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1SP0351
Single-Channel Plug-and-Play Gate Driver for 4500 V Press Pack IGBT and IEGT
The 1SP0351 single-channel plug-and-play gate driver is based on the SCALE-2 chip set. It is optimized for operation of 4500 V Press-Pack IGBT power modules from manufacturers such as Toshiba, Westcode and ABB.
The gate driver features optical interfaces and a built-in DC/DC power supply with basic isolation. Enhanced level of protection is provided by implemented short-circuit monitoring.
Power Integrations’ Dynamic Advanced Active Clamping allows an extended DC-link voltage range in IGBT off-state for up to 60 s.
The SCALE-2 ASIC chipset uses sophisticated digital control techniques to reduce component count by as much as 85% compared with conventional solutions, significantly increasing reliability.
Highly Integrated, Compact Footprint
- Sophisticated digital control in custom mixed signal ASIC
- Ready-to-use gate driver solution optimized for Press-Pack IGBTs with 4500 V blocking voltage
- Single channel gate driver
- Optical interface
- ±50 A peak output gate current
- 1.8 W output power at maximum ambient temperature
- -40 °C to +85 °C operating ambient temperature
Protection and Safety Features
- Undervoltage lock-out (UVLO) protection for primary-side (low voltage side) and secondary-side (high voltage side)
- Power semiconductor short-circuit protection
- Dynamic Advanced Active Clamping (DAAC) with dv/dt-feedback
- Applied double sided conformal coating
Full Safety and Regulatory Compliance
- 100% production partial discharge test for DC/DC-transformer
- 100% production HIPOT compliance testing at 10.2 kVRMS for DC/DC-transformer
- Clearance and creepage distances between primary and secondary side meet requirements for basic isolation according to IEC 61800-5-1
Applications
- VSC-HVDC
- FACTS
- STATCOM
- Medium voltage drives
- Railway main inverters
- Other industrial applications
• Single-channel gate driver
• Compact autonomous plug-and-play solution
• Suitable for Press Pack and modules
• Fiberoptic interface
• +15 V / -10 V gate driving
• Regulated gate voltage
• IGBT/IEGT short-circuit protection and over-current
protecion
• Dynamic Advanced Active Clamping (DAAC)
• Built-in isolated and regulated DC-DC converter
• DC-DC overload monitoring
• Creepage and clearances according to IEC standards
Power Integrations offers highly integrated IGBT drivers. Based on decades of experience, ASICs have been developed for the driver and monitoring functions, which together with the inductive transformers form the core of the drivers. Extensive application design support is offered.
Highly integrated driver components: cheaper than discrete in-house development
MOSFETs and IGBTs are convenient to drive with low power, unlike bipolar power semiconductors. However, high gate capacitances must be recharged and, in the case of stacked IGBTs for HVDC (high-voltage DC transmission), large potential differences must also be bridged. In addition, there are protection functions for the power semiconductors and a negative bias voltage for IGBTs to be blocked so that they cannot switch through and fail as a result of transients in bridge circuits.
In view of the high voltages, some know-how is required here. For example, special regulations on insulation clearances, clearances and creepage distances, and partial discharge resistance must be observed, and these must also be checked with expensive measuring equipment. Likewise, the degradation of the board substrate and the migration of metal ions in it must be taken into account, which can otherwise lead to premature short circuits and total failures.
Instead of launching costly in-house developments, it makes sense here to use proven, safe driver modules designed using in-house developed, monolithic highly integrated semiconductor components as well as proprietary planar transformers, such as those offered by Power Integrations under the name SCALE (which stands for Scaleable, Compact, All-purpose, Low-cost and Easy-to-use). Power Integrations, previously CONCEPT, has been developing IGBT driver solutions for over 30 years and therefore has unrivaled experience with this topic.
The SCALE devices are driven with standard logic levels from 3.3 to 15 V and are very economical in the IGBT field: they are cheaper and more reliable than conventional discrete circuit designs, especially when it comes to driving high-voltage IGBTs. Thus HY-LINE Power Components offers you everything around inverters and high performance DC/DC converters from one source.
Power Integrations offers both general modules, the SCALE Driver Cores, and modules adapted to specific IGBT modules, the SCALE Plug-and-Play Drivers. In addition, there are the monolithically integrated SCALE iDriver chips.
