: Features transient voltage protection and current limiting to prevent motor burnout Adjustability
The is more than just a wiring diagram; it is a snapshot of a specific era in low-cost audio manufacturing—an era where USB-C was becoming standard, battery safety was improving, and Class-D efficiency was nearing 90%. jymc220bi schematic 2021
The 2021 revision adds a between VS and the main VMOT rail to reduce high-frequency noise. : Features transient voltage protection and current limiting
For a buck topology: