MIC4425YWM

Product Overview

• Category: Integrated Circuit
• Use: Driver for MOSFETs and IGBTs
• Characteristics:
  • High peak output current
  • Wide input voltage range
  • Low propagation delay
  • Short-circuit protection
• Package: SOIC-8
• Essence: Power MOSFET and IGBT driver
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

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

Pin Configuration

The MIC4425YWM has the following pin configuration:

```

---

| | --| VDD GND |-- Pin 1: Supply Voltage (VDD) / Ground (GND) --| IN LO |-- Pin 2: Input (IN) / Low-Side Output (LO) --| HO HO |-- Pin 3: High-Side Output (HO) --| VB VB |-- Pin 4: Bootstrap Supply (VB) |___________| ```

Functional Features

• High peak output current allows driving power MOSFETs and IGBTs efficiently.
• Wide input voltage range enables compatibility with various logic levels.
• Low propagation delay ensures fast switching performance.
• Short-circuit protection prevents damage to the driver and the driven device.

Advantages

• Robust design suitable for demanding industrial applications.
• High output current capability enables driving high-power devices.
• Wide input voltage range provides flexibility in different circuit designs.
• Short-circuit protection enhances system reliability.

Disadvantages

• Limited to driving MOSFETs and IGBTs, not suitable for other types of devices.
• Requires an external bootstrap supply for high-side gate drive.

Working Principles

The MIC4425YWM is a high-speed MOSFET and IGBT driver. It utilizes a bootstrap technique to provide the necessary voltage level for driving the high-side gate. The input signal controls the output stage, which in turn drives the gate of the power device. The driver ensures fast switching transitions and provides protection against short-circuits.

Application Field Plans

The MIC4425YWM is commonly used in various applications, including:

1. Motor control systems
2. Switch-mode power supplies
3. Inverters and converters
4. Industrial automation
5. Automotive electronics

Alternative Models

Here are some alternative models that can be considered:

1. IR2110: High and low-side driver with independent inputs
2. TC4427: Low-power MOSFET driver with similar characteristics
3. MAX4420: Dual MOSFET driver with integrated charge pump

These alternatives offer similar functionality and can be used as substitutes depending on specific requirements.

In conclusion, the MIC4425YWM is a high-performance MOSFET and IGBT driver with excellent characteristics and wide application possibilities. Its robust design, high output current, and short-circuit protection make it suitable for demanding industrial applications. However, it is important to consider alternative models based on specific needs and requirements.