IR2105STR

Product Overview

Category: Integrated Circuit (IC)

Use: The IR2105STR is a high voltage, high-speed power MOSFET and IGBT driver. It is specifically designed to drive both the high-side and low-side switches in half-bridge and full-bridge configurations.

Characteristics: - High voltage capability - Fast switching speed - Low propagation delay - High noise immunity - Compact package size

Package: The IR2105STR is available in a small outline package (SOP) with 8 pins.

Essence: The essence of the IR2105STR lies in its ability to efficiently control and drive power MOSFETs and IGBTs in various bridge configurations.

Packaging/Quantity: The IR2105STR is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage: 10V - 20V
• Output Current: 200mA
• Operating Temperature Range: -40°C to +125°C
• Maximum Propagation Delay: 150ns
• Maximum Rise/Fall Time: 50ns

Pin Configuration

The IR2105STR has the following pin configuration:

1. VCC: Power supply for the IC
2. VB: Bootstrap supply voltage for the high-side gate driver
3. HO: High-side gate driver output
4. LO: Low-side gate driver output
5. COM: Common ground for the IC
6. LIN: Logic input for the low-side gate driver
7. SD: Shutdown input for disabling the outputs
8. VS: Supply voltage for the high-side gate driver

Functional Features

• High voltage level shifting
• Undervoltage lockout protection
• Overcurrent shutdown protection
• Shoot-through protection
• Adjustable dead time control
• Integrated bootstrap diode

Advantages and Disadvantages

Advantages: - High voltage capability allows for driving power MOSFETs and IGBTs in various applications - Fast switching speed enables efficient power conversion - Low propagation delay ensures accurate timing control - High noise immunity provides reliable operation in noisy environments - Compact package size allows for space-saving designs

Disadvantages: - Limited output current may not be suitable for high-power applications - Requires external components for proper operation - Not compatible with all types of power switches

Working Principles

The IR2105STR operates by receiving logic input signals and generating corresponding gate drive signals to control the power switches. It utilizes a bootstrap circuit to provide the necessary voltage level shifting for the high-side gate driver. The integrated protection features ensure safe operation and prevent damage to the IC and connected devices.

Detailed Application Field Plans

The IR2105STR is commonly used in the following applications:

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

1. IR2104STR: Similar to IR2105STR, but with lower output current capability.
2. IR2110STR: Higher voltage and current capability compared to IR2105STR.
3. IRS2106STR: Specifically designed for three-phase motor control applications.

These alternative models offer different specifications and features to cater to specific application requirements.

In conclusion, the IR2105STR is a high voltage, high-speed power MOSFET and IGBT driver that finds extensive use in motor drives, power supplies, and other related applications. Its compact size, fast switching speed, and integrated protection features make it a versatile choice for various power control needs.