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STMicroelectronics Unveils New Plug-and-Play Wireless-Charging Kit

STWBC-WA

Built around the STWBC-WA wireless charging-transmitter controller, STMicroelectronics unveils a plug-and-play wireless battery-charger development kit.

The New STEVAL-ISB045V1 from ST Let Users:

  • Quickly build ultra-compact chargers up to 2.5W with a space-saving 20mm-diameter coil, for charging small IoT devices and wearables such as smartwatches, sports gear, or healthcare equipment.
  • The kit comprises a charging base unit containing a transmitter board with the 20mm coil already connected and ready to use.
  • Getting started is easy, using the PC-based STSW-STWBCGUI software to configure the STWBC-WA and monitor runtime information such as power delivered, bridge frequency, demodulation quality, and protocol status. The kit includes a dongle for running the GUI.
  • The supporting ecosystem includes certified reference boards, software, and detailed documentation to help developers quickly deliver the smallest and best-performing chargers into fast-growing new markets for smart objects and wearables.
  • The STWBC-WA controller chip contains integrated drivers and natively supports full-bridge or half-bridge topologies for powering the antenna.
  • The half-bridge option allows charging up to 1W with a smaller-diameter coil for an even more compact form factor.

The chip supports all standard wireless-charging features, including Foreign Object Detection (FOD) and active presence detection for safe charging, and uses digital feedback to adapt the transmitted power for optimum efficiency at all load conditions. Two firmware options give users the choice of a fast turnkey solution or customizing the application using APIs to access on-chip peripherals including an ADC, a UART, and GPIOs.

Availability and Pricing

The STEVAL-ISB045V1 kit is available now for $42. STWBC-WA transmitter controller ICs are in production, priced from $2.82 in VFQFPN32 package for orders of 1000 pieces.

Further Info on Plug-and-Play Wireless Battery-Charger STEVAL-ISB045V1 from ST:  Click here

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Niloy Banerjee

A generic movie-buff, passionate and professional with print journalism, serving editorial verticals on Technical and B2B segments, crude rover and writer on business happenings, spare time playing physical and digital forms of games; a love with philosophy is perennial as trying to archive pebbles from the ocean of literature. Lastly, a connoisseur in making and eating palatable cuisines.

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