IR2184S

Product Overview

Category: Integrated Circuit (IC)

Use: The IR2184S is a high-performance half-bridge gate driver IC designed for driving MOSFETs and IGBTs in various applications.

Characteristics: - High voltage level shifting - Low propagation delay times - Wide operating voltage range - High output current capability - Protection features against over-current and under-voltage conditions

Package: The IR2184S is available in a compact surface-mount SOIC-8 package.

Essence: This IC serves as a crucial component in power electronics systems, enabling efficient and reliable switching of power devices.

Packaging/Quantity: The IR2184S is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 10V to 20V
• Output Current: 200mA
• Propagation Delay Time: 120ns
• Operating Temperature Range: -40°C to 125°C
• Input Logic Compatibility: CMOS, TTL

Pin Configuration

The IR2184S features an 8-pin configuration with the following pin assignments:

1. VCC: Power supply input
2. HO: High-side gate drive output
3. LO: Low-side gate drive output
4. VB: Bootstrap supply voltage input
5. VS: High-side floating supply return
6. COM: Common connection for low-side and bootstrap circuits
7. LIN: Logic input
8. SD: Shutdown input

Functional Features

• High voltage level shifting: Enables efficient control of high-side and low-side power devices.
• Fast propagation delay times: Ensures precise timing and minimal dead time between switching transitions.
• Wide operating voltage range: Allows compatibility with a variety of power supply voltages.
• High output current capability: Facilitates driving of power MOSFETs and IGBTs with low gate capacitance.
• Protection features: Incorporates over-current and under-voltage protection mechanisms to safeguard the system.

Advantages and Disadvantages

Advantages: - High-performance gate driver for power electronics applications - Compact surface-mount package for space-constrained designs - Robust protection features enhance system reliability - Wide operating voltage range offers flexibility in various applications

Disadvantages: - Limited output current compared to some specialized gate drivers - Not suitable for extremely high-power applications

Working Principles

The IR2184S operates by receiving logic input signals, which are then level-shifted to drive the high-side and low-side gate outputs. The bootstrap supply voltage is utilized to ensure proper gate drive voltages for the high-side power device. The IC incorporates protection features to prevent damage due to over-current or under-voltage conditions.

Detailed Application Field Plans

The IR2184S finds extensive use in various applications, including: 1. Motor control systems 2. Switch-mode power supplies 3. Inverters and converters 4. Industrial automation 5. Solar inverters 6. Uninterruptible power supplies (UPS) 7. Electric vehicle charging systems

Detailed and Complete Alternative Models

1. IR2110: Similar half-bridge gate driver IC with higher output current capability.
2. IRS21844: Integrated half-bridge gate driver with additional protection features.
3. MCP1407: MOSFET driver IC with similar functionality but lower output current capability.

These alternative models offer different specifications and features, allowing users to choose the most suitable option based on their specific requirements.

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