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IR2118STR
Product Overview
Category: Integrated Circuit (IC)
Use: The IR2118STR is a high voltage, high-speed power MOSFET and IGBT driver IC. It is specifically designed to drive power switches in applications such as motor drives, inverters, and switching power supplies.
Characteristics: - High voltage capability - Fast switching speed - Low power consumption - Compact package size - Robust protection features
Package: The IR2118STR is available in a small outline package (SOP) with 16 pins.
Essence: This IC serves as a crucial component in power electronics systems by providing the necessary drive signals to control power switches efficiently.
Packaging/Quantity: The IR2118STR is typically sold in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact quantity may vary depending on the supplier.
Specifications
- Supply Voltage: 10V - 20V
- Output Current: ±2A
- 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 IR2118STR has 16 pins arranged as follows:
Pin 1: VCC
Pin 2: IN1
Pin 3: IN2
Pin 4: LO1
Pin 5: HO1
Pin 6: COM
Pin 7: VS
Pin 8: VB
Pin 9: HO2
Pin 10: LO2
Pin 11: SD
Pin 12: RT
Pin 13: CT
Pin 14: NC
Pin 15: GND
Pin 16: VSS
Functional Features
- High voltage level shifting
- Independent high and low side referenced output channels
- Under-voltage lockout protection
- Matched propagation delay for both channels
- Integrated bootstrap diode
- Output in-phase with input (non-inverting)
Advantages and Disadvantages
Advantages: - Enables efficient and reliable control of power switches - Fast switching speed improves system performance - Compact package size saves board space - Robust protection features enhance system reliability
Disadvantages: - Limited output current may restrict use in high-power applications - Requires external components for proper operation - Sensitivity to voltage spikes or noise in the system
Working Principles
The IR2118STR operates by receiving input signals from a microcontroller or control circuitry. It then amplifies and shapes these signals to drive the gate of power MOSFETs or IGBTs. By controlling the gate voltage, it regulates the conduction and switching of power switches, allowing precise control over power flow in various applications.
Detailed Application Field Plans
The IR2118STR finds extensive use in the following applications:
- Motor Drives: Controlling the speed and direction of motors in industrial automation, robotics, and electric vehicles.
- Inverters: Converting DC power to AC power in solar energy systems, uninterruptible power supplies (UPS), and electric vehicle charging stations.
- Switching Power Supplies: Regulating voltage and current in electronic devices such as computers, telecommunication equipment, and consumer electronics.
Detailed and Complete Alternative Models
- IR2110: Similar functionality but with lower voltage capability.
- IR2184: Dual channel driver with additional shutdown and fault detection features.
- IRS2106: Half-bridge driver with integrated current sensing capability.
These alternative models offer similar functionalities to the IR2118STR and can be considered based on specific application requirements.
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10 domande e risposte comuni relative all'applicazione di IR2118STR nelle soluzioni tecniche
Sure! Here are 10 common questions and answers related to the application of IR2118STR in technical solutions:
Q: What is the IR2118STR? A: The IR2118STR is a high voltage, high-speed power MOSFET and IGBT driver IC.
Q: What is the maximum operating voltage of the IR2118STR? A: The maximum operating voltage of the IR2118STR is typically 600V.
Q: What is the purpose of using the IR2118STR in technical solutions? A: The IR2118STR is used to drive and control power MOSFETs and IGBTs in various applications such as motor drives, inverters, and power supplies.
Q: Can the IR2118STR be used with both MOSFETs and IGBTs? A: Yes, the IR2118STR can be used with both MOSFETs and IGBTs.
Q: What is the maximum output current capability of the IR2118STR? A: The maximum output current capability of the IR2118STR is typically 2A.
Q: Does the IR2118STR have built-in protection features? A: Yes, the IR2118STR has built-in undervoltage lockout (UVLO) and shoot-through protection to prevent damage to the power devices.
Q: Can the IR2118STR operate at high temperatures? A: Yes, the IR2118STR is designed to operate at high temperatures, typically up to 125°C.
Q: How many inputs does the IR2118STR have? A: The IR2118STR has two independent inputs, one for the high-side gate driver and one for the low-side gate driver.
Q: What is the typical propagation delay of the IR2118STR? A: The typical propagation delay of the IR2118STR is around 100ns.
Q: Is the IR2118STR available in different package options? A: Yes, the IR2118STR is available in various package options such as SOIC and DIP for easy integration into different circuit designs.
Please note that the answers provided here are general and may vary depending on the specific datasheet and application requirements of the IR2118STR.