| Avago NOW - February 2013 |  | | New Generation of Smart Gate Drive Optocoupler... Read more>> |
In this February issue of AvagoNOW you will find product highlights selected by our technical specialists, upcoming events, and the latest news from Avago.
Featured this month:
- Products - New Generation of Smart Gate Drive Optocoupler... Read more >>
- Featured Article - More Accurate Desaturation Voltage Detection... Read more >>
- Event - OFC/NFOEC 2013... Read more >>
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| Optocoupler Solutions - New Generation of Smart Gate Drive Optocoupler |
Industry’s First Dual-Output Gate Drive Optocoupler Maximizes Gate Drive Design Scalability and Power Conversion Efficiency
Avago Technologies is pleased to announe a new highly-integrated smart gate drive optocoupler device, the ACPL-339J. The device is a 1A output current gate drive optocoupler with dual outputs optimized for driving both high-side and low-side gates of the MOSFET buffer stage. The ACPL-339J features an internal active timing control circuitry preventing cross conduction and minimizing switching losses in the MOSFET buffer stage.
Expanding upon previous generations of market-proven smart gate drive optocoupler devices, the ACPL-339J is designed to further maximize gate drive design scalability for motor control and power conversion applications ranging from low to high power ratings. Uniquely designed to support MOSFET buffer of various current ratings, the ACPL-339J makes it easier for system engineers to support different system power ratings using one hardware platform by interchanging the MOSFET buffers and power IGBT/MOSFET switches. More importantly, these changes can be made without redesigning the critical circuit isolation and short circuit protection.
ACPL-339J-000E, Dual-Output Gate Drive Optocoupler - Product Page
Press Release... Click Here
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| Featured Article - TECH ONLINE |
More Accurate Desaturation Voltage Detection through Sensitivity Scaling/Desaturation Blanking Improves Power Mosfet IGBT and Silicon Carbide Switch Protection
Since desaturation voltage rise can be seen with a sudden surge in current, it can be used to protect the power device against possible short circuit fault that might occur. However, simply measuring the voltage is difficult, because the voltage can go extremely high. Fortunately, this can be done easily with GD IC such as ACPL-332J from Avago. But the CC is fixed, not suitable for dealing with various different switches that call for different charging times. Theoretical analysis of commonly found circuits is often complex. This paper discusses these circuits and analyzes them theoretically in order to calculate their blanking time, or sensitivities, accurately.
Read more... Click Here |
| Event - OFC/NFOEC 2013 |
Avago will be showcasing the latest optical communications products and technologies targeting 40G/100G and beyond. The live technology demonstrations will be in the Avago Booth #1043 at the OFC/NFOEC 2013.
Where: Anaheim Convention Center, Anaheim, CA, USADate: March 17-21, 2013Time: 10:00 AM to 5:00 PM PST
Find out more... Click Here |
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