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Evaluation Board, 1W Wireless Power Transmitter & Receiver, Based on STM32F0, STWLC03 MCU's


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STEVAL-ISB039V1   Datasheet
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Product Overview

The STEVAL-ISB039V1 is a 1W wireless charger system Tx/Rx based on STM32F0 and STWLC03. This evaluation kit based on the STM32F0 microcontroller for wireless battery charger transmitters and the STWLC03 integrated wireless power receiver. The STEVAL-ISB039V1 solution is primarily designed for small systems up to 1W that can be recharged easily and can be adjusted for 2.5W. For the wireless power transmitter, the firmware consists of a single STM32CubeMX platform independent library providing a simple and easily customizable solution for the design of wireless power transmitters with proprietary features. The STWLC03 receiver can deliver the output power in two modes such as a power supply with configured output voltage or as a simple CC-CV battery charger with configurable charging current, charging voltage and termination current. The I²C interface allows the customization of parameters in the device and the storage of configurations in the embedded non-volatile memory.
  • 1W output power
  • WPC 1.1 based communication protocol
  • High efficiency N-channel half bridge architecture with adaptive dead-time control
  • Synchronous digital demodulation of power carrier, reduces BoM considerably
  • Standard or enhanced power transmitter coil
  • Coil temperature monitoring through NTC
  • MCU firmware open for customization
  • Built-in USB connector for input supply voltage
  • Integrated high efficiency synchronous rectifier
  • Integrated 1MHz programmable buck converter with input current and input voltage regulation loops


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Product Information

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Wireless - Battery Charger

Wireless Power Transmitter & Receiver


Eval Board STM32F0, STWLC03


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Technical Documents (1)

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CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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