MAX5077AUD+T

Logic Voltage - VIL, VIH:	--
Base Part Number:	MAX5077
Supplier Device Package:	14-TSSOP-EP
Package / Case:	14-TSSOP (0.173", 4.40mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 150°C (TJ)
Rise / Fall Time (Typ):	10ns, 10ns
Input Type:	RC Input Circuit
Current - Peak Output (Source, Sink):	3A, 3A
Series:	--
Voltage - Supply:	4.5 V ~ 15 V
Gate Type:	N-Channel MOSFET
Number of Drivers:	2
Channel Type:	Synchronous
Driven Configuration:	Low-Side
Part Status:	Active
Packaging:	Tape & Reel (TR)

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MAX5077AUD+T Gate Drivers - Application Fields and Working Principles

The MAX5077AUD+T gate drivers are part of a family of intelligent, high-speed, power MOSFET and IGBT drivers that are versatile and can be easily configured to meet a wide variety of application needs. The MAX5077AUD+T drivers feature a full suite of integrated protection, monitoring, and fault-handling features. This makes them ideal for use in power electronics systems, such as industrial motor drives, robotics, lighting, and power supplies. This article will discuss the application field of the MAX5077AUD+T gate drivers and provide an overview of their working principles.

Application Field

MAX5077AUD+T gate drivers are designed for use in a wide range of applications. The drivers are typically used in motor control applications, such as speed, torque, and current control. They can also be used in variable-frequency drives (VFDs), to control the speed of alternating current (AC) motors, such as those used in pumps, ventilators, and other applications.The MAX5077AUD+T gate drivers are also suitable for applications in lighting, including LED lighting. The drivers are capable of providing precise current and voltage control for lighting applications, reducing power consumption and increasing efficiency.In addition, the MAX5077AUD+T gate drivers are also suitable for use in power supplies and other power conversion systems. The drivers can provide high switching frequency and accuracy, enabling efficient power conversion even in complex power supply requirements.

Working Principle

The MAX5077AUD+T gate drivers feature a set of power and control logic that controls the operation of the integrated MOSFET and IGBT transistors. The logic includes several power and control inputs, including an enable input, a protected enable input, and a protected over-current input.The enable input is used to power the transistors and enable the drive. The protected enable input allows the circuit to be controlled by an external microprocessor or controller and prevents the drive from being enabled if a fault is detected. The protected over-current input allows the circuit to be protected from over-current conditions.The MAX5077AUD+T gate drivers also feature a wide range of integrated protection and fault-handling features. These features include adjustable current limit, under-voltage lockout, and over-voltage protection. The drivers are also designed to be resistant to electrical noise and provide protection against electromagnetic interference (EMI).The MAX5077AUD+T gate drivers use two outputs to control the MOSFET and IGBT transistors. The first output, the gate current, provides the signal to turn on and off the transistor, and the second output, the gate voltage, provides the signal to saturate the transistor. The signal from the gate current is modulated to provide a current that is proportional to the load current, whereas the gate voltage determines the amount of current being delivered.Finally, the MAX5077AUD+T gate drivers also feature a set of integrated fault-handling features, including auto-restart and auto-repair. These features allow the system to recover from a fault without requiring user intervention or resetting the system.The MAX5077AUD+T gate drivers are a powerful and versatile solution for power electronics applications, offering high-efficiency performance and fault-handling capabilities. The integrated protection and fault-handling features make the drivers suitable for a wide range of applications, including industrial motor control, LED lighting, and power supplies.

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