STDES-PFCBIDIR

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15 kW, three-phase, three-level Active Front End (AFE) bidirectional converter for industrial and electric vehicle DC fast charging applications

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Overview

Product overview

Description

Description

This reference design represents a complete solution for three-phase AC/DC and DC/AC (800 VDC to 400 VAC) applications based on a digital platform optimized for power conversion.

It is well suited for the Active Front End (AFE) stage in high power charging stations, industrial battery chargers and UPS. The high switching frequency of the SiC MOSFETs and the multilevel structure allow nearly 99% efficiency as well as the optimization of passive power components in terms of size and cost.

The STDES-PFCBIDIR is a fully assembled kit developed for performance evaluation only, not available for sale.

  • All features

    • 3-phase, 3-level bidirectional AC-DC power converter:
      • Rated nominal DC voltage: 800 VDC
      • Rated nominal AC voltage: 400 VAC at 50 Hz
      • Nominal power: 15 kW
    • AC to DC rectifier mode:
      • Power factor: PF >0.99
      • Inrush current control and soft startup
    • DC to AC inverter mode:
      • Active and reactive power control
      • Integrated grid connection solution
    • Power section based on SiC MOSFETs:
      • High frequency operation (70kHz)
      • High efficiency: >98%
      • Passive element weight and size reduction
    • Control section based on STM32G474RET3 microcontroller:
      • P2P compatible with different power converters solutions
      • Four integrated high-performance op-amps
      • Control and monitoring interfaces: SWD, UART, I²C, DACs
      • 64-pin digital power connector
      • Overcurrent and overvoltage protection

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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.Compliancy with WEEE Directive (2012/19/EU)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 PriceMain 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.