IR2106STR

Product Overview

Category: Integrated Circuit (IC)

Use: The IR2106STR is a high voltage, high-speed power MOSFET and IGBT driver IC. It is specifically designed to drive both the high-side and low-side switches in half-bridge and full-bridge configurations.

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

Package: SOIC-8

Essence: The IR2106STR is an essential component in power electronics applications where precise control of high-power devices such as MOSFETs and IGBTs is required.

Packaging/Quantity: The IR2106STR is typically sold in reels or tubes containing 2500 units per package.

Specifications

• Supply Voltage: 10V - 20V
• Output Current: ±210mA
• Operating Temperature Range: -40°C to +125°C
• Propagation Delay: 120ns
• Rise/Fall Time: 30ns
• Maximum Duty Cycle: 50%
• Undervoltage Lockout (UVLO) Threshold: 9.5V

Detailed Pin Configuration

The IR2106STR has a total of 8 pins arranged as follows:

1. VCC: Power supply input pin.
2. VB: Bootstrap supply voltage for high-side gate driver.
3. HO: High-side gate driver output.
4. LO: Low-side gate driver output.
5. COM: Common ground connection.
6. LIN: Logic input for low-side gate driver.
7. SD: Shutdown input for disabling the outputs.
8. VS: High-side floating supply return.

Functional Features

• High voltage level shifting capability.
• Independent high-side and low-side outputs.
• Built-in dead-time generation for preventing shoot-through current.
• Under-voltage lockout protection.
• Over-current protection.
• Thermal shutdown protection.

Advantages and Disadvantages

Advantages: - High voltage capability allows driving of power MOSFETs and IGBTs in various applications. - Fast switching speed enables efficient power conversion. - Low power consumption reduces energy losses. - Compact package size facilitates integration into space-constrained designs. - Robust protection features enhance system reliability.

Disadvantages: - Limited maximum duty cycle of 50% may restrict certain applications. - Requires external bootstrap capacitor for high-side gate driver operation.

Working Principles

The IR2106STR operates by receiving logic input signals on the LIN pin, which controls the low-side gate driver. The high-side gate driver is powered by a bootstrap circuit connected to the VB pin. When the LIN input signal transitions, the IR2106STR generates complementary output signals on the HO and LO pins, driving the high-side and low-side switches respectively. The built-in dead-time generation ensures that both switches are not turned on simultaneously, preventing shoot-through current.

Detailed Application Field Plans

The IR2106STR finds extensive use in various power electronics applications, including: - Motor drives - Switch-mode power supplies - Inverters - Uninterruptible power supplies (UPS) - Solar inverters - Electric vehicle charging systems

Detailed and Complete Alternative Models

1. IR2104STR: Similar to IR2106STR but with lower output current capability.
2. IR2110S: Higher voltage capability and integrated bootstrap diode.
3. IRS21844SPBF: Dual half-bridge driver with independent inputs and outputs.

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

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