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IR21074S
Product Overview
Category: Integrated Circuit (IC)
Use: The IR21074S is a high-performance, dual-channel power MOSFET driver IC. It is designed to drive two N-channel power MOSFETs in a half-bridge configuration for various applications.
Characteristics: - High voltage capability - Fast switching speed - Low power consumption - Protection features against overcurrent and overtemperature - Suitable for high-frequency applications
Package: The IR21074S is available in a compact and industry-standard 8-pin SOIC (Small Outline Integrated Circuit) package.
Essence: The essence of the IR21074S lies in its ability to efficiently control the switching of power MOSFETs, enabling precise and reliable power delivery in electronic systems.
Packaging/Quantity: The IR21074S is typically sold in reels or tubes containing a quantity of 250 units per package.
Specifications
- Supply Voltage Range: 10V to 20V
- Output Current: ±2A
- Input Logic Voltage: 3.3V to 15V
- Operating Temperature Range: -40°C to +125°C
- Propagation Delay Time: 100ns (max)
- Rise/Fall Time: 25ns (typ)
- Maximum Duty Cycle: 50%
Detailed Pin Configuration
The IR21074S features an 8-pin SOIC package with the following pin configuration:
- VCC: Power supply voltage input
- HO1: High-side gate driver output for channel 1
- LO1: Low-side gate driver output for channel 1
- COM: Common ground connection
- VB: Bootstrap supply voltage input
- LO2: Low-side gate driver output for channel 2
- HO2: High-side gate driver output for channel 2
- VS: High-side floating supply voltage input
Functional Features
- Dual-channel power MOSFET driver
- High-speed switching capability
- Integrated bootstrap diode for high-side gate drive
- Undervoltage lockout protection
- Overcurrent and overtemperature protection
- Adjustable dead-time control
- Compatible with a wide range of microcontrollers and digital signal processors
Advantages and Disadvantages
Advantages: - Efficient and reliable power MOSFET switching - Protection features enhance system safety - Compact package size for space-constrained applications - Wide operating temperature range allows for versatile usage - Suitable for high-frequency applications
Disadvantages: - Limited output current compared to some other driver ICs - Requires external components for bootstrap operation
Working Principles
The IR21074S operates by receiving input signals from a microcontroller or digital signal processor, which are then amplified and used to control the gate voltages of the power MOSFETs. The integrated bootstrap diode generates the necessary high-side gate drive voltage, enabling efficient switching of the MOSFETs. The driver IC also incorporates protection features to safeguard against overcurrent and overtemperature conditions.
Detailed Application Field Plans
The IR21074S finds applications in various fields, including but not limited to: 1. Motor control systems 2. Switch-mode power supplies 3. Inverters and converters 4. Industrial automation 5. Automotive electronics 6. Solar energy systems
Detailed and Complete Alternative Models
- IR2101: Single-channel power MOSFET driver IC
- IR2103: Half-bridge driver IC with independent inputs
- IR2110: High-voltage, high-speed power MOSFET and IGBT driver IC
- IR2184: High-speed, dual-channel power MOSFET driver IC with shutdown feature
- IR2153: Self-oscillating half-bridge driver IC for resonant converters
These alternative models offer similar functionality and can be considered as alternatives to the IR21074S based on specific application requirements.
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Navedite 10 uobičajenih pitanja i odgovora vezanih uz primjenu IR21074S u tehničkim rješenjima
Sure! Here are 10 common questions and answers related to the application of IR21074S in technical solutions:
Q: What is IR21074S? A: IR21074S is a high-performance, dual-channel gate driver IC designed for driving MOSFETs and IGBTs in various applications.
Q: What voltage range does IR21074S support? A: IR21074S supports a wide voltage range from 4.5V to 20V, making it compatible with different power supply systems.
Q: Can IR21074S be used in motor control applications? A: Yes, IR21074S is commonly used in motor control applications due to its ability to drive high-power MOSFETs and IGBTs efficiently.
Q: Does IR21074S have built-in protection features? A: Yes, IR21074S offers various protection features like under-voltage lockout (UVLO), over-current protection (OCP), and thermal shutdown (TSD) to ensure safe operation.
Q: What is the maximum output current capability of IR21074S? A: IR21074S can deliver up to 2A peak output current per channel, allowing it to handle high-current applications effectively.
Q: Can IR21074S operate at high temperatures? A: Yes, IR21074S has a wide operating temperature range of -40°C to 125°C, making it suitable for demanding industrial environments.
Q: Is IR21074S compatible with both 3.3V and 5V logic levels? A: Yes, IR21074S is designed to work with both 3.3V and 5V logic levels, providing flexibility in system design.
Q: Can IR21074S be used in bridge configurations? A: Absolutely, IR21074S is commonly used in bridge configurations for applications like motor drives and power inverters.
Q: Does IR21074S support dead-time control? A: Yes, IR21074S provides adjustable dead-time control to prevent shoot-through current in bridge circuits, ensuring safe operation.
Q: What package options are available for IR21074S? A: IR21074S is available in various package options, including SOIC-8 and PDIP-8, providing flexibility for different PCB layouts and assembly processes.
Please note that the answers provided here are general and may vary depending on specific application requirements.