IR2128SPBF

Product Overview

Category: Integrated Circuit (IC)

Use: The IR2128SPBF is a high voltage, high-speed power MOSFET and IGBT driver. It is 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 power consumption - Compact package size - Robust protection features

Package: The IR2128SPBF is available in a small outline package (SOP) with 8 pins.

Essence: The essence of the IR2128SPBF lies in its ability to efficiently control and drive power MOSFETs and IGBTs in various applications.

Packaging/Quantity: The IR2128SPBF is typically sold in reels or tubes containing a specified quantity of ICs.

Specifications

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

Pin Configuration

The IR2128SPBF has the following pin configuration:

1. VCC: Power supply voltage input
2. VB: Bootstrap supply voltage input
3. HO: High-side gate driver output
4. LO: Low-side gate driver output
5. COM: Common connection for bootstrap capacitor and low-side return
6. LIN: Logic input for low-side gate driver
7. HIN: Logic input for high-side gate driver
8. GND: Ground reference

Functional Features

• High voltage level shifting
• Undervoltage lockout protection
• Shoot-through prevention logic
• Adjustable dead-time control
• Fault protection and reporting
• Integrated bootstrap diode

Advantages and Disadvantages

Advantages: - Efficient and reliable power MOSFET and IGBT driving - Wide operating temperature range - Fast switching speed for improved performance - Comprehensive protection features - Compact package size for space-constrained applications

Disadvantages: - Limited output current capability (200mA) - Requires external bootstrap capacitor for high-side gate drive

Working Principles

The IR2128SPBF operates by receiving logic inputs (LIN and HIN) to control the high-side and low-side gate driver outputs (HO and LO). It utilizes a bootstrap supply voltage (VB) to drive the high-side switch efficiently. The IC incorporates various protection mechanisms to ensure safe operation and prevent shoot-through conditions.

Detailed Application Field Plans

The IR2128SPBF is commonly used in the following applications:

1. Motor control systems
2. Switch-mode power supplies
3. Inverter circuits
4. Uninterruptible power supplies (UPS)
5. Solar inverters
6. Electric vehicle charging systems

Alternative Models

Other alternative models that can be considered as replacements or substitutes for the IR2128SPBF include:

1. IR2104
2. IRS21844
3. TC4427
4. FAN7382
5. HIP4081A

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

In conclusion, the IR2128SPBF is a high-performance integrated circuit designed for efficient driving of power MOSFETs and IGBTs. With its compact package, robust protection features, and wide range of applications, it is a versatile choice for various power electronics systems.