IR2117

Product Overview

Category: Integrated Circuit (IC)

Use: The IR2117 is a high voltage, high-speed power MOSFET and IGBT driver IC. 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 - Protection features for overcurrent and undervoltage conditions

Package: The IR2117 is available in a compact 8-pin DIP (Dual Inline Package) or SOIC (Small Outline Integrated Circuit) package.

Essence: The IR2117 is an essential component in power electronics applications where precise control of high-power devices such as MOSFETs and IGBTs is required.

Packaging/Quantity: The IR2117 is typically sold in reels or tubes containing multiple units, with quantities varying depending on the supplier.

Specifications

• Supply Voltage Range: 10V - 20V
• Output Current: ±2A
• Propagation Delay: 120ns
• Rise/Fall Time: 25ns
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The IR2117 has eight pins arranged as follows:

___________ | | VCC|1 8|HO IN+|2 7|LO IN-|3 6|VS GND|4 5|COM |___________|

• VCC: Power supply input pin
• IN+: Positive input for high-side gate driver
• IN-: Negative input for high-side gate driver
• GND: Ground reference
• HO: High-side gate driver output
• LO: Low-side gate driver output
• VS: High-side floating supply voltage
• COM: Common connection for low-side and high-side gate drivers

Functional Features

• High voltage capability allows driving of power MOSFETs and IGBTs in high-power applications.
• Fast switching speed enables efficient control of switching devices, reducing power losses.
• Protection features such as overcurrent and undervoltage protection enhance the reliability of the system.
• Dual outputs (HO and LO) enable driving of both high-side and low-side switches in bridge configurations.

Advantages and Disadvantages

Advantages: - High voltage capability suitable for demanding power electronics applications. - Fast switching speed improves efficiency and reduces power losses. - Integrated protection features enhance system reliability. - Compact package size allows for easy integration into various designs.

Disadvantages: - Limited output current may not be suitable for extremely high-power applications. - Requires external components for proper operation, increasing overall system complexity.

Working Principles

The IR2117 operates by receiving input signals (IN+ and IN-) to control the high-side and low-side gate drivers. These drivers provide the necessary voltage and current to switch the connected power MOSFETs or IGBTs on and off. The IC's internal circuitry ensures precise timing and protection against fault conditions, ensuring safe and reliable operation.

Detailed Application Field Plans

The IR2117 is commonly used in various applications, including: 1. Motor control systems 2. Switch-mode power supplies 3. Uninterruptible Power Supplies (UPS) 4. Solar inverters 5. Electric vehicle charging systems

In these applications, the IR2117 provides the necessary drive signals to control the power switches, enabling efficient and reliable operation.

Alternative Models

Several alternative models with similar functionality to the IR2117 are available from different manufacturers. Some popular alternatives include:

1. Texas Instruments - UCC21520
2. Infineon Technologies - IRS2110
3. ON Semiconductor - NCP51820

These alternative models offer similar features and performance, providing flexibility for designers to choose the most suitable option for their specific application.

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