IR2153

Product Overview

Category: Integrated Circuit (IC)

Use: The IR2153 is a high-performance, self-oscillating half-bridge driver IC. It is specifically designed for use in electronic circuits that require efficient and reliable control of half-bridge power stages.

Characteristics: - Self-oscillating - High-performance - Half-bridge driver - Efficient and reliable control

Package: The IR2153 is available in a standard 8-pin DIP (Dual Inline Package) or SOIC (Small Outline Integrated Circuit) package.

Essence: The essence of the IR2153 lies in its ability to provide precise control and drive signals to the half-bridge power stage, ensuring optimal performance and efficiency.

Packaging/Quantity: The IR2153 is typically sold in reels or tubes, with quantities varying depending on the supplier.

Specifications

The IR2153 offers the following specifications:

• Supply Voltage Range: 10V to 20V
• Maximum Output Current: 200mA
• Operating Temperature Range: -40°C to 125°C
• Oscillator Frequency Range: 50kHz to 500kHz
• Deadtime Control Range: 0% to 70%
• Propagation Delay Time: 100ns

Pin Configuration

The IR2153 features an 8-pin configuration with the following pin assignments:

1. VCC: Power supply voltage input
2. VB: Bootstrap supply voltage input
3. HO: High-side gate drive output
4. LO: Low-side gate drive output
5. CT: Oscillator timing capacitor connection
6. RT: Oscillator timing resistor connection
7. SD: Shutdown input
8. GND: Ground reference

Functional Features

The IR2153 offers the following functional features:

• Self-oscillating operation
• Integrated bootstrap diode for high-side gate drive
• Programmable deadtime control
• Shutdown input for power management
• High noise immunity
• Protection against overcurrent and undervoltage conditions

Advantages and Disadvantages

Advantages: - Efficient and reliable half-bridge control - Self-oscillating operation simplifies circuit design - Integrated bootstrap diode eliminates the need for an external diode - Programmable deadtime control allows for precise timing adjustments - High noise immunity ensures stable operation in noisy environments

Disadvantages: - Limited maximum output current (200mA) - Requires careful consideration of thermal management due to operating temperature range

Working Principles

The IR2153 operates on the principle of self-oscillation. It generates the necessary drive signals for the high-side and low-side switches in a half-bridge configuration. The integrated bootstrap diode provides the required voltage for the high-side gate drive, eliminating the need for an external diode.

The programmable deadtime control allows for precise timing adjustments between the high-side and low-side switches, preventing shoot-through currents and ensuring efficient power transfer.

Detailed Application Field Plans

The IR2153 finds applications in various fields, including:

1. Switching Power Supplies: The IC is commonly used in switch-mode power supplies to control the half-bridge power stage, enabling efficient conversion of electrical energy.
2. Motor Drives: The IR2153 can be employed in motor drive circuits to control the switching of power MOSFETs or IGBTs, facilitating smooth and precise motor operation.
3. Lighting Systems: The IC is suitable for driving high-intensity discharge lamps, such as fluorescent or HID lamps, providing accurate control and dimming capabilities.
4. Audio Amplifiers: The IR2153 can be utilized in audio amplifier circuits to drive the power transistors, delivering high-quality audio output.

Detailed and Complete Alternative Models

Some alternative models to the IR2153 include:

1. IRS2153D: A similar IC from the same manufacturer, offering enhanced features such as integrated protection circuits and higher maximum output current.
2. UC3843: A popular PWM controller IC widely used in power supply applications, providing similar functionality to the IR2153.
3. HIP4081A: Another half-bridge driver IC with advanced protection features and a wider operating temperature range.

These alternative models can be considered based on specific application requirements and desired features.

In conclusion, the IR2153 is a high-performance half-bridge driver IC that offers efficient and reliable control for various electronic circuits. Its self-oscillating operation, programmable deadtime control, and integrated bootstrap diode make it a versatile choice for applications such as switching power supplies, motor drives, lighting systems, and audio amplifiers. While it has certain limitations, alternative models are available to cater to different needs.