IR2138QPBF

Product Overview

Category: Integrated Circuit (IC)

Use: The IR2138QPBF is a high voltage, high-speed power MOSFET and IGBT driver IC. It is specifically designed for driving power switches in applications such as motor control, UPS systems, and switch-mode power supplies.

Characteristics: - High voltage capability - High-speed switching - Low power consumption - Protection features against overcurrent and overtemperature - Wide operating temperature range

Package: The IR2138QPBF is available in a 16-pin plastic dual in-line package (PDIP).

Essence: This IC serves as a crucial component in controlling the switching of power MOSFETs and IGBTs, enabling efficient and reliable operation of various power electronic systems.

Packaging/Quantity: The IR2138QPBF is typically sold in reels or tubes containing multiple units, with each reel/tube containing a specific quantity of ICs.

Specifications

• Supply Voltage: 10V to 20V
• Output Current: ±200mA
• Operating Temperature Range: -40°C to 125°C
• Maximum Operating Frequency: 500kHz
• Propagation Delay Time: 120ns (typical)
• Rise/Fall Time: 50ns (typical)
• Input Logic Compatibility: CMOS/TTL

Pin Configuration

The IR2138QPBF features a 16-pin configuration with the following pin assignments:

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. VS - High-side floating supply return
6. COM - Common connection for low-side and high-side drivers
7. SD - Shutdown input
8. RT - Deadtime control resistor connection
9. CT - Bootstrap capacitor connection
10. VSS - Ground reference voltage
11. IN - Logic input
12. NC - No connection
13. NC - No connection
14. NC - No connection
15. NC - No connection
16. NC - No connection

Functional Features

• High voltage level shifting capability for driving power MOSFETs and IGBTs
• Integrated bootstrap diode for high-side gate drive
• Under-voltage lockout protection
• Overcurrent shutdown protection
• Thermal shutdown protection
• Adjustable deadtime control for preventing shoot-through current

Advantages and Disadvantages

Advantages: - High-speed switching capability enables efficient power conversion - Wide operating temperature range allows for versatile applications - Protection features enhance system reliability - Adjustable deadtime control improves overall performance

Disadvantages: - Limited output current may restrict usage in high-power applications - Requires external components (bootstrap capacitor, deadtime control resistor) for proper operation

Working Principles

The IR2138QPBF operates by receiving logic input signals and generating corresponding gate drive signals to control the switching of power MOSFETs or IGBTs. It utilizes a bootstrap circuit to provide the necessary high-side gate drive voltage. The IC incorporates various protection mechanisms to ensure safe operation under different conditions.

Detailed Application Field Plans

The IR2138QPBF finds extensive application in the following fields:

1. Motor Control Systems: Enables precise control of motor speed and direction in industrial automation, robotics, and electric vehicles.
2. Uninterruptible Power Supply (UPS) Systems: Facilitates efficient power conversion and regulation in UPS units, ensuring uninterrupted power delivery during outages.
3. Switch-Mode Power Supplies: Enhances the efficiency and performance of switch-mode power supplies used in various electronic devices.

Detailed and Complete Alternative Models

1. IR2104PBF: Similar to IR2138QPBF, but with a different pin configuration and slightly lower specifications.
2. IRS2110SPBF: Offers similar functionality with additional protection features and higher output current capability.
3. IR21844SPBF: Provides dual-channel gate drive capability for driving two power switches simultaneously.

These alternative models can be considered based on specific application requirements and system design considerations.

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