IRS21571DSTRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: The IRS21571DSTRPBF is a high-performance half-bridge gate driver IC designed for use in power electronics applications. It provides the necessary drive signals for controlling and driving MOSFETs or IGBTs in half-bridge configurations.

Characteristics: - High voltage level shifting capability - Low propagation delay - Wide operating voltage range - High noise immunity - Protection features against overcurrent and overtemperature conditions

Package: The IRS21571DSTRPBF is available in a small outline package (SOP) with 8 pins.

Essence: This IC serves as a crucial component in power electronic systems, enabling efficient and reliable switching of high-power devices.

Packaging/Quantity: The IRS21571DSTRPBF is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 10V to 20V
• Output Current: ±2A
• Operating Temperature Range: -40°C to 125°C
• Input Logic Compatibility: CMOS, TTL

Pin Configuration

The IRS21571DSTRPBF features the following pin configuration:

1. VCC: Power supply voltage 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 low-side gate driver and bootstrap capacitor
7. LIN: Logic input
8. GND: Ground reference

Functional Features

• High voltage level shifting: Enables the control of high-side power devices.
• Low propagation delay: Ensures fast and accurate switching of MOSFETs or IGBTs.
• Overcurrent and overtemperature protection: Safeguards the system from potential damage.
• Wide operating voltage range: Allows compatibility with various power supply configurations.
• High noise immunity: Ensures reliable operation in noisy environments.

Advantages and Disadvantages

Advantages: - Efficient and reliable switching of high-power devices - Comprehensive protection features - Wide operating voltage range for flexibility - High noise immunity for reliable operation

Disadvantages: - Limited output current capability (±2A) - Requires external bootstrap capacitor for high-side gate driver operation

Working Principles

The IRS21571DSTRPBF operates by receiving logic input signals through the LIN pin. These signals control the high-side and low-side gate driver outputs, which in turn drive the MOSFETs or IGBTs in a half-bridge configuration. The IC utilizes high voltage level shifting techniques to enable the control of high-side power devices. It also incorporates protection features to prevent overcurrent and overtemperature conditions.

Detailed Application Field Plans

The IRS21571DSTRPBF finds applications in various power electronics systems, including but not limited to: - Motor drives - Switch-mode power supplies - Solar inverters - Uninterruptible power supplies (UPS) - Industrial automation equipment

Detailed and Complete Alternative Models

1. IRS2153DSTRPBF: Similar half-bridge gate driver IC with additional shutdown and fault protection features.
2. IRS2184DSTRPBF: Dual channel gate driver IC suitable for full-bridge or half-bridge configurations.
3. IRS2336DJTRPBF: Three-phase gate driver IC designed for motor control applications.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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