IR2104SPBF

Product Overview

Category: Integrated Circuit (IC)

Use: The IR2104SPBF is a high voltage, high-speed power MOSFET and IGBT driver IC. It is specifically designed to drive both the high-side and low-side switches in half-bridge and full-bridge configurations.

Characteristics: - High voltage capability - High speed switching - Low power consumption - Compact package size - Robust protection features

Package: The IR2104SPBF is available in a compact 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence: This IC serves as a crucial component in power electronics applications, providing efficient and reliable control of high-power devices such as MOSFETs and IGBTs.

Packaging/Quantity: The IR2104SPBF is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

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

Pin Configuration

The IR2104SPBF features 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. COM: Common ground reference for the IC.
6. LIN: Logic input for the low-side gate driver.
7. SD: Shutdown input for disabling the outputs.
8. VS: Supply voltage for the high-side gate driver.

Functional Features

• High voltage level shifting capability
• Undervoltage lockout protection
• Overcurrent protection
• Shoot-through prevention logic
• Adjustable dead time for improved efficiency

Advantages and Disadvantages

Advantages: - Enables efficient and precise control of high-power devices - Compact package size allows for space-saving designs - Robust protection features enhance system reliability - High-speed switching capability minimizes power losses

Disadvantages: - Requires external components for bootstrap supply voltage generation - Limited output current may restrict use in certain high-power applications

Working Principles

The IR2104SPBF operates by receiving logic input signals and generating corresponding gate drive signals to control the high-side and low-side switches. It utilizes a bootstrap circuit to generate the necessary voltage level for driving the high-side switch.

When the logic input signals change, the IC adjusts the gate drive signals accordingly, allowing for precise control of the connected power devices. The built-in protection features ensure safe operation and prevent damage to the IC and the connected devices.

Detailed Application Field Plans

The IR2104SPBF is widely used in various power electronics applications, including:

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

Alternative Models

For those seeking alternative options, the following ICs can be considered:

1. IR2110: Similar functionality with higher output current capability.
2. IRS21844: Integrated half-bridge driver with additional protection features.
3. FAN7382: Dual half-bridge gate driver with adjustable dead time.

These alternatives offer similar functionalities and can be suitable replacements depending on specific application requirements.

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