The TD350 is an advanced IGBT/MOSFET driver with integrated control and protection functions. Principles of operation and application examples for the TD350 are described extensively in application note AN1944. The present application note concerns the characteristics and use of the demoboard available for testing the TD350.
This document details the use of the demoboard for the TD350 Advanced IGBT/MOSFET driver. It describes the board's layout, electrical schematic, and bill of materials, explaining how the board is configured with an optocoupler input and specific gate drive resistors. The note covers key features such as the Active Miller Clamp, 2-level turn-off, and desaturation protection implemented on the board.
| Board dimensions | 26x35mm |
|---|---|
| Output current capability (typical) | 2A/1.5A |
| Input filtering rejection | 100ns |
| Blanking time (with C1=100pF) | 3ms |
| Intermediate off level duration (original config) | 1.5us |
| Intermediate off level voltage (original config) | 10V |
The demoboard can be modified by implementing the optional components R2, R3, R4 and C8.
Connect DESAT to GND by shorting together pin 1 and pin 3 on the demoboard output connector.