Isolated IGBT Half-Bridge Gate Driver Module
This is a fully isolated half-bridge gate driver module that can be configured according to the user’s voltage and current requirements. The design consists of two galvanically isolated single-channel gate driver 1ED3124MC12H ICs and a dedicated 2X isolated DC-DC power supply that provides a bipolar output of +15 V / –9 V, 2X IKW15N120BH6 IGBT, and LMV331 comparator and shunt resistor for over current detection.
The board is configured by default for IGBT applications; however, it can also be configured to drive MOSFETs and SiC MOSFETs. Users can select the appropriate power device (IGBT, MOSFET, or SiC MOSFET) based on the required voltage level, power rating, and switching frequency. Suitable Pin to pin compatible RECOM DC-DC converter for MOSFETS, SiC MOSFET.
The gate driver IC can also be chosen according to the gate charge and capacitance of the selected device to ensure optimal switching performance. A list of compatible driver ICs and power device part numbers is provided below for reference.
Compatible Gate Driver IC Options
The board can also accommodate lower-current compatible devices:
- 1ED3120MC12H – 5.5 A source/sink, 8.0 V UVLO
- 1ED3121MC12H – 5.5 A source/sink, 10.5 V UVLO
- 1ED3123MC12H – 14 A source/sink, 8.0 V UVLO
- 1ED3124MC12H – 14 A source/sink, 10.5 V UVLO
- 1ED3131MC12H – 5.5 A source/sink, 180 ns minimum input pulse suppression
Features
- Load Supply Up to 900V DC
- Gate Driver Power 12V DC
- On Board 5V Regulator to drive Gate Driver Input Side Circuitry
- D1 and D2 Power LED DC-DC Output
- Over Current Detection/Alarm Circuit (Isolated Output)
- Screw Terminals for Load and Load Power
- CMOS-compatible input thresholds (3 V to 15 V)
- Compatible with 3.3 V microcontrollers
- Header Connector for Input Signal, Logic Power and Fault Output
- 4 x 4 mm PCB Mounting Holes
- PCB Dimensions 71.12 x 57.15 mm
Core Components
The module is based on:
- 2× 1ED3124MC12H isolated gate driver ICs
- 2X IKW15N120BH6 – 1200 V, 15 A high-speed IGBT with anti-parallel diode (TO-247)
- R12P21509D 2W isolated DC-DC converter
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This is a fully isolated half-bridge gate driver module that can be configured according to the user’s voltage and current requirements. The design consists of two galvanically isolated single-channel gate driver 1ED3124MC12H ICs and a dedicated 2X isolated DC-DC power supply that provides a bipolar output of +15 V / –9 V, 2X IKW15N120BH6 IGBT, and LMV331 comparator and shunt resistor for over current detection.
The board is configured by default for IGBT applications; however, it can also be configured to drive MOSFETs and SiC MOSFETs. Users can select the appropriate power device (IGBT, MOSFET, or SiC MOSFET) based on the required voltage level, power rating, and switching frequency. Suitable Pin to pin compatible RECOM DC-DC converter for MOSFETS, SiC MOSFET.
The gate driver IC can also be chosen according to the gate charge and capacitance of the selected device to ensure optimal switching performance. A list of compatible driver ICs and power device part numbers is provided below for reference.
Compatible Gate Driver IC Options
The board can also accommodate lower-current compatible devices:
- 1ED3120MC12H – 5.5 A source/sink, 8.0 V UVLO
- 1ED3121MC12H – 5.5 A source/sink, 10.5 V UVLO
- 1ED3123MC12H – 14 A source/sink, 8.0 V UVLO
- 1ED3124MC12H – 14 A source/sink, 10.5 V UVLO
- 1ED3131MC12H – 5.5 A source/sink, 180 ns minimum input pulse suppression
Features
- Load Supply Up to 900V DC
- Gate Driver Power 12V DC
- On Board 5V Regulator to drive Gate Driver Input Side Circuitry
- D1 and D2 Power LED DC-DC Output
- Over Current Detection/Alarm Circuit (Isolated Output)
- Screw Terminals for Load and Load Power
- CMOS-compatible input thresholds (3 V to 15 V)
- Compatible with 3.3 V microcontrollers
- Header Connector for Input Signal, Logic Power and Fault Output
- 4 x 4 mm PCB Mounting Holes
- PCB Dimensions 71.12 x 57.15 mm
Core Components
The module is based on:
- 2× 1ED3124MC12H isolated gate driver ICs
- 2X IKW15N120BH6 – 1200 V, 15 A high-speed IGBT with anti-parallel diode (TO-247)
- R12P21509D 2W isolated DC-DC converter
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