IRS21064PBF

Product Overview

Category: Integrated Circuit (IC)

Use: The IRS21064PBF is a high-performance, single-phase full-bridge gate driver IC. It is specifically designed for driving MOSFETs and IGBTs in various power applications.

Characteristics: - High voltage capability - Low propagation delay - High noise immunity - Wide operating temperature range - Robust protection features

Package: The IRS21064PBF is available in a compact and industry-standard 16-pin SOIC (Small Outline Integrated Circuit) package.

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

Packaging/Quantity: The IRS21064PBF is typically sold in reels containing 250 units per reel.

Specifications

• Supply Voltage Range: 10V to 20V
• Output Current: ±2A
• Operating Temperature Range: -40°C to +125°C
• Maximum PWM Frequency: 1MHz
• Undervoltage Lockout (UVLO) Threshold: 9.5V
• Fault Shutdown Delay Time: 4μs

Detailed Pin Configuration

The IRS21064PBF features the following pin configuration:

1. VCC: Power supply input
2. HO: High-side gate driver output
3. LO: Low-side gate driver output
4. VB: Bootstrap supply voltage input
5. VS: High-side floating supply return
6. HS: High-side floating supply input
7. LS: Low-side floating supply input
8. COM: Common reference point
9. SD: Shutdown input
10. RT: Dead time control resistor
11. CT: Oscillator timing capacitor
12. DT: Dead time control capacitor
13. FB: Feedback input
14. CS: Current sense input
15. VREF: Reference voltage output
16. AGND: Analog ground

Functional Features

• High-speed gate drive capability
• Integrated bootstrap diode for high-side driver
• Programmable dead time for optimized switching performance
• Overcurrent protection with adjustable threshold
• Undervoltage lockout protection
• Fault shutdown and fault reporting functionality

Advantages and Disadvantages

Advantages: - High voltage capability allows for use in a wide range of power applications - Low propagation delay ensures fast and efficient switching - Robust protection features enhance system reliability - Compact package size enables space-saving designs

Disadvantages: - Limited to single-phase full-bridge applications - Requires external components for proper operation

Working Principles

The IRS21064PBF operates by receiving control signals from a microcontroller or other control circuitry. It generates the necessary gate drive signals to switch the MOSFETs or IGBTs in a full-bridge configuration. The integrated bootstrap diode simplifies the high-side driver design, while the programmable dead time feature optimizes switching performance.

Detailed Application Field Plans

The IRS21064PBF is widely used in various power electronics applications, including: - Motor drives - Uninterruptible Power Supplies (UPS) - Solar inverters - Switched-mode power supplies - Industrial automation systems

Detailed and Complete Alternative Models

1. IRS2101PBF: Similar functionality, but designed for half-bridge configurations.
2. IRS21844SPBF: Dual-channel version with independent inputs for driving two half-bridges.
3. IRS2336DJ: Three-phase bridge driver IC with integrated current sensing.

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

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