IRS21844STRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: IRS21844STRPBF is a high-performance half-bridge gate driver IC designed for driving MOSFETs and IGBTs in various applications.

Characteristics: - High voltage level shifting capability - Low propagation delay times - High output current capability - Built-in protection features such as under-voltage lockout (UVLO) and over-current protection (OCP) - Wide operating voltage range

Package: IRS21844STRPBF is available in a surface-mountable 16-pin SOIC (Small Outline Integrated Circuit) package.

Essence: The essence of IRS21844STRPBF lies in its ability to provide efficient and reliable gate drive signals to power transistors, enabling precise control of switching operations in power electronics systems.

Packaging/Quantity: IRS21844STRPBF is typically sold in reels or tubes containing multiple units. The exact quantity depends on the supplier and customer requirements.

Specifications

• Supply Voltage Range: 10V to 20V
• Output Current: ±2A
• Propagation Delay Time: 120ns (typical)
• UVLO Threshold Voltage: 9.5V (typical)
• OCP Threshold Voltage: 0.5V (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

1. VCC: Supply voltage input
2. HO: High-side gate driver output
3. LO: Low-side gate driver output
4. COM: Common connection for the high-side and low-side drivers
5. VB: Bootstrap supply voltage input
6. VS: High-side floating supply return
7. HS: High-side floating supply input
8. LS: Low-side floating supply input
9. SD: Shutdown input
10. RT: Deadtime control resistor connection
11. CT: Bootstrap capacitor connection
12. VSS: Ground connection
13. HO: High-side gate driver output
14. LO: Low-side gate driver output
15. COM: Common connection for the high-side and low-side drivers
16. VCC: Supply voltage input

Functional Features

• High voltage level shifting capability allows driving of high-side power transistors efficiently.
• Low propagation delay times ensure precise and synchronized switching of MOSFETs or IGBTs.
• Built-in protection features like UVLO and OCP enhance system reliability and prevent damage to the IC and connected devices.
• Wide operating voltage range enables compatibility with various power supply systems.

Advantages and Disadvantages

Advantages: - Efficient and reliable gate drive signals - Precise control of switching operations - Built-in protection features enhance system reliability - Wide operating voltage range provides flexibility in system design

Disadvantages: - Limited output current compared to some specialized gate driver ICs - Requires external components for bootstrap operation

Working Principles

IRS21844STRPBF operates by receiving input signals from a microcontroller or control circuitry and generating high and low-level gate drive signals for the power transistors. The high-side and low-side drivers provide the necessary voltage levels to turn on/off the MOSFETs or IGBTs, enabling efficient power conversion or motor control.

Detailed Application Field Plans

IRS21844STRPBF finds applications in various fields, including: 1. Motor drives 2. Switch-mode power supplies 3. Solar inverters 4. Uninterruptible power supplies (UPS) 5. Industrial automation systems

Detailed and Complete Alternative Models

Some alternative models to IRS21844STRPBF include: 1. IR2104S 2. TC4427A 3. MAX4420 4. HIP4081A

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

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