Without more specific information, it's difficult to discuss the "lddh350aa75" firmware work in detail. However, if you're involved in a project with this identifier, ensure you:
Cross-reference this with manufacturer release notes. If you see v1.0.0 through v1.2.2 , those versions contain a known overmodulation bug at 12kHz PWM—mandating an update. lddh350aa75 firmware work