Electrostatic discharge protection circuit using GaN-based devices

An electrostatic discharge (ESD) protection circuit using GaN devices, comprising:

• a power high electron mobility transistor (HEMT) with a gate, a source and a drain, said source and said drain are coupled
• respectively to a first reference voltage and a second reference voltage;
• and
• an ESD protection block, comprising:
• a first sub-block, comprising:
• a first trigger with one terminal coupled to said gate;
• a first Two-Dimensional Electron Gas (2DEG) resistor with one terminal coupled to another terminal of said first trigger;
• a first LV-HEMT with a first gate, a first source and a first drain, said first gate is coupled to said another terminal of said first trigger and said terminal of said first 2DEG resistor, and said first source is coupled to said gate and said terminal of said first trigger;
• and
• a first lateral field effect rectifier with one terminal coupled to said first gate,
• said another terminal of said first trigger and said terminal of said first 2DEG resistor;
• a second sub-block, comprising:
• a second trigger with one terminal coupled to said source and said first reference voltage;
• a second 2DEG resistor with one terminal coupled to another terminal of said second trigger;
• a second LV-HEMT with a second gate, a second source and a second drain, said second gate
• is coupled to said another terminal of said second trigger and said terminal of said second 2DEG resistor, and said second source is coupled to said source and
• said first reference voltage;
• and
• a second lateral field effect rectifier with one terminal coupled to said second gate,
• said another terminal of said second trigger and said terminal of said second 2DEG resistor;
• wherein another terminal of said first 2DEG resistor, another terminal of said second 2DEG resistor,
• another terminal of said first lateral field effect rectifier, another terminal of said second lateral field effect rectifier, said first drain and said second drain are coupled with each other.