LMG3422R030: Schematic review

Tool/software:

Hi Expert, 

My customer is using LMG3422 in half bridge typology in micro inverter. but find some issue

• slew rate is only 50V/ns, couldn't get 150V/ns
• overcurrent and fault fake error when first start

could you help to review the schematic and give more comments. 

e2e.ti.com/.../Inverter.pdf

BR

Chi