IRS21094STRPBF

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management and Control
• Characteristics: High Voltage, Half-Bridge Gate Driver IC
• Package: Surface Mount (SMD)
• Essence: Efficiently drives high-power MOSFETs in half-bridge configurations
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 10V to 20V
• Output Current: 290mA
• Operating Temperature Range: -40°C to +125°C
• Supply Voltage Range: 10V to 20V
• Rise Time: 50ns
• Fall Time: 30ns
• Propagation Delay: 75ns
• Maximum Duty Cycle: 50%
• Fault Protection: Overcurrent, Overtemperature, Undervoltage Lockout

Detailed Pin Configuration

1. VCC: Supply voltage 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. COM: Common ground
7. SD: Shutdown input
8. RT: Deadtime control resistor connection
9. CT: Bootstrap capacitor connection
10. FB: Feedback input
11. CS: Current sense input
12. VREF: Reference voltage output
13. AGND: Analog ground
14. PGND: Power ground
15. NC: No Connection

Functional Features

• High voltage level shifting capability
• Integrated bootstrap diode for high-side gate drive
• Adaptive shoot-through protection
• Programmable deadtime control
• Overcurrent protection with adjustable threshold
• Overtemperature protection with thermal shutdown
• Undervoltage lockout for reliable operation
• Error amplifier for closed-loop control

Advantages

• Efficiently drives high-power MOSFETs in half-bridge configurations
• Provides reliable and precise power management and control
• Offers comprehensive fault protection features
• Programmable deadtime control enhances system performance
• High voltage level shifting capability simplifies circuit design

Disadvantages

• Limited maximum duty cycle of 50%
• Requires external components for proper operation
• Sensitive to electromagnetic interference (EMI)
• Relatively high cost compared to simpler gate driver ICs

Working Principles

The IRS21094STRPBF is a high voltage, half-bridge gate driver IC designed to efficiently drive high-power MOSFETs in various applications. It utilizes a bootstrap supply voltage to generate the necessary gate drive voltages for both the high-side and low-side MOSFETs. The integrated level shifting capability ensures proper gate drive signals even at high voltages.

The IC incorporates adaptive shoot-through protection, which prevents both MOSFETs from conducting simultaneously, reducing power losses and improving overall efficiency. The programmable deadtime control allows users to adjust the time between turning off one MOSFET and turning on the other, preventing shoot-through current.

Furthermore, the IRS21094STRPBF offers comprehensive fault protection features, including overcurrent protection with adjustable threshold, overtemperature protection with thermal shutdown, and undervoltage lockout. These protections enhance system reliability and prevent damage to the IC and connected components.

The IC also includes an error amplifier, allowing closed-loop control for precise power management. By providing a reference voltage output, it enables feedback control and regulation in various power conversion applications.

Detailed Application Field Plans

The IRS21094STRPBF is widely used in applications requiring efficient power management and control, such as: 1. Motor Drives: Used in electric vehicles, industrial machinery, and robotics to control motor speed and torque. 2. Switched-Mode Power Supplies (SMPS): Utilized in computer power supplies, telecommunication equipment, and LED lighting systems for efficient power conversion. 3. Solar Inverters: Employed in photovoltaic systems to convert DC power from solar panels into AC power for grid connection. 4. Uninterruptible Power Supplies (UPS): Used to provide backup power during mains power failures, ensuring continuous operation of critical systems.

Detailed and Complete Alternative Models

1. IRS2101STRPBF: High and low-side gate driver IC with similar features but lower voltage rating.
2. IRS21844SPBF: Half-bridge gate driver IC with additional integrated current sensing and protection features.
3. IR2110SPBF: High voltage, high-speed power MOSFET and IGBT driver IC suitable for various power applications.

Note: The above alternative models are provided as examples and not an exhaustive list.

In conclusion, the IRS21094STRPBF is a high voltage, half-bridge gate driver IC that efficiently drives high-power MOSFETs in various applications. With its comprehensive fault protection features, programmable deadtime control, and adaptive shoot