ST-ONE

量産中
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スマート･チャージャ向け高集積型デジタル･コントローラ

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概要

製品概要

概要

概要

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. The two sides are connected through an embedded galvanically isolated dual communication channel. By using a novel non-complementary control technique and specifically designed power modes the device allows to reach both high efficiency and low no load power consumption

The device is delivered with a pre-loaded firmware which handles both the power conversion and the communication protocols for USB-PD including optional PPS and electronically marked cable management.

A dedicated memory stores a default device configuration during factory process. The user can change or adapt this memory area to fit the final product specifications.

  • 特徴

    • 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 Brown-in/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

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The current status of a product:
Active: Product is in volume production
Evaluation: Product is under characterization. Limited Engineering samples available
Preview: Product is in design stage
Target: Product is in design feasibility stage.No commitment taken to produce
Proposal: Marketing proposal for customer feedback.No commitment taken to design or produce
NRND: Not Recommended for New Design.Product is in volume production only to support customers ongoing production.Marketing description of the package type.Compliancy of the device with industry requirement domains (IRD)The RoHS status of a product:
ECOPACK 1: Initial grade to identify European RoHS compliant products.
ECOPACK 2: New grade to identify brominated chlorinated and antimony oxide flame retardant free products.
ECOPACK 3: Halogen free RoHS exemptions free products.
(*): ECOPACK 2 version available upon request.
(**): Some versions still existing in ECOPACK 1 or not compliant.The current status of a product:
Active: Product is in volume production
Evaluation: Product is under characterization. Limited Engineering samples available
Preview: Product is in design stage
Target: Product is in design feasibility stage.No commitment taken to produce
Proposal: Marketing proposal for customer feedback.No commitment taken to design or produce
NRND: Not Recommended for New Design.Product is in volume production only to support customers ongoing production.Budgetary PriceMarketing description of the package type.Storage method used to contain product.Main country of assembly or fabrication of the product.ECCNs are five character alpha-numeric designations used on the Commerce Control List to identify dual-use items for export control purposes. ECCNs are five character alpha-numeric designations used on the Commerce Control List to identify dual-use items for export control purposes.The value as specified by level (minTypMax) of the ambient temperature (in Cel) in which this item was designed to operate.The value as specified by level (minTypMax) of the ambient temperature (in Cel) in which this item was designed to operate.The value as specified by level (minTypMax) of the ambient temperature (in Cel) in which this item was designed to operate.