IR2101STR

Product Overview

Category: Integrated Circuit (IC)

Use: The IR2101STR is a high voltage, high-speed power MOSFET and IGBT driver IC. It is specifically designed to drive MOSFETs and IGBTs in half-bridge and full-bridge configurations.

Characteristics: - High voltage capability - High-speed switching - Low power consumption - Compact size - Robust design for reliable operation

Package: The IR2101STR is available in a small outline package (SOP) with 8 pins.

Essence: The essence of the IR2101STR lies in its ability to efficiently control and drive high-power MOSFETs and IGBTs, enabling precise switching and control in various applications.

Packaging/Quantity: The IR2101STR is typically sold in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage: 10V - 20V
• Output Current: ±210mA
• Operating Temperature Range: -40°C to +125°C
• Propagation Delay Time: 120ns (typical)
• Rise/Fall Time: 50ns (typical)
• Maximum Duty Cycle: 50%

Pin Configuration

The IR2101STR features the following pin configuration:

1. VCC: Power supply input
2. VB: High-side floating supply voltage
3. HO: High-side gate driver output
4. LO: Low-side gate driver output
5. COM: Common connection for low-side and high-side drivers
6. LIN: Logic input for low-side driver
7. HIN: Logic input for high-side driver
8. SD: Shutdown input for disabling the outputs

Functional Features

• High voltage level shifting
• Undervoltage lockout protection
• Overcurrent shutdown protection
• Shoot-through prevention logic
• Integrated bootstrap diode for high-side driver

Advantages and Disadvantages

Advantages: - High voltage capability allows driving of power MOSFETs and IGBTs in various applications - High-speed switching enables efficient operation and reduced power losses - Compact size facilitates integration into space-constrained designs - Robust design ensures reliable performance even in harsh environments

Disadvantages: - Limited maximum duty cycle may restrict certain applications requiring higher duty cycles - Requires external components for proper operation, such as bootstrap capacitors and resistors

Working Principles

The IR2101STR operates by receiving logic inputs (LIN and HIN) to control the gate drivers (LO and HO) for the low-side and high-side power devices. The IC incorporates level shifting and protection features to ensure safe and efficient switching of the MOSFETs or IGBTs.

Detailed Application Field Plans

The IR2101STR finds extensive use in various applications, including: 1. Motor drives 2. Switch-mode power supplies 3. Inverters 4. Uninterruptible power supplies (UPS) 5. Solar inverters 6. Electric vehicle charging systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the IR2101STR are: 1. IR2110 2. IRS21844 3. TC4427 4. MAX4427 5. HIP4081A

These alternative models offer similar functionality and can be used as replacements depending on specific requirements and availability.

In conclusion, the IR2101STR is a versatile IC designed for driving high-power MOSFETs and IGBTs. Its high voltage capability, compact size, and robust design make it suitable for a wide range of applications. However, its limited maximum duty cycle and external component requirements should be taken into consideration. Alternative models such as IR2110, IRS21844, TC4427, MAX4427, and HIP4081A can be considered as substitutes based on specific needs.