MIC4452BN

Product Overview

• Category: Integrated Circuit
• Use: Power MOSFET and IGBT Driver
• Characteristics:
  • High peak output current
  • Wide input voltage range
  • Low propagation delay
  • Short-circuit protection
• Package: DIP-8 (Dual In-line Package)
• Essence: High-performance power driver IC
• Packaging/Quantity: Tube, 50 pieces per tube

Specifications

• Supply Voltage: 4.5V to 18V
• Output Current: 12A (peak), 6A (continuous)
• Input Logic Levels: TTL/CMOS compatible
• Propagation Delay: 55ns (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC4452BN has a standard DIP-8 pin configuration:

____ IN1 |1 8| VDD IN2 |2 7| OUT GND |3 6| VBB IN3 |4 5| NC ------

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.
• Short-circuit protection prevents damage to the driver and the connected devices.

Advantages and Disadvantages

Advantages: - High output current capability - Wide input voltage compatibility - Fast switching speed - Built-in short-circuit protection

Disadvantages: - Limited number of input channels (only three inputs) - Non-isolated design may require additional circuitry for high-voltage applications

Working Principles

The MIC4452BN is designed to drive power MOSFETs and IGBTs in various applications. It accepts TTL/CMOS compatible input signals and provides a high peak output current to rapidly switch the connected devices. The driver's internal circuitry ensures low propagation delay, allowing efficient control of power switches. Additionally, the MIC4452BN incorporates short-circuit protection to safeguard against potential faults.

Application Field Plans

The MIC4452BN finds applications in various fields, including:

1. Motor Control: Driving MOSFETs or IGBTs in motor control circuits for precise speed and torque control.
2. Switching Power Supplies: Controlling power switches in high-frequency switching power supply designs.
3. LED Lighting: Driving high-power LEDs with efficient current control and fast switching capabilities.
4. Automotive Electronics: Powering automotive systems such as electric power steering, engine control units, and lighting systems.

Alternative Models

• MIC4451BN: Similar specifications and features, but with two input channels instead of three.
• IR2110: High-voltage/high-current gate driver IC with independent high and low side outputs.
• TC4427: Low-cost MOSFET driver with lower output current capability.

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