The ACPL-W346-000E is a dual-channel, high-speed, high common-mode transient immunity gate drive optocoupler. This device features 2.5A maximum peak output current and is designed to drive IGBTs and MOSFETs in various power conversion applications. It comes in a compact, surface-mountable package.

Applications:

• Isolated IGBT/MOSFET Gate Drives
• Industrial Power Supplies
• Motor Control
• Renewable Energy Inverters (Solar, Wind)
• Automotive Inverters

Features:

• High Peak Output Current: Up to 2.5 A
• High Common-Mode Transient Immunity (CMTI): > 100 kV/µs
• Wide Operating Supply Voltage Range: 15 V to 30 V
• Under-Voltage Lockout Protection (UVLO) with Hysteresis
• Dual-Channel Configuration
• Operating Temperature Range: -40°C to +105°C

Benefits:

• Improved System Efficiency: The high peak output current of the ACPL-W346-000E enables faster switching speeds in IGBTs and MOSFETs, reducing switching losses and improving overall system efficiency.
• Enhanced Reliability: The high CMTI ensures reliable operation in noisy industrial environments, preventing spurious triggering of the power devices.
• Protection Against Device Damage: The UVLO feature protects the IGBT or MOSFET from damage due to insufficient gate voltage during start-up or transient conditions.
• Simplified Design: The dual-channel configuration allows for driving two power devices with a single optocoupler, reducing component count and board space.

The ACPL-W346-000E consists of two AlGaAs LEDs optically coupled to two integrated circuits with power output stages. Each channel functions as a gate driver, providing electrical isolation between the control circuitry and the power switching devices. The high common-mode transient immunity ensures reliable operation in noisy environments, preventing spurious triggering of the power devices. The UVLO feature prevents the gate voltage from falling below a minimum threshold, thereby protecting the IGBT or MOSFET from damage. The device is ideal for applications requiring high isolation voltage and reliable performance in harsh environments.