MIC4467ZN

Product Overview

• Category: Integrated Circuit
• Use: Power MOSFET and IGBT Driver
• Characteristics: High-speed, high-current, low-side driver
• Package: 8-pin PDIP (Plastic Dual In-line Package)
• Essence: Efficiently drive power MOSFETs and IGBTs in various applications
• Packaging/Quantity: Tube packaging, 50 units per tube

Specifications

• Supply Voltage: 4.5V to 18V
• Output Current: 1.4A peak, 0.5A continuous
• Input Threshold Voltage: 2.5V typical, 3.5V maximum
• Propagation Delay: 35ns typical, 50ns maximum
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC4467ZN has the following pin configuration:

1. VDD - Supply voltage input
2. IN - Input control signal
3. GND - Ground reference
4. LO - Low-side output
5. COM - Common connection for bootstrap capacitor
6. HO - High-side output
7. VS - High-side floating supply voltage
8. VBS - Bootstrap supply voltage

Functional Features

• High-speed switching capability
• High-current drive capability
• Low-side driver with bootstrap supply
• Built-in undervoltage lockout protection
• Short-circuit protection
• Thermal shutdown protection

Advantages and Disadvantages

Advantages: - Fast switching speed improves system efficiency - High-current drive capability enables driving of power MOSFETs and IGBTs - Undervoltage lockout protection ensures reliable operation - Short-circuit and thermal shutdown protection enhance safety

Disadvantages: - Limited output current compared to some other driver ICs - Requires external bootstrap capacitor for high-side drive

Working Principles

The MIC4467ZN is designed to efficiently drive power MOSFETs and IGBTs in various applications. It operates by receiving an input control signal (IN) which determines the state of the low-side output (LO). The high-side output (HO) is driven using a bootstrap supply voltage (VBS) and a common connection for the bootstrap capacitor (COM). The device incorporates undervoltage lockout, short-circuit protection, and thermal shutdown features to ensure safe and reliable operation.

Detailed Application Field Plans

The MIC4467ZN is widely used in the following application fields:

1. Motor control systems
2. Switch-mode power supplies
3. DC-DC converters
4. Inverters
5. LED lighting systems
6. Automotive electronics
7. Industrial automation

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the MIC4467ZN are:

1. IR2110 - High and low-side driver IC
2. TC4420 - Dual MOSFET driver IC
3. HIP4081A - H-Bridge driver IC
4. MAX4420 - High-speed MOSFET driver IC
5. DRV8301 - Three-phase motor driver IC

These alternative models offer similar functionality and can be suitable replacements depending on specific requirements.

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