The MP3378E integrates several protection modes for both the WLED controller and the buck converter: MPS | Monolithic Power Systems Controller Part Integrated Protections WLED Controller
Sets the step-up converter's switching frequency via an external resistor to ground. mp3378e protection pin upd
The OVP pin uses a resistor divider from the output to ground to set the threshold . The MP3378E integrates several protection modes for both
VLEDX_OVcap V sub cap L cap E cap D cap X _ cap O cap V end-sub VLMTcap V sub cap L cap M cap T end-sub Thermal Shutdown TSTcap T sub cap S cap T end-sub Design Updates and Best Practices (The "UPD") mp3378e protection pin upd