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IR2128S
Product Overview
Category: Integrated Circuit (IC)
Use: The IR2128S 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 - Suitable for driving power MOSFETs and IGBTs - Half-bridge and full-bridge configurations support
Package: The IR2128S is available in a compact and industry-standard 8-pin SOIC (Small Outline Integrated Circuit) package.
Essence: The essence of the IR2128S lies in its ability to provide efficient and reliable switching control for high-power applications.
Packaging/Quantity: The IR2128S is typically sold in reels containing a quantity of 250 units per reel.
Specifications
- Supply Voltage Range: 10V to 20V
- Output Current: ±200mA
- Propagation Delay: 120ns
- Rise/Fall Time: 50ns
- Operating Temperature Range: -40°C to +125°C
Pin Configuration
The IR2128S features the following pin configuration:
- VCC: Power supply input
- VB: Bootstrap supply input
- HO: High-side gate driver output
- LO: Low-side gate driver output
- COM: Common connection for bootstrap capacitor and logic ground
- SD: Shutdown input
- VS: High-side floating supply return
- HB: High-side floating supply input
Functional Features
- High voltage level shifting
- Undervoltage lockout protection
- Shoot-through prevention logic
- Adjustable dead-time control
- Fault protection and shutdown capability
Advantages and Disadvantages
Advantages: - High voltage capability allows for driving power MOSFETs and IGBTs in high-power applications - Fast switching speed enables efficient power conversion - Shoot-through prevention logic ensures safe operation - Adjustable dead-time control provides flexibility in circuit design
Disadvantages: - Limited output current may not be suitable for certain high-power applications - Propagation delay and rise/fall time may affect the overall system response time
Working Principles
The IR2128S operates by receiving input signals from a microcontroller or other control circuitry. It utilizes level shifting techniques to provide the necessary gate drive voltages for both the high-side and low-side switches. The device incorporates undervoltage lockout protection to ensure proper operation within the specified voltage range. Additionally, it includes shoot-through prevention logic to prevent simultaneous conduction of the high-side and low-side switches, which could lead to damaging current flow.
Detailed Application Field Plans
The IR2128S is commonly used in various applications, including but not limited to: - Motor drives - Power supplies - Inverters - UPS (Uninterruptible Power Supplies) - Solar inverters - Welding equipment
Alternative Models
For those seeking alternative options, the following models can be considered: - IR2101 - IR2110 - IR2184 - IRS2003
These models offer similar functionality and are compatible with various power MOSFET and IGBT configurations.
In conclusion, the IR2128S is a high voltage, high-speed power MOSFET and IGBT driver that provides efficient switching control for high-power applications. With its versatile features and compact package, it finds applications in motor drives, power supplies, inverters, and more. While it has certain limitations, alternative models are available to suit specific requirements.
Перечислите 10 распространенных вопросов и ответов, связанных с применением IR2128S в технических решениях.
Sure! Here are 10 common questions and answers related to the application of IR2128S in technical solutions:
Q: What is IR2128S? A: IR2128S is a high voltage, high-speed power MOSFET and IGBT driver IC designed for applications requiring efficient switching and precise control.
Q: What are the key features of IR2128S? A: The key features of IR2128S include high voltage operation (up to 600V), fast switching speed, low propagation delay, and built-in protection features like under-voltage lockout and thermal shutdown.
Q: What are the typical applications of IR2128S? A: IR2128S is commonly used in various applications such as motor drives, power supplies, inverters, UPS systems, and other industrial and automotive applications that require high-performance gate drivers.
Q: How does IR2128S help in motor drive applications? A: IR2128S provides efficient and precise control of the power MOSFET or IGBT switches in motor drive applications, enabling smooth and reliable motor operation with high efficiency.
Q: Can IR2128S handle high voltage levels? A: Yes, IR2128S is designed to handle high voltage levels up to 600V, making it suitable for applications that require high voltage switching.
Q: Does IR2128S have any protection features? A: Yes, IR2128S has built-in protection features like under-voltage lockout (UVLO) and thermal shutdown, which help protect the device and the connected components from damage.
Q: What is the maximum switching frequency supported by IR2128S? A: IR2128S supports high-speed switching with a maximum switching frequency of typically 500kHz, making it suitable for applications that require fast and precise switching.
Q: Can IR2128S be used with both MOSFETs and IGBTs? A: Yes, IR2128S is compatible with both power MOSFETs and IGBTs, providing flexibility in choosing the appropriate switching device for the application.
Q: Does IR2128S require external components for operation? A: Yes, IR2128S requires external components such as bootstrap diodes, gate resistors, and decoupling capacitors to ensure proper operation and protection.
Q: Is there any application note or reference design available for IR2128S? A: Yes, Infineon Technologies provides application notes and reference designs for IR2128S, which can help users understand its usage and optimize their technical solutions.
Please note that the answers provided here are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information and guidelines.