MIC4421AZM-TR

Product Overview

Category

MIC4421AZM-TR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used as a high-speed, dual MOSFET driver.

Characteristics

• High peak output current capability
• Wide operating voltage range
• Low supply current
• Fast rise and fall times
• Matched propagation delay for both channels
• Low output impedance

Package

MIC4421AZM-TR is available in a small outline package (SOIC) with 8 pins.

Essence

The essence of this product lies in its ability to drive MOSFETs efficiently and reliably, enabling precise control over power electronics applications.

Packaging/Quantity

MIC4421AZM-TR is typically packaged in reels, containing 2500 units per reel.

Specifications

• Supply Voltage Range: 4.5V to 18V
• Peak Output Current: 1.5A
• Propagation Delay: 25ns
• Rise/Fall Time: 15ns
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

1. VDD - Positive supply voltage
2. IN1 - Input for Channel 1
3. GND - Ground
4. OUT1 - Output for Channel 1
5. IN2 - Input for Channel 2
6. VSS - Negative supply voltage
7. OUT2 - Output for Channel 2
8. VBB - Bootstrap supply voltage

Functional Features

• High-speed switching capability
• Dual-channel design for driving two MOSFETs simultaneously
• Integrated bootstrap diode for efficient operation
• Protection against shoot-through currents
• Undervoltage lockout (UVLO) protection
• Thermal shutdown protection

Advantages and Disadvantages

Advantages

• High peak output current allows for driving power MOSFETs efficiently
• Wide operating voltage range provides flexibility in various applications
• Fast rise and fall times enable precise control over switching operations
• Matched propagation delay ensures balanced operation of both channels
• Low output impedance minimizes power losses

Disadvantages

• Limited to driving MOSFETs and not suitable for other types of devices
• Requires external bootstrap capacitor for proper operation
• Relatively high cost compared to simpler driver solutions

Working Principles

MIC4421AZM-TR operates by receiving input signals through IN1 and IN2 pins, which control the corresponding outputs OUT1 and OUT2. The inputs are amplified and used to drive the gate of the connected MOSFETs. The integrated bootstrap diode generates a higher voltage level required for efficient MOSFET switching. The device also incorporates protection features such as undervoltage lockout and thermal shutdown to ensure safe and reliable operation.

Detailed Application Field Plans

MIC4421AZM-TR finds extensive use in various applications, including: - Motor control systems - Switching power supplies - DC-DC converters - Inverters - LED lighting systems - Battery charging circuits

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to MIC4421AZM-TR are: - IR2104 - TC4420 - MAX4420 - HIP4081A - LTC4440

These models offer similar functionality and characteristics, providing options for different design requirements.

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