DC点击型号即可查看芯片规格书
ST点击型号即可查看芯片规格书
STWBC-EP是一颗采用数字控制的无线充电发射芯片,支持WPC 1.2标准,该芯片采用半桥拓朴设计,最大功率可达15W以上。无需用传统的充电电源线连接到需要充电的终端设备上,采用了最新的无线充电技术,通过使用线圈之间产生的交变磁场,传输电能,电感耦合技术将会成为连接充电基站和设备的桥梁。支持苹果及三星手机快充,最大输出功率达15W.
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
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
原文作者:刘小军