IR2127STR

Product Overview

Category: Integrated Circuit (IC)

Use: The IR2127STR is a high voltage, high-speed power MOSFET and IGBT driver IC. It is specifically designed to drive power switches in applications such as motor control, uninterruptible power supplies (UPS), and switch-mode power supplies (SMPS).

Characteristics: - High voltage capability - Fast switching speed - Low power consumption - Protection features for safe operation

Package: The IR2127STR is available in a small outline package (SOP) with 8 pins.

Essence: This IC serves as a crucial component in driving power MOSFETs and IGBTs, enabling efficient and reliable control of power switches in various electronic systems.

Packaging/Quantity: The IR2127STR is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage: 10V - 20V
• Output Current: 200mA
• Operating Temperature Range: -40°C to +125°C
• Propagation Delay Time: 120ns
• Rise/Fall Time: 35ns

Pin Configuration

The IR2127STR has 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 ground
6. SD: Shutdown input
7. VS: Sense voltage input
8. NC: No connection

Functional Features

• High voltage level shifting
• Undervoltage lockout protection
• Overcurrent shutdown protection
• Short circuit protection
• Adjustable dead time for improved efficiency
• Integrated bootstrap diode for simplified circuit design

Advantages and Disadvantages

Advantages: - High voltage capability allows driving of power switches in demanding applications - Fast switching speed enables efficient power conversion - Low power consumption reduces energy losses - Protection features ensure safe operation and prevent damage to the IC and connected devices

Disadvantages: - Limited output current may restrict usage in high-power applications - Propagation delay time and rise/fall time may affect overall system performance in certain applications

Working Principles

The IR2127STR operates by receiving control signals from a microcontroller or other control circuitry. It amplifies and level shifts these signals to drive the gates of power MOSFETs or IGBTs. By controlling the gate voltage, it regulates the conduction of the power switches, allowing precise control over the connected load.

Detailed Application Field Plans

The IR2127STR finds extensive use in various applications, including:

1. Motor Control Systems: Enables precise control of motor speed and direction in industrial automation, robotics, and electric vehicles.
2. Uninterruptible Power Supplies (UPS): Facilitates efficient power conversion and battery charging/discharging in UPS systems, ensuring uninterrupted power supply during outages.
3. Switch-Mode Power Supplies (SMPS): Drives power switches in SMPS designs, enabling efficient conversion of electrical energy for various electronic devices.

Detailed and Complete Alternative Models

1. IR2104: Similar functionality with dual high-side and low-side outputs.
2. IRS2110: Higher output current capability and additional protection features.
3. IR2184: Integrated half-bridge driver with independent inputs for high-side and low-side control.

These alternative models offer similar functionality to the IR2127STR and can be considered based on specific application requirements.

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