[原创] ST STWBC－WA和STWLC04 1W可穿戴无线电源系统解决方案

ST公司的STEVAL-ISB038V1是1W可穿戴无线电源系统,包括无线电源发送器STEVAL-ISB038V1T和无线电源接收器STEVAL-ISB038V1R.接收器采用11mm线圈,发送器采用20mm线圈,USB 5V输入,在接收器边提供1W功率.这种超紧凑无线电池充电系统主要用在可穿戴设备,智能手表,物联网(IoT)传感器和保健设备.本文介绍了无线电源系统STEVAL-ISB038V1主要特性,发送器STEVAL-ISB038V1T和接收器STEVAL-ISB038V1R主要特性,电路图和材料清单以及接收板PCB装配图.

Wireless charger transmitter evaluation board based on STWBC-WA for wearable applications The STEVAL-ISB038V1 is a wireless battery charger reference design evaluation kit designed for ultra-compact battery operated devices, such as wearable gear, smartwatches, Internet of Things sensors and healthcare devices.

The design is optimized for 1-watt wireless power transfer with a half-bridge topology on the transmitter side and with tiny 11 mm and 20 mm coils on the receiver and transmitter sides, respectively. For power transfers up to 3 watts, the design can be modified by using larger coils and a full-bridge configuration on the transmitter.
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