MIC4427CM

Product Overview

• Category: Integrated Circuit
• Use: Power MOSFET Driver
• Characteristics: High-speed, high-current, low-side driver
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Provides a high current drive capability for power MOSFETs
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 4.5V to 18V
• Output Current: 1.5A (peak), 0.5A (continuous)
• Rise/Fall Time: 25ns (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

1. VDD: Supply voltage input
2. GND: Ground reference
3. IN: Input control signal
4. LO: Low-side output
5. HO: High-side output
6. NC: No connection
7. VS: Bootstrap supply voltage
8. VB: High-side floating supply voltage

Functional Features

• High-speed switching: The MIC4427CM is designed to provide fast switching times, allowing efficient control of power MOSFETs.
• High-current drive capability: With a peak output current of 1.5A and continuous output current of 0.5A, this driver can handle demanding applications.
• Low-side driver: The MIC4427CM is specifically designed as a low-side driver, providing a ground-referenced output for driving the low side of a power MOSFET.

Advantages and Disadvantages

Advantages: - Fast rise/fall times enable efficient switching - High-current drive capability allows for demanding applications - Ground-referenced output simplifies circuit design

Disadvantages: - Limited to low-side driving only - Requires external bootstrap and high-side floating supply voltages

Working Principles

The MIC4427CM is a power MOSFET driver that utilizes a high-speed, low-side driver architecture. It receives an input control signal (IN) and generates corresponding output signals for the low side (LO) and high side (HO) of a power MOSFET. The bootstrap supply voltage (VS) and high-side floating supply voltage (VB) are required to provide the necessary gate drive voltages.

Detailed Application Field Plans

The MIC4427CM is commonly used in various applications where efficient control of power MOSFETs is required. Some typical application fields include:

1. Switching Power Supplies: The high-speed switching capability of the MIC4427CM makes it suitable for use in switch-mode power supplies, enabling efficient conversion of electrical energy.
2. Motor Control: This driver can be utilized in motor control circuits to drive power MOSFETs that control the speed and direction of motors.
3. LED Lighting: The MIC4427CM can be employed in LED lighting applications to drive power MOSFETs that regulate the current flowing through LEDs.
4. Audio Amplifiers: By driving power MOSFETs in audio amplifier circuits, the MIC4427CM enables efficient amplification of audio signals.

Detailed and Complete Alternative Models

• IR2110: A high-voltage, high-speed power MOSFET driver with similar characteristics and functionality.
• TC4427: A low-side MOSFET driver with comparable specifications and pin configuration.
• MAX4427: An integrated MOSFET driver with enhanced protection features and wider operating temperature range.

Note: The above alternative models are provided as examples and may not cover all available alternatives.

This entry provides an overview of the MIC4427CM, a power MOSFET driver. It includes information on its category, use, characteristics, package, essence, packaging/quantity, specifications, pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.