IRS21867SPBF

Product Overview

Category: Integrated Circuit (IC)

Use: The IRS21867SPBF is a high-performance, high-voltage, half-bridge gate driver IC. It is specifically designed for driving MOSFETs and IGBTs in applications such as motor drives, power supplies, and inverters.

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

Package: The IRS21867SPBF is available in a small outline package (SOP) with 8 pins. This compact package allows for easy integration into various electronic systems.

Essence: The essence of the IRS21867SPBF lies in its ability to efficiently drive high-power semiconductor devices, enabling precise control and reliable operation in demanding applications.

Packaging/Quantity: The IRS21867SPBF is typically sold in reels or tubes, with each reel or tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply Voltage: 10V - 20V
• Output Current: 2A (source), 2A (sink)
• Operating Temperature Range: -40°C to +125°C
• Propagation Delay: 120ns (typical)
• Undervoltage Lockout (UVLO) Threshold: 9.5V (on), 7.6V (off)

Detailed Pin Configuration

The IRS21867SPBF features the following pin configuration:

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

Functional Features

• High voltage level shifting capability
• Integrated bootstrap diode for high-side gate drive
• Under-voltage lockout protection
• Over-current protection
• Thermal shutdown protection
• Short-circuit protection
• Fault reporting output

Advantages and Disadvantages

Advantages: - High-performance gate driver for demanding applications - Robust protection features enhance system reliability - Compact package design allows for easy integration - Fast switching speed improves overall system efficiency

Disadvantages: - Limited output current compared to some other gate driver ICs - Requires external bootstrap capacitor for high-side gate drive

Working Principles

The IRS21867SPBF operates by receiving control signals from a microcontroller or other control circuitry. It generates the necessary gate drive voltages to switch the MOSFETs or IGBTs in a half-bridge configuration. The integrated bootstrap diode simplifies the high-side gate drive circuitry, reducing component count and board space requirements.

Detailed Application Field Plans

The IRS21867SPBF is widely used in various applications, including: 1. Motor drives: Enables precise control of motor speed and torque in electric vehicles, industrial machinery, and robotics. 2. Power supplies: Facilitates efficient power conversion in AC-DC and DC-DC converters. 3. Inverters: Drives semiconductor switches in solar inverters, UPS systems, and renewable energy systems.

Detailed and Complete Alternative Models

1. IRS21844SPBF: Similar to IRS21867SPBF but with a lower output current rating.
2. IRS21850SPBF: Higher voltage version of IRS21867SPBF with extended temperature range.
3. IRS21864SPBF: Enhanced version with additional protection features and improved performance.

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

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