IR21814STRPBF

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Driver for high-speed power MOSFETs and IGBTs
• Characteristics:
  • High voltage level shifting
  • Fast switching speed
  • Low propagation delay
  • High noise immunity
• Package: Surface Mount Device (SMD)
• Essence: Power MOSFET and IGBT driver IC
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 10V to 20V
• Output Current: 2A
• Input Logic Level: CMOS/TTL compatible
• Operating Temperature Range: -40°C to +125°C
• Isolation Voltage: 2500Vrms

Detailed Pin Configuration

1. VCC: Supply voltage input
2. VB: High-side floating supply voltage input
3. HO: High-side gate driver output
4. LO: Low-side gate driver output
5. COM: Common ground connection
6. LIN: Logic input for low-side gate driver
7. HIN: Logic input for high-side gate driver
8. VSS: Ground reference

Functional Features

• High voltage level shifting capability enables driving of high-side power devices
• Fast switching speed allows for efficient power conversion
• Low propagation delay ensures precise timing control
• High noise immunity provides reliable operation in noisy environments

Advantages

• Compact SMD package saves board space
• Wide operating temperature range allows for versatile applications
• High isolation voltage ensures safety in high-voltage systems
• CMOS/TTL compatible logic inputs simplify interfacing with microcontrollers

Disadvantages

• Limited output current may not be suitable for driving certain power devices
• Requires an external bootstrap capacitor for high-side gate drive

Working Principles

The IR21814STRPBF is a high-speed power MOSFET and IGBT driver IC. It utilizes a high voltage level shifting technique to drive the high-side power devices efficiently. The logic inputs control the gate driver outputs, which in turn control the switching of the power devices. The IC provides isolation between the input and output sides for safety purposes.

Detailed Application Field Plans

The IR21814STRPBF is commonly used in various applications, including: - Motor drives - Switch-mode power supplies - Inverters - Uninterruptible Power Supplies (UPS) - Industrial automation systems

Detailed and Complete Alternative Models

1. IR21814S: Similar specifications and features, but with a different package (DIP)
2. IRS21814SPBF: Higher output current capability (4A), otherwise similar specifications
3. IR2110: Dual high and low side driver with higher output current (2.5A)

(Note: This list is not exhaustive and there may be other alternative models available in the market.)

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