IRS21952SPBF

Product Overview

Category: Integrated Circuit (IC)

Use: IRS21952SPBF is a high-speed, high-voltage gate driver IC designed for driving MOSFETs and IGBTs in various applications.

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

Package: IRS21952SPBF is available in a small outline integrated circuit (SOIC) package.

Essence: The essence of IRS21952SPBF lies in its ability to provide efficient and reliable gate drive signals to power semiconductor devices, enabling them to switch on and off rapidly.

Packaging/Quantity: IRS21952SPBF is typically sold in reels or tubes containing a specified quantity of ICs.

Specifications

• Supply Voltage Range: 10V to 20V
• Output Current: ±2.5A
• Propagation Delay: 100ns (typical)
• Operating Temperature Range: -40°C to +125°C
• Isolation Voltage: 2500Vrms (min)

Pin Configuration

The IRS21952SPBF IC has 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 high-side and low-side drivers
5. SD: Shutdown input
6. VB: Bootstrap supply voltage input
7. VS: High-side floating supply return
8. HS: High-side floating supply

Functional Features

• High-speed gate drive capability enables fast switching of power semiconductor devices.
• Integrated bootstrap diode simplifies the design by eliminating the need for an external diode.
• Under-voltage lockout (UVLO) protection ensures proper operation under low voltage conditions.
• Over-current protection (OCP) prevents excessive current flow and protects the IC and connected devices.
• Shoot-through protection prevents simultaneous conduction of high-side and low-side drivers, avoiding short circuits.

Advantages and Disadvantages

Advantages: - High-speed switching capability allows for efficient power conversion. - Robust protection features enhance system reliability. - Compact package size enables space-saving designs. - Integrated bootstrap diode simplifies circuit design.

Disadvantages: - Limited output current may not be suitable for high-power applications. - Requires external components for proper operation.

Working Principles

IRS21952SPBF operates by receiving control signals from a microcontroller or other control circuitry. It generates high-voltage gate drive signals to turn on and off MOSFETs or IGBTs in power electronic systems. The IC incorporates various protection mechanisms to ensure safe and reliable operation.

Detailed Application Field Plans

IRS21952SPBF finds applications in various fields, including: 1. Motor drives 2. Solar inverters 3. Uninterruptible power supplies (UPS) 4. Switch-mode power supplies (SMPS) 5. Industrial automation systems

Alternative Models

Some alternative models that can be considered as alternatives to IRS21952SPBF are: 1. IRS21850SPBF 2. IRS21867SPBF 3. IRS21864SPBF 4. IRS21851SPBF

These models offer similar functionality and can be used as replacements depending on specific requirements.

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