IRS21858SPBF

Product Overview

Category: Integrated Circuit (IC)

Use: The IRS21858SPBF 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 - Protection features against overcurrent and overtemperature - High noise immunity

Package: The IRS21858SPBF is available in a compact surface-mount package, which ensures easy integration into various electronic systems.

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

Packaging/Quantity: The IRS21858SPBF is typically supplied in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 10V to 20V
• Output Current: ±2A
• Operating Temperature Range: -40°C to +125°C
• Propagation Delay: 120ns (max)
• Rise/Fall Time: 30ns (typ)
• Input Logic Compatibility: CMOS/TTL

Detailed Pin Configuration

The IRS21858SPBF features a 16-pin dual-in-line package (DIP) with the following pin configuration:

1. VCC
2. HO1
3. LO1
4. VS
5. VB
6. COM
7. LO2
8. HO2
9. VSS
10. SD
11. NC
12. NC
13. NC
14. NC
15. NC
16. NC

Functional Features

• High-speed switching: The IRS21858SPBF enables fast switching of MOSFETs and IGBTs, resulting in efficient power conversion.
• Overcurrent protection: The IC incorporates built-in protection mechanisms to prevent damage due to excessive current flow.
• Overtemperature protection: It includes temperature sensing features that safeguard the device from overheating.
• Undervoltage lockout (UVLO): The UVLO feature ensures proper operation by disabling the output when the supply voltage falls below a specified threshold.

Advantages and Disadvantages

Advantages: - High voltage capability allows for driving high-power devices. - Fast switching speed improves overall system efficiency. - Protection features enhance reliability and durability. - Low power consumption reduces energy wastage.

Disadvantages: - Limited pin configuration options may restrict certain circuit designs. - Not suitable for low-voltage applications.

Working Principles

The IRS21858SPBF operates by receiving control signals from a microcontroller or other control circuitry. These signals determine the state of the half-bridge output, enabling precise control over the connected MOSFETs or IGBTs. The IC provides the necessary gate drive voltage and current to ensure efficient switching of the power devices.

Detailed Application Field Plans

The IRS21858SPBF finds extensive application in various fields, including:

1. Motor Drives: It is widely used in motor control systems, such as electric vehicles, industrial machinery, and robotics.
2. Power Supplies: The IC plays a crucial role in switch-mode power supplies, ensuring efficient power conversion and regulation.
3. Inverters: It is employed in solar inverters, UPS systems, and other applications requiring DC-to-AC conversion.

Detailed and Complete Alternative Models

1. IRS21850SPBF: Similar to IRS21858SPBF but with a single high-side driver.
2. IRS21856SPBF: Similar to IRS21858SPBF but with lower output current capability.
3. IRS21857SPBF: Similar to IRS21858SPBF but with additional protection features.

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

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