IR21094STRPBF

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Driver for high power MOSFETs and IGBTs in motor control and power conversion applications
• Characteristics:
  • High voltage level shifting
  • Gate drive supply range from 10V to 20V
  • Output current up to 210mA
  • Floating channel designed for bootstrap operation
• Package: Surface Mount (SMD)
• Essence: Provides a high voltage, high-speed power MOSFET and IGBT driver
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel

Specifications

• Supply Voltage Range: 10V to 20V
• Output Current: Up to 210mA
• Operating Temperature Range: -40°C to +125°C
• Input Logic Compatibility: CMOS, TTL
• Propagation Delay Time: 120ns (typical)
• Rise/Fall Time: 35ns (typical)

Detailed Pin Configuration

1. VCC: Power supply input
2. VB: Bootstrap supply input for high-side gate driver
3. HO: High-side gate driver output
4. LO: Low-side gate driver output
5. COM: Common connection for low-side gate driver and bootstrap capacitor
6. SD: Shutdown input for disabling the outputs
7. VS: High-side floating supply return
8. GND: Ground reference

Functional Features

• High voltage level shifting capability
• Floating channel for bootstrap operation
• Built-in shutdown feature for output disable
• Compatible with both CMOS and TTL logic inputs
• Fast switching speed for efficient power conversion
• Robust design for reliable operation in harsh environments

Advantages

• Enables efficient and precise control of high power MOSFETs and IGBTs
• Wide operating voltage range allows for versatile applications
• Fast switching speed reduces power losses and improves system efficiency
• Shutdown feature provides additional safety and control options
• Compact surface mount package saves board space

Disadvantages

• Requires external bootstrap capacitor for high-side gate driver operation
• Limited output current may not be suitable for extremely high power applications
• Not compatible with all types of logic inputs, may require level shifting circuitry in some cases

Working Principles

The IR21094STRPBF is a high voltage, high-speed power MOSFET and IGBT driver. It utilizes a bootstrap operation to provide the necessary voltage level shifting for driving high power devices. The IC takes input signals from a compatible logic source and generates corresponding gate drive signals for the high-side and low-side devices. The floating channel allows for efficient bootstrap operation, eliminating the need for a separate isolated power supply. The built-in shutdown feature enables easy control and protection of the outputs.

Detailed Application Field Plans

The IR21094STRPBF is commonly used in motor control and power conversion applications. Some specific application fields include: - Motor drives for industrial equipment - Power inverters for renewable energy systems - Uninterruptible Power Supplies (UPS) - Electric vehicle powertrain control - Switched-mode power supplies

Detailed and Complete Alternative Models

1. IR2104S: Similar functionality with lower output current capability
2. IR2110: Higher output current capability with additional features
3. IRS2106: Lower voltage level shifting capability but higher output current

Note: This is not an exhaustive list, and there are several other alternative models available in the market.

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