MIC4426YM

Product Overview

• Category: Integrated Circuit (IC)
• Use: Driver for MOSFETs and IGBTs
• Characteristics:
  • High peak output current capability
  • Wide input voltage range
  • Fast rise and fall times
  • Low propagation delay
• Package: SOIC-8
• 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)
• Input Logic Compatibility: CMOS/TTL
• Propagation Delay: 55ns (typical)
• Rise/Fall Time: 25ns (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC4426YM has a total of 8 pins:

1. VDD - Positive supply voltage
2. IN - Input pin for logic control signal
3. LO - Low-side gate driver output
4. COM - Common ground
5. HO - High-side gate driver output
6. VB - Bootstrap supply voltage
7. VS - High-side floating supply return
8. VSS - Negative supply voltage

Functional Features

• High peak output current allows driving power MOSFETs and IGBTs efficiently.
• Wide input voltage range enables compatibility with various logic control signals.
• Fast rise and fall times ensure quick switching of the connected devices.
• Low propagation delay minimizes delays in the switching process.

Advantages and Disadvantages

Advantages: - High output current capability - Wide input voltage range - Fast switching times - Low propagation delay

Disadvantages: - Limited operating temperature range (-40°C to +125°C) - Requires external bootstrap capacitor for high-side gate drive

Working Principles

The MIC4426YM is designed to drive power MOSFETs and IGBTs in various applications. It operates by receiving a logic control signal at the IN pin, which determines the state of the output drivers. The high peak output current allows efficient switching of the connected devices. The bootstrap supply voltage (VB) provides the necessary voltage for the high-side gate driver.

Detailed Application Field Plans

The MIC4426YM finds applications in various fields, including:

1. Motor Control: Used in motor drives to control the speed and direction of motors.
2. Switching Power Supplies: Enables efficient switching in power supply circuits.
3. Lighting Systems: Drives power MOSFETs or IGBTs in lighting applications.
4. Industrial Automation: Controls switches and relays in industrial automation systems.
5. Automotive Electronics: Used in automotive applications such as electronic fuel injection systems.

Detailed and Complete Alternative Models

1. MIC4427YM: Similar to MIC4426YM but with higher output current capability.
2. MIC4428YM: Low-side gate driver with similar characteristics to MIC4426YM.
3. IR2110: High-voltage, high-speed power MOSFET and IGBT driver.

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