STWBC-EP

STWBC-EP Digital controller for wireless battery chargers transmitters for Qi 15 W applications Datasheet - production data Features  Digital controller for wireless battery charger transmitter  15 W single coil inductive transmitters optimized for: – Cell phones and smartphones – Tablets and phablets – Charging accessories  Support for Wireless Power Consortium (WPC) 1.2 EPP 15 W certified applications – Backward compatible with 5 W WPC 1.1 applications  Support for half bridge topology with DC/DC  VIN range: 3 V to 5.5 V – Supports USB Vin  Active presence detector  Foreign object detection  Q-factor measurement  Parametric customization via GUI  Turnkey firmware solution  Peripherals – 10-bit ADC – UART interface – I2C master fast/slow speed rate – GPIOs  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 cycl...