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Product Detailed Parameters
- Description：IC GATE DRVR LOW-SIDE MODULE
- Series：-
- Mfr：Powerex Inc.
- Package：Bulk
- Driven Configuration：Low-Side
- Channel Type：Single
- Number of Drivers：1
- Gate Type：IGBT
- Voltage - Supply：14.2V ~ 15.8V
- Logic Voltage - VIL, VIH：-
- Current - Peak Output (Source, Sink)：12A, 12A
- Input Type：Inverting, Non-Inverting
- Rise / Fall Time (Typ)：300ns, 300ns
- Operating Temperature：-20°C ~ 60°C
- Mounting Type：Through Hole
- Package / Case：30-SIP Module, 21 Leads
- Supplier Device Package：30-SIP
- Grade：-
- Qualification：-
- High Side Voltage - Max (Bootstrap)：-
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Overview
The VLA500-21R is a hybrid integrated circuit designed for driving n-channel IGBT modules in gate-amplifier applications. It functions as an opto-isolated gate driver with desaturation detection and an integrated DC/DC converter. The device provides electrical isolation between input and output via an opto-coupler, ensuring safe operation in high-voltage environments. It features a low-side drive configuration suitable for single-channel control of power transistors.
Feature Summary
- Fully isolated gate drive circuit with optical coupling
- Integrated over-current protection based on desaturation detection
- Built-in DC/DC converter for isolated power supply generation
Applications
- IGBT module gate amplification
- Inverter circuits requiring isolated drive
- AC servo drive systems
Procurement Notes
Verify the specific suffix '21R' against official Powerex documentation to confirm pinout and isolation ratings. Ensure compatibility with target IGBT voltage levels. Check for updated revision notes regarding thermal performance or packaging changes before finalizing procurement specifications.
Selection Notes
Select this component when an integrated solution combining gate driving, isolation, and desaturation protection is required. It eliminates the need for external isolated power supplies and discrete protection components. Suitable for designs prioritizing compactness and reliability in high-power switching applications.
Part Context
Powerex Inc. manufactures specialized power electronics components, including gate drivers for industrial and automotive applications. The VLA series represents their hybrid integrated circuit offerings, focusing on robust isolation and protection features for IGBT and MOSFET technologies.
Replacement Considerations
Consult official cross-reference lists for verified substitutes. Generic replacements may lack the integrated DC/DC converter or specific desaturation timing characteristics. Verify pin compatibility and isolation voltage ratings before substitution.
