MIC4467BWM

Product Overview

• Category: Integrated Circuit
• Use: Power MOSFET Driver
• Characteristics: High-Speed, Low-Side, Non-Inverting
• Package: SOIC-8
• Essence: Efficiently drives power MOSFETs in various applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 4.5V to 18V
• Output Current: 1.2A (peak)
• Propagation Delay: 25ns (typical)
• Rise/Fall Time: 15ns (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC4467BWM has a total of 8 pins arranged as follows:

___________ | | VDD|1 8|OUT IN+|2 7|GND IN-|3 6|LO VSS|4 5|HO |___________|

Functional Features

• High-speed switching capability
• Non-inverting logic input
• Low-side driver configuration
• Wide operating voltage range
• Short-circuit protection
• Under-voltage lockout

Advantages and Disadvantages

Advantages

• Fast propagation delay and rise/fall times
• Suitable for high-frequency applications
• Provides efficient power MOSFET switching
• Offers short-circuit protection for enhanced reliability
• Wide operating temperature range allows for versatile use

Disadvantages

• Limited output current compared to some other drivers
• Requires an external power supply

Working Principles

The MIC4467BWM is designed to drive power MOSFETs efficiently. It operates as a low-side driver, providing a non-inverting logic input to control the MOSFET's switching behavior. The device accepts a supply voltage ranging from 4.5V to 18V and can deliver a peak output current of 1.2A. It features short-circuit protection and under-voltage lockout for added safety and reliability.

Detailed Application Field Plans

The MIC4467BWM is commonly used in various applications that require high-speed switching of power MOSFETs. Some typical application fields include:

1. Motor Control: The driver can be utilized in motor control circuits to efficiently drive MOSFETs for precise speed and direction control.
2. Switching Power Supplies: It can be employed in switch-mode power supplies to regulate the power flow and improve efficiency.
3. LED Lighting: The driver is suitable for driving MOSFETs in LED lighting applications, enabling efficient and reliable control of brightness levels.
4. Audio Amplifiers: It can be integrated into audio amplifier circuits to enhance the performance and efficiency of the amplification process.

Detailed and Complete Alternative Models

• IR2104: High and low side driver with similar specifications
• TC4420: Dual MOSFET driver with complementary outputs
• MAX4420: Low-side MOSFET driver with adjustable output current

These alternative models offer similar functionality and can be considered as substitutes for the MIC4467BWM in various applications.

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