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ST-ONE Datasheet Fully integrated controller

Manufacturer: STMicroelectronics

Overview: ST-ONE Datasheet Fully integrated controller for smart chargers.

General 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 PD PHY in a single package.

Such a system is specifically designed to control ZVS non-complementary active clamp flyback converters to create high power density chargers and adapters with USB-PD interface.

The device includes an active clamp flyback controller and its HV startup on the primary side, a microcontroller and all the peripherals required to control the conversion and the USB-PD communication on the secondary side.

Key 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 t.