The new SRC EiceDRIVER™ family serves the latest generation of highly efficient low-EMI electric drive systems with lower EMI and improved efficiency.
Based on the Infineon coreless transformer technology, it is the first high-voltage isolated gate driver on the market with dynamic Slew Rate Control (SRC) which allows on-the-fly dV/dt control of electric drives through precise gate current control, providing the best trade-off between minimum power dissipation and minimum EMI depending on operating conditions. To turn on the IGBT, the driver works as an adjustable current source in conjunction with an external PMOS transistors and a sense resistor. To turn off the IGBT, the driver uses a 2 A MOSFET output stage.
Target applications
- AC and brushless DC motor drives
- High-voltage DC-DC converters
- UPS systems；Servo drives
Features
- Slew rate control
- Single-channel isolated IGBT Driver
- Supports IGBT up to 1200 V
- IGBT off-state: 2 A pull down to rail
- Overcurrent protection for sense IGBTs and conventional IGBTs
- Desaturation detection
- Soft turn-off shut down: 1 A pull down to rail
- Two-level turn-off
- Operation at high ambient temperature up to 105°C
- Compatible PWM inputs for 3.3 V, 5 V, and 15 V logic voltage
Key components
- 1EDS20I12SV
- 1EDU20I12SV
- 1EDI20I12SV
Benefits
- Optimized short circuit control for 3-level inverters
- Online adjustable current source slew rate control during IGBT turn-on
- Reduce turn-on losses up to 30% or reduce motor maintenance cycle time
- Improved controllability of the system
Block diagrams
Infineon
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