MIC4428ZM-TR

Product Overview

Category

The MIC4428ZM-TR belongs to the category of integrated circuit (IC) drivers.

Use

It is primarily used for driving power MOSFETs and IGBTs in various applications.

Characteristics

• High peak output current capability
• Wide operating voltage range
• Low propagation delay
• Fast rise and fall times
• Low input threshold voltage
• Thermal shutdown protection

Package

The MIC4428ZM-TR is available in a small outline package (SOIC) with 8 pins.

Essence

This IC driver is designed to provide efficient and reliable switching control for power MOSFETs and IGBTs.

Packaging/Quantity

The MIC4428ZM-TR is typically packaged in reels, containing 2500 units per reel.

Specifications

• Supply Voltage: 4.5V to 18V
• Output Current: ±1.5A
• Input Threshold Voltage: 2.5V (typical)
• Propagation Delay: 25ns (typical)
• Rise/Fall Time: 15ns (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

1. VDD - Power supply voltage
2. IN - Input control signal
3. LO - Low-side gate driver output
4. COM - Common ground
5. HO - High-side gate driver output
6. SD - Shutdown input (active low)
7. VS - Bootstrap supply voltage
8. VB - High-side floating supply return

Functional Features

• High peak output current allows efficient switching of power MOSFETs and IGBTs.
• Wide operating voltage range enables compatibility with various power supply systems.
• Low propagation delay ensures fast response time for precise control.
• Fast rise and fall times minimize power losses during switching transitions.
• Low input threshold voltage allows compatibility with low-level control signals.
• Thermal shutdown protection prevents damage due to excessive temperature.

Advantages

• Robust and reliable performance in demanding applications.
• Compact package size for space-constrained designs.
• Wide operating temperature range for versatility in different environments.
• Efficient power management through precise control of MOSFETs and IGBTs.
• Protection features enhance system reliability and prevent component damage.

Disadvantages

• Limited output current compared to some high-power applications.
• Requires external bootstrap supply for high-side gate driver operation.
• Not suitable for extremely high-frequency switching applications.

Working Principles

The MIC4428ZM-TR operates by receiving an input control signal (IN) and generating corresponding gate drive signals for the high-side (HO) and low-side (LO) outputs. These gate drive signals control the conduction and blocking of power MOSFETs or IGBTs, enabling efficient switching operations. The IC incorporates protection features such as thermal shutdown (SD) to safeguard against excessive temperatures.

Detailed Application Field Plans

The MIC4428ZM-TR is widely used in various applications, including:

1. Motor control systems
2. Switching power supplies
3. LED lighting drivers
4. DC-DC converters
5. Automotive electronics
6. Industrial automation

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MIC4428ZM-TR include:

1. IR2110
2. TC4427
3. MAX4428
4. HIP4081A
5. IRS21844

These alternative models can be considered based on specific application requirements and design constraints.

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