STWBC-EP是一顆採用數位控制的無線充電發射晶片，支援WPC 1.2標準，該晶片採用半橋拓樸設計，最大功率可達15W以上。無需用傳統的充電電源線連接到需要充電的終端設備上，採用了最新的無線充電技術，通過使用線圈之間產生的交變磁場，傳輸電能，電感耦合技術將會成為連接充電基站和設備的橋樑。支持蘋果及三星手機快充，最大輸出功率達15W.
►場景應用圖
►展示板照片
►方案方塊圖
►核心技術優勢
1. Digital controller for wireless battery charger transmitter 2. 15 W single coil inductive transmitters optimized for: – Cell phones and smartphones – Tablets and phablets – Charging accessories 3. Support for Wireless Power Consortium (WPC) 1.2 EPP 15 W certified applications – Backward compatible with 5 W WPC 1.1 applications 4. Support for half bridge topology with DC/DC 5. VIN range: 3 V to 5.5 V – Supports USB Vin 6. Active presence detector 7. Foreign object detection
►方案規格
1. Q-factor measurement 2. Parametric customization via GUI 3. Turnkey firmware solution 4. Peripherals – 10-bit ADC – UART interface – I C master fast/slow speed rate – GPIOs 5. Memory – Flash and EEPROM with read-while-write (RWW) and Error Correction Code (ECC) – Program memory: 32-Kbyte Flash; data retention: 20 years at 55 °C after 1000 cycles at 55 °C – Data memory: 1 Kbyte true data EEPROM; data retention: 20 years at 55 °C after 1000 cycles at 85 °C – RAM: 6 Kbytes