IRS2166DCD

Product Overview

Category: Integrated Circuit (IC)

Use: The IRS2166DCD is a high-performance half-bridge driver IC designed for use in switch-mode power supplies and motor control applications.

Characteristics: - High voltage level shifting capability - Low propagation delay times - Integrated bootstrap diode - Protection features against overcurrent and overtemperature conditions

Package: DFN-8 (Dual Flat No-Lead) package

Essence: The IRS2166DCD is an essential component in power electronics systems, enabling efficient and reliable control of power switches.

Packaging/Quantity: The IRS2166DCD is typically sold in reels containing 2500 units.

Specifications

• Supply Voltage Range: 10V to 20V
• Output Current: 200mA
• Operating Temperature Range: -40°C to +125°C
• Maximum Propagation Delay Time: 100ns
• Maximum Rise/Fall Time: 25ns

Detailed Pin Configuration

The IRS2166DCD features the following pin configuration:

1. VCC: Power supply input
2. HO: High-side gate driver output
3. LO: Low-side gate driver output
4. COM: Common connection for the high-side and low-side drivers
5. VB: Bootstrap supply voltage input
6. HB: High-side floating supply voltage input
7. LB: Low-side floating supply voltage input
8. GND: Ground reference

Functional Features

• High voltage level shifting: Enables driving of high-side power MOSFETs or IGBTs.
• Integrated bootstrap diode: Simplifies the design by eliminating the need for an external diode.
• Overcurrent protection: Detects excessive current flow and shuts down the driver to prevent damage.
• Overtemperature protection: Monitors the temperature and disables the driver if it exceeds a safe threshold.

Advantages and Disadvantages

Advantages: - High voltage level shifting capability allows for efficient control of power switches. - Integrated bootstrap diode reduces external component count and simplifies circuit design. - Protection features enhance system reliability and prevent damage to the driver and power switches.

Disadvantages: - Limited output current may restrict its use in high-power applications. - The DFN-8 package may require careful handling during assembly.

Working Principles

The IRS2166DCD operates by receiving input signals from a controller and generating corresponding gate drive signals for the high-side and low-side power switches. It utilizes a bootstrap technique to provide the necessary voltage levels for driving the high-side switch. The integrated protection features monitor the operating conditions and ensure safe operation of the driver and power switches.

Detailed Application Field Plans

The IRS2166DCD is commonly used in the following applications:

1. Switch-mode power supplies: Enables efficient conversion of electrical energy in various power supply designs, including AC-DC converters and DC-DC converters.
2. Motor control: Facilitates precise control of motor speed and direction in applications such as robotics, industrial automation, and electric vehicles.

Detailed and Complete Alternative Models

1. IRS2186PBF: Similar to IRS2166DCD, but with higher output current capability (up to 500mA).
2. IRS2153D: Half-bridge driver IC with additional features like dead-time control and shutdown input.

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

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