STMicroelectronics recently announced that its automotive NFC reader IC, ST25R3914 and its STM8AF microcontroller have been selected by Rohm for the Qi-compliant automotive wireless charging reference design.

NFC-based contactless communication has been commonly used for mobile payment functions of smart phones. In recent years, the use of NFC has rapidly expanded from mobile devices to industrial devices, Internet of Things devices and even automotive systems.

Rohm’s automotive wireless charging module reference design selects the STMicroelectronics NFC reader IC and 8-bit MCU. The reference design is based on the BD57121MUF-M, a Qi standard 15W wireless charger IC developed by Rohm that aims to increase the adoption of wireless charging in the centre console of the vehicle. One benefit of STMicroelectronics technology contribution is to enable the sophisticated control that makes possible the detection of contactless smart cards in proximity to the charging system in order to halt the charging immediately.

Hiroshi Noguchi, regional manager for STMicroelectronics Japan, said: “Rohm uses ST NFC products and 8-bit microcontrollers for its Qi-standard automotive wireless charging reference design, which demonstrates that ST’s extensive product lineup has great potential to create new products.”