MIC4424YWM

Product Overview

• Category: Integrated Circuit
• Use: Driver for MOSFETs and IGBTs
• Characteristics:
  • High peak output current
  • Wide input voltage range
  • Low propagation delay
  • Low shoot-through current
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Power MOSFET and IGBT driver
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.5V to 18V
• Output Current: 1.5A (peak)
• Input Logic Compatibility: CMOS, TTL
• Propagation Delay: 55ns (typical)
• Shoot-Through Protection: Yes
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC4424YWM has a total 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 the low-side driver
5. HO - High-side gate driver output
6. SD - Shutdown input (active low)
7. GND - Ground reference
8. VCC - Positive supply voltage for the high-side driver

Functional Features

• High peak output current allows driving power MOSFETs and IGBTs efficiently.
• Wide input voltage range ensures compatibility with various logic levels.
• Low propagation delay enables fast switching times.
• Low shoot-through current prevents simultaneous conduction of high-side and low-side drivers.

Advantages and Disadvantages

Advantages: - High peak output current capability - Wide input voltage range for versatile applications - Low propagation delay for fast switching - Built-in shoot-through protection enhances reliability

Disadvantages: - Limited operating temperature range (-40°C to +125°C) - Requires external components for proper operation

Working Principles

The MIC4424YWM is a high-speed MOSFET and IGBT driver. It operates by receiving an input control signal (IN) and generating complementary output signals (LO and HO) to drive the gates of the power devices. The driver ensures efficient switching by providing high peak output current and minimizing propagation delay. Additionally, it incorporates shoot-through protection to prevent both high-side and low-side drivers from conducting simultaneously.

Detailed Application Field Plans

The MIC4424YWM is commonly used in various applications that require driving power MOSFETs and IGBTs. Some of the typical application fields include:

1. Motor Control: The driver can be utilized in motor control circuits to efficiently drive MOSFETs or IGBTs, enabling precise control of motor speed and direction.
2. Switching Power Supplies: It can be employed in switch-mode power supply designs to drive power switches, ensuring efficient power conversion.
3. LED Lighting: The driver finds application in LED lighting systems, where it enables fast switching of MOSFETs or IGBTs to control LED brightness.
4. Automotive Electronics: Due to its wide input voltage range and high peak output current, the driver is suitable for automotive applications such as electronic fuel injection systems and engine control units.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MIC4424YWM are:

1. IR2110: High and low side driver with independent inputs and outputs.
2. TC4427: Dual MOSFET driver with low input/output capacitance.
3. MAX4427: High-speed dual MOSFET driver with internal level shifting.

These alternative models provide options for designers based on specific requirements and preferences.

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