ST-ONE

ST-ONE Datasheet Fully integrated controller for smart chargers Features ZVS non-complementary active clamp flyback controller with synchronous rectification and USB-PD 3.1 PPS interface ARM® 32-bit Cortex®-M0+ MCU with 64 kB flash memory for digital power control and USB protocol – FW programmable secondary side MCU controls both synchronous rectifier and ZVS active clamp flyback on the primary side to improve system efficiency in every condition – High switching frequency operations in companion with MasterGaN power stage allow to use small size magnetic components, including planar transformers Reinforced galvanically isolated dual communication channel compliant with IEC 62368-1: – 4 kV pk transient voltage – 9.6 kV pk 1min hipot type testing – 6.4 kV pk 1s hipot production testing 800 V high voltage startup with integrated input voltage sensing and Brownin/out functions Active input filter capacitor discharge circuitry for reduced standby power compliant with IEC 62368-1 Fully Integrated USB-PD PHY with 24 V tolerant protection, and integrated load switch driver Product status link ST-ONE Product label Application USB-PD chargers and adapters up to 100 W for smartphones, tablets, laptops and other handheld equipment Figure 1. Typical system block diagram VINAC VBUS ST-ONE TYPE-C USB Description The ST-ONE is the world’s first digital controller embedding ARM Cortex M0+ core, an offline programmable controller with synchronous rectification, and USB...