MIC4428BMM-TR

Product Overview

Category

The MIC4428BMM-TR belongs to the category of integrated circuits (ICs) specifically designed for driving capacitive, resistive, or inductive loads.

Use

This product is commonly used as a high-speed, low-side MOSFET driver. It provides a reliable and efficient solution for controlling power switches in various applications.

Characteristics

• High peak output current capability
• Fast rise and fall times
• Wide operating voltage range
• Low quiescent current
• Thermal shutdown protection
• Undervoltage lockout protection

Package

The MIC4428BMM-TR is available in a miniature 8-pin MSOP (Mini Small Outline Package) with exposed pad for enhanced thermal dissipation.

Essence

The essence of the MIC4428BMM-TR lies in its ability to provide robust and precise control over power switches, ensuring efficient and safe operation of various electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 4.5V to 18V
• Peak Output Current: 1.8A
• Quiescent Current: 150µA
• Rise/Fall Time: 25ns
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC4428BMM-TR features an 8-pin MSOP package with the following pin configuration:

1. VDD - Power supply input
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. VBS - Bootstrap supply voltage
8. VB - High-side floating supply return

Functional Features

• High-speed switching capability for efficient power control
• Low quiescent current for reduced power consumption
• Thermal shutdown protection to prevent overheating
• Undervoltage lockout protection to ensure reliable operation under low voltage conditions

Advantages and Disadvantages

Advantages

• High peak output current allows driving of various loads
• Fast rise and fall times enable precise control of power switches
• Wide operating voltage range provides flexibility in different applications
• Thermal shutdown and undervoltage lockout protection enhance system reliability

Disadvantages

• Limited number of pins may restrict the number of external components that can be connected directly to the IC
• Requires careful consideration of thermal management due to its small package size

Working Principles

The MIC4428BMM-TR operates by receiving an input control signal (IN) and generating corresponding gate drive signals (LO and HO) to control the switching of a power MOSFET. The bootstrap supply voltage (VBS) is used to provide the necessary gate drive voltage for the high-side MOSFET.

Detailed Application Field Plans

The MIC4428BMM-TR finds application in various fields, including but not limited to: - Motor control systems - Power supplies - DC-DC converters - LED lighting - Solenoid drivers - Relay drivers

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MIC4428BMM-TR include: - IR2110 - TC4427 - MAX4428 - HIP4081A

These alternatives should be evaluated based on specific requirements and compatibility with the target application.

In conclusion, the MIC4428BMM-TR is a versatile and efficient MOSFET driver IC, offering high-speed switching, wide voltage range, and various protection features. Its compact package and excellent performance make it suitable for a wide range of applications in different industries.

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