The ACPL-3130 is a 2.5 Amp Output Current IGBT Gate Drive Optocoupler. This device is ideally suited for driving IGBTs and MOSFETs used in power inverter applications. The ACPL-3130 operates over an extended industrial temperature range and features high common-mode transient immunity.

Applications

• IGBT and MOSFET gate drives
• Industrial inverters
• Motor control
• Power supplies
• Renewable energy inverters (solar, wind)
• Welding equipment

Features

• 2.5 A maximum peak output current
• High speed: 0.5 μs maximum propagation delay
• 10 kV/μs minimum common-mode transient immunity (CMTI) at VCM = 1000 V
• Under voltage lockout (UVLO) with hysteresis
• Wide operating supply voltage range: 15 V to 30 V
• Wide operating temperature range: -40°C to +105°C
• Safety approvals: UL, CSA, IEC/EN/DIN EN 60747-5-5
• Compact Stretched SO-8 package

Benefits

• Drives IGBTs and MOSFETs directly, simplifying circuit design and reducing component count.
• Provides fast switching speeds, enabling high-frequency operation and improved efficiency.
• Offers excellent noise immunity, ensuring reliable operation in harsh industrial environments.
• Prevents IGBT/MOSFET damage due to insufficient gate voltage with undervoltage lockout feature.
• Enables operation over a wide range of supply voltages and temperatures.
• Meets stringent safety standards for isolation and insulation.
• Reduces board space requirements with its compact package.

Additional Details

The ACPL-3130 utilizes an LED to optically couple an input signal to a high-power output stage. The output stage includes an active pull-up and pull-down circuit that provides high peak current to quickly charge and discharge the gate capacitance of IGBTs and MOSFETs. The device incorporates an under-voltage lockout (UVLO) circuit that disables the output when the supply voltage falls below a certain threshold. This prevents the IGBT or MOSFET from operating in a partially-on state, which can lead to excessive power dissipation and device failure. The UVLO circuit also includes hysteresis to prevent oscillations. The optocoupler provides galvanic isolation between the input and output circuits, protecting sensitive control circuitry from high voltages and currents. The ACPL-3130 is available in a stretched SO-8 package, which provides enhanced creepage and clearance distances for high-voltage applications. Detailed electrical characteristics and application information can be found in the product datasheet.