MIC4123YME

Logic Voltage - VIL, VIH:	0.8V, 2.4V
Base Part Number:	MIC4123
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Rise / Fall Time (Typ):	11ns, 11ns
Input Type:	Inverting
Current - Peak Output (Source, Sink):	3A, 3A
Series:	--
Voltage - Supply:	4.5 V ~ 20 V
Gate Type:	N-Channel, P-Channel MOSFET
Number of Drivers:	2
Channel Type:	Independent
Driven Configuration:	Low-Side
Part Status:	Active
Packaging:	Tube

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Introduction

The MIC4123YME is a high-performance, low-power gate driver IC. It is designed to drive both N and P MOSFETs as well as IGBTs in a range of gate-drive applications. It features a wide supply range, enhanced switching characteristics, and optional fault output signals, making it an ideal choice for a variety of gate-drive applications.

Application Field

The MIC4123YME is designed for use in a wide variety of gate-drive applications:

• Low-side and high-side gate-drive applications
• Delayed gate-drive applications
• MOSFETs and IGBTs gate drive applications in motor control, power conversion, and power factor correction
• HVAC and appliance control
• Switching Power Supplies
• High-Voltage Gate Driver
• AC power-meter applications

Working Principle

The MIC4123YME operates on the principle of open and closed loop gate drive signal processing. The open-loop configuration can be used to generate an integrated signal from a separate input signal, while the closed-loop configuration enables noise-immune signal processing.A feature of the MIC4123YME is its wide input voltage range, with supply voltages of 1.9V to 10.8V and peak output currents of up to 800mA. This allows the part to be used in a range of gate-drive applications, including low-side and high-side drives, as well as delayed gate-drive applications.The MIC4123YME also features proprietary EMC protection circuits which protect against electro-static discharge (ESD) and other transient events. These circuits minimize the risk of damage to the integratedcircuit resulting from overvoltage transients.The MIC4123YME also features active pull-down, adjustable delay, and adjustable time constant for shutting off the part. This allows for better control of the gate-drive signals, ensuring that the desired switching speed is achieved with minimal switching losses.

Conclusion

The MIC4123YME is an ideal choice for a variety of gate-drive applications. It features a wide input voltage range, enhanced switching characteristics, and protection from ESD and other transients. With its high-performance and low-power operation, the MIC4123YME provides an ideal solution for gate-drive applications.

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