IRS2103SPBF

Product Overview

Category

The IRS2103SPBF belongs to the category of integrated circuits (ICs) used in power management applications.

Use

This IC is specifically designed for high-speed, high-side and low-side gate driver applications in half-bridge and full-bridge configurations.

Characteristics

• High voltage level shifting capability
• Fast switching speeds
• Low propagation delay
• High noise immunity
• Wide operating temperature range

Package

The IRS2103SPBF is available in a small outline package (SOP) with 8 pins.

Essence

The essence of the IRS2103SPBF lies in its ability to efficiently drive power MOSFETs or IGBTs in various power conversion applications.

Packaging/Quantity

The IRS2103SPBF is typically packaged in reels containing 2,500 units per reel.

Specifications

• Supply voltage: 10V to 20V
• Output current: ±200mA
• Operating temperature range: -40°C to +125°C
• Input logic levels: CMOS/TTL compatible
• Maximum duty cycle: 50%
• Output voltage swing: 10V to 15V

Detailed Pin Configuration

1. VCC: Power supply input
2. HO: High-side gate driver output
3. LO: Low-side gate driver output
4. VB: Bootstrap supply voltage input
5. VS: High-side floating supply return
6. COM: Common connection for bootstrap capacitor and high-side gate driver return
7. LIN: Logic input for low-side gate driver
8. HIN: Logic input for high-side gate driver

Functional Features

• High voltage level shifting: Allows direct control of high-side power devices.
• Fast switching speeds: Enables efficient power conversion with minimal losses.
• Low propagation delay: Ensures precise timing and synchronization of gate signals.
• High noise immunity: Resistant to external electrical noise interference.
• Under-voltage lockout protection: Prevents improper operation during low voltage conditions.

Advantages

• Compact size and easy integration into power management systems.
• Wide operating temperature range allows for use in various environments.
• High noise immunity ensures reliable performance in noisy industrial settings.
• Fast switching speeds enable high-frequency power conversion applications.

Disadvantages

• Limited maximum duty cycle of 50% may restrict certain applications.
• Requires an external bootstrap capacitor for proper operation.
• Not suitable for high-side gate driver applications requiring negative voltage swing.

Working Principles

The IRS2103SPBF operates by receiving logic input signals (LIN and HIN) and generating corresponding gate drive signals (LO and HO) to control the high-side and low-side power devices. It utilizes a bootstrap capacitor (connected to VB and COM pins) to provide the necessary voltage level shifting for driving the high-side power device.

Detailed Application Field Plans

The IRS2103SPBF is commonly used in the following applications:

1. Motor control systems
2. Switch-mode power supplies
3. Inverters and converters
4. Industrial automation equipment
5. Solar power systems

Detailed and Complete Alternative Models

1. IRS2101SPBF
2. IRS2102SPBF
3. IRS2104SPBF
4. IRS2106SPBF
5. IRS2108SPBF

These alternative models offer similar functionality and can be considered as substitutes for the IRS2103SPBF depending on specific application requirements.

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