IR2181STRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: The IR2181STRPBF is a high-speed power MOSFET and IGBT driver designed for use in various applications that require efficient switching of power devices. It provides the necessary voltage and current levels to control the switching characteristics of these devices.

Characteristics: - High-speed switching capability - Wide input voltage range - Low power consumption - Protection features against overcurrent and overtemperature conditions

Package: The IR2181STRPBF is available in a small outline package (SOP) with 8 pins. This compact package allows for easy integration into circuit designs.

Essence: The essence of the IR2181STRPBF lies in its ability to drive power MOSFETs and IGBTs efficiently, enabling precise control over power switching operations.

Packaging/Quantity: The IR2181STRPBF is typically packaged in reels or tubes, containing a quantity of 250 units per package.

Specifications

• Input Voltage Range: 10V - 20V
• Output Current: 2A
• Operating Temperature Range: -40°C to 125°C
• Supply Voltage: 5V - 20V
• Propagation Delay Time: 100ns

Pin Configuration

The IR2181STRPBF features the following pin configuration:

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

Functional Features

• High-speed switching: The IR2181STRPBF enables fast switching of power MOSFETs and IGBTs, reducing power losses and improving overall system efficiency.
• Wide input voltage range: It can operate with a wide range of input voltages, providing flexibility in various applications.
• Protection features: The IC incorporates protection mechanisms to prevent damage due to overcurrent and overtemperature conditions, ensuring the safety and reliability of the system.

Advantages and Disadvantages

Advantages: - Efficient power switching - Wide input voltage range - Compact package size - Protection against overcurrent and overtemperature conditions

Disadvantages: - Limited output current capacity (2A) - Requires external bootstrap capacitor for high-side gate driver operation

Working Principles

The IR2181STRPBF operates by receiving logic inputs from a microcontroller or other control circuitry. Based on these inputs, it generates the necessary gate drive signals to control the power MOSFETs or IGBTs. By modulating the gate voltage, it regulates the conduction and blocking states of these devices, enabling efficient power switching.

Detailed Application Field Plans

The IR2181STRPBF finds application in various fields, including:

1. Motor control systems
2. Switch-mode power supplies
3. Inverters for renewable energy systems
4. Industrial automation equipment
5. Electric vehicle powertrain control

In these applications, the IR2181STRPBF plays a crucial role in driving power devices, ensuring reliable and efficient operation.

Detailed and Complete Alternative Models

1. IR21814S: Similar functionality with additional fault protection features
2. IR2183: Dual-channel version for driving two power devices simultaneously
3. IR2110: General-purpose high-voltage driver IC for power electronics applications

These alternative models offer similar capabilities and can be considered based on specific requirements and design constraints.

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