POWER AND LINEAR IC SOLUTIONS

New Optically Isolated Gate Drivers for Industrial Motor Applications

Avago’s ACPL-332J and ACPL-331J gate drive optocouplers provide isolated gate drive functions for IGBTs and MOSFETs in applications such as industrial motors and inverters, Switch Mode Power Supplies (SMPS) and Uninterruptible Power Supplies (UPS). Their high output current and high level of integration help designers to reduce product design cycle time while improving application efficiency, safety and performance.



The new devices enable engineers to develop reliable yet cost effective motor control systems with better protection, enhanced precision and the ability to operate in noisy environments. They feature active Miller clamping (1.0A typical), eliminating the need for a negative gate drive and saving negative power supply and PCB space. Other integrated features include V_ce desaturation detection to protect against over current situations, Under Voltage Lock Out (UVLO) protection, IGBT shut down and isolated, open collector fault feedback.

Based on GaAsP LEDs, the ACPL-332J and -331J support a wide operating voltage range (15V to 30V) and industrial temperature range (-40°C to +100°C). An enhanced ability to function in noisy environments is conferred by the devices’ industry leading Common Mode Rejection (CMR) specifications, 15kV/µs at a V_cm of 1.5kV.

The ACPL-332J and -331J provide 2.5A and 1.5A drive, respectively. Both devices are CSA approved, with approvals also pending for UL1577 and IEC/EN/DIN EN 60747-5-2.

Features

• Optically isolated IGBT/MOSFET gate drivers
• 1.5A and 2.5A drive options
• Active Miller clamping (1.0A typical)
• V_ce desaturation detection
• Under voltage lock out
• IGBT shut down
• Isolated, open collector fault feedback.
• Wide operating voltage range (15V to 30V)
• Industrial temperature range (-40°C to +100°C)
• Common mode rejection 15kV/µs at V_cm of 1.5kV.
• CSA approved
• UL1577 and IEC/EN/DIN EN 60747-5-2 pending

Applications

• Industrial motors and inverters
• Switch mode power supplies
• Uninterruptible power supplies

For further information, including Datasheets for the ACPL-331J and ACPL-332J, please click here