MIC4423ZWM

Product Overview

• Category: Integrated Circuit (IC)
• Use: Driver for MOSFETs and IGBTs
• Characteristics:
  • High peak output current capability
  • Wide operating voltage range
  • Low propagation delay times
  • Matched rise and fall times
  • TTL/CMOS compatible inputs
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Power MOSFET and IGBT driver
• Packaging/Quantity: Tube, 98 pieces per tube

Specifications

• Supply Voltage Range: 4.5V to 18V
• Output Current: 1.5A (peak), 0.5A (continuous)
• Input Logic Levels: CMOS/TTL compatible
• Propagation Delay Time: 55ns (typical)
• Rise/Fall Time: 25ns (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC4423ZWM package consists of 8 pins:

1. VDD - Positive supply voltage
2. IN - Input control signal
3. LO - Low-side gate driver output
4. COM - Common connection for low-side driver
5. HO - High-side gate driver output
6. SD - Shutdown input (active low)
7. GND - Ground reference
8. VCC - Bootstrap supply voltage

Functional Features

• High peak output current allows driving power MOSFETs and IGBTs efficiently.
• Wide operating voltage range enables compatibility with various applications.
• Low propagation delay times ensure fast switching performance.
• Matched rise and fall times minimize distortion in the output waveform.
• TTL/CMOS compatible inputs simplify interfacing with microcontrollers.

Advantages

• Robust and reliable driver for power MOSFETs and IGBTs.
• Versatile operating voltage range suits a wide range of applications.
• Fast switching performance enhances overall system efficiency.
• Compatibility with TTL/CMOS logic levels simplifies integration.

Disadvantages

• Limited continuous output current may restrict use in high-power applications.
• Shutdown input (SD) is active low, which may require additional circuitry for certain control schemes.

Working Principles

The MIC4423ZWM is a high-speed MOSFET and IGBT driver IC. It utilizes a bootstrap technique to drive the high-side gate voltage above the supply voltage, enabling efficient switching of power devices. The input control signal (IN) determines the state of the output drivers (LO and HO), which control the gate voltages of the low-side and high-side devices, respectively. The MIC4423ZWM ensures fast rise and fall times, minimizing power losses during switching transitions.

Application Field Plans

The MIC4423ZWM is commonly used in various applications, including:

1. Motor control systems
2. Switching power supplies
3. DC-DC converters
4. Inverters
5. LED lighting systems
6. Audio amplifiers
7. Industrial automation

Alternative Models

Other alternative models that can be considered as substitutes for the MIC4423ZWM include:

1. IR2110
2. TC4420
3. MAX4420
4. HIP4081A
5. IRS21844

These models offer similar functionality and characteristics, providing flexibility in choosing the most suitable driver for specific applications.

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