IRS21281STRPBF

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management and Control
• Characteristics: High voltage, high-speed power MOSFET and IGBT driver
• Package: Surface Mount Device (SMD)
• Essence: Provides gate drive for power MOSFETs and IGBTs in various applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 10V to 20V
• Output Current: ±2.5A
• Supply Voltage Range: 10V to 20V
• Operating Temperature Range: -40°C to +125°C
• Rise/Fall Time: 35ns (typical)
• Propagation Delay: 75ns (typical)

Detailed Pin Configuration

1. VCC: Supply voltage input
2. HO: High-side gate driver output
3. LO: Low-side gate driver output
4. COM: Common connection for the gate driver outputs
5. SD: Shutdown input
6. VB: Bootstrap supply voltage input
7. VS: High-side floating supply return
8. HS: High-side floating supply input
9. LS: Low-side floating supply input
10. GND: Ground reference

Functional Features

• High voltage level shifting capability
• Integrated bootstrap diode
• Under-voltage lockout protection
• Over-current protection
• Short-circuit protection
• Fault reporting output
• Adjustable dead time control
• Miller clamp functionality

Advantages

• High-speed switching capability
• Wide operating temperature range
• Comprehensive protection features
• Compact SMD package for space-constrained applications
• Easy integration into existing circuit designs

Disadvantages

• Limited output current compared to some other drivers
• Requires external bootstrap capacitor for proper operation
• Not suitable for low voltage applications

Working Principles

The IRS21281STRPBF is a high-voltage gate driver IC designed to provide efficient and reliable drive signals for power MOSFETs and IGBTs. It utilizes level shifting techniques to ensure proper gate control at high voltages. The integrated bootstrap diode simplifies the design by eliminating the need for an external diode. The device incorporates various protection features to safeguard against over-current, under-voltage, and short-circuit conditions.

Detailed Application Field Plans

The IRS21281STRPBF is widely used in applications such as motor drives, switch-mode power supplies, solar inverters, uninterruptible power supplies (UPS), and industrial automation systems. Its high-speed switching capability and comprehensive protection features make it suitable for demanding environments where efficient power management and control are crucial.

Detailed and Complete Alternative Models

1. IRS2186PBF: High and Low-Side Driver IC
2. IRS2104PBF: Half-Bridge Gate Driver IC
3. IRS2336SPBF: Three-Phase Bridge Driver IC
4. IRS2453DPBF: Full-Bridge Gate Driver IC
5. IRS20957SPBF: Class D Audio Amplifier Driver IC

These alternative models offer similar functionality and can be considered based on specific application requirements.

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