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Skyworks leads the way with isolation solutions for EV fast chargers

EV Charging30 Apr 2024
Close-up of an electric vehicle being charged using a yellow cable
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The growth in the electric vehicle (EV) market is being matched by the in-kind growth of the EV charging market. In order for EVs to be more fully accepted, though, charging must be made faster, and this usually happens through the use of higher levels of power.

Experience the next generation of electric vehicle (EV) fast charging with distributed architecture. By centralizing power distribution and utilizing modular charging piles with dynamic power allocation, this innovative solution revolutionizes charging efficiency. Prepare for high-power capabilities and cost-effective charging, paving the way for widespread EV adoption.

Topology

Applications

  • Rectification & PFC stage
  • DC-DC converters for vehicle plug-in

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High level block diagram shows 480 V incoming 3 phase AC

Figure 1

DC Fast Charger – Rectification & PFC Stage

A technical diagram illustrates an AC/DC rectification power stage, including Vienna rectifier modules, boost and current shunt components, and a controller. The system is shown interfacing with a filtered 480 V 3-phase input and outputs to an HV DC bus. Key visual elements include labeled modules, signal paths, and numeric values such as '480 V' and '3-phase'.

Total Sockets Per Module

Isolated Gate Drivers

  • Si828x
  • Si82Fx (Coming soon)

Isolated Analog Sensors

  • Si89xx family for current and voltage sensors

Communication link

  • Si858x for isolated RS-485
  • Si86xx and Si86Sx isolators

DC Fast Charger – Fast Charging Station

This image displays a detailed schematic of a high voltage DC bus power electronics system. The diagram includes labeled components such as controllers, fuses, relays, and various circuit blocks, with clear pathways for power and signal flow.

Total Sockets Per Module

Isolated Gate Drivers

  • Si828x
  • Si82Fx (Coming soon)

Isolated Analog Sensors

  • Si89xx family for current and voltage sensors

Communication link

  • Si858x for isolated RS-485
  • Si86Sx isolators

Si828x EVB/Reference Designs

si82Si8284 v2-kit Isolated Gate Driver Evaluation Kit

The Si8284V2-KIT’s evaluation board highlights the Si8284 part number from the Si828x family of isolated SiC FET and IGBT gate drivers. The Si8284 combines a high-quality, isolated gate driver with a high-efficiency dc-dc converter to simplify system power routing. The dc-dc converter in this configuration utilizes an external FET for power switching, which allows up to 24V input voltage.

A blue printed circuit board is shown with various electronic components, connectors, and adjustment dials. The board features visible microchips, resistors, and capacitors, as well as several screw terminals and test points.

Design Support: Tools and Enablement

Si89xxISO-KIT Isolated Analog Evaluation Kit

Industry standard footprint option for drop-in replacement Extensive documentation

  • UG383 Si89xx EVB User Guide
  • AN1215 SINC3 Filter for DSM Applications
  • AN1270 Si89xx Estimating Total Static Error
  • Easy to use development kits
  • Analog boards include input and output filter options
  • DSM boards include SINC3 filter with programmable OSR, sample size, and clock source

A blue printed circuit board is shown with various electronic components, including integrated circuits, capacitors, and connectors. The board features two prominent coaxial connectors at the bottom and several green terminal blocks at the top.

Si85855-KIT

This evaluation kit is designed for quick and easy evaluation of the Si85855D 10 Mbps, 5.0 V, half duplex transceiver.

A blue Skyworks evaluation board is shown with various electronic components and connectors. The layout includes integrated circuits, capacitors, and terminal blocks, all mounted on the surface.

A blue printed circuit board from Skyworks is shown with various labeled channels and components. The board features two green terminal connectors at the top labeled VBI 5.0V 2A and VBQ 1.5V MAX.

Si86S6xx-KIT Si86S6xx isolator evaluation kit

The Si86S6xx isolator evaluation kit includes several options from this family including dual channels, I2C and 6-channel devices in a WB SOIC-16, QSOP-16, NB SOIC-16 or WB SOIC-8 (SSO-8) package options. This EVB is intended to simplify basic functional testing and engineering validation of various isolation product configurations.

Discover isolation for EV fast chargers

Article Tags

EV Charging
Skyworks Solutions
Electric vehicles (EV)

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