IR2104S

Product Overview

Category: Integrated Circuit (IC)

Use: The IR2104S 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 - Wide operating temperature range

Package: The IR2104S is available in a small outline package (SOP) with 8 pins.

Essence: The essence of the IR2104S lies in its ability to efficiently drive power MOSFETs and IGBTs in various bridge configurations.

Packaging/Quantity: The IR2104S is typically sold in reels or tubes, with a quantity of 2500 units per reel.

Specifications

• Supply Voltage: 10V - 20V
• Output Current: 210mA
• Operating Temperature Range: -40°C to +125°C
• Propagation Delay Time: 120ns
• Rise/Fall Time: 35ns

Pin Configuration

The IR2104S has the following pin configuration:

1. VCC: Power supply for the IC
2. VB: Bootstrap supply voltage for the high-side gate driver
3. HO: High-side gate driver output
4. LO: Low-side gate driver output
5. VS: High-side floating supply return
6. COM: Ground reference for the low-side gate driver
7. LIN: Logic input for the low-side gate driver
8. SD: Shutdown input for disabling the outputs

Functional Features

• High voltage level shifting
• Undervoltage lockout protection
• Overcurrent shutdown protection
• Short circuit protection
• Shoot-through prevention logic

Advantages and Disadvantages

Advantages: - High voltage capability allows for driving power MOSFETs and IGBTs in various applications - Fast switching speed enables efficient power conversion - Low power consumption reduces energy losses - Wide operating temperature range ensures reliable performance in harsh environments

Disadvantages: - Limited output current may restrict its use in high-power applications - Propagation delay time and rise/fall time may affect the overall system response time

Working Principles

The IR2104S operates by receiving logic input signals and generating complementary gate drive signals for the high-side and low-side switches. It utilizes a bootstrap capacitor to provide the necessary voltage level shifting for the high-side gate driver.

When the logic input signal is received, the IR2104S quickly switches the high-side and low-side outputs, allowing the power MOSFETs or IGBTs to turn on and off rapidly. This enables efficient power conversion and control in bridge configurations.

Detailed Application Field Plans

The IR2104S is commonly used in the following applications:

1. Motor drives
2. Switch-mode power supplies
3. Inverters
4. Uninterruptible power supplies (UPS)
5. Solar inverters
6. Electric vehicle charging systems

Detailed and Complete Alternative Models

1. IR2101S: Similar to IR2104S but with lower output current capability.
2. IR2110S: Higher voltage and current capability compared to IR2104S.
3. IRS21844S: Integrated half-bridge driver with additional protection features.

These alternative models offer different specifications and features, providing options for various application requirements.

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