to drive both N- and P-channel MOSFETs, and features a fast switching time of 300ns. This makes it ideal for use in industrial automation and motor control applications, where speed and responsiveness are essential. The circuit also utilizes several advanced techniques for noise immunity, including slew rate control, pulse modulation, and PWM modulation. This ensures that the LT8672IMS#PBF stays noise-immune in high-noise environments. Additionally, the IC offers a wide input voltage range that allows it to be powered from either a regulated or unregulated supply.

Conclusion

The LT8672IMS#PBF is a versatile gate driver IC for a variety of applications, such as LED lighting, motor control and industrial automation. It is based on a three-phase circuit structure, and features noise immunity and speed of response that make it suitable for use in a range of high-power switching applications. It offers a wide input voltage range, as well as adjustable high/low switching frequency, and is capable of driving both N- and P-channel MOSFETs.

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