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STWBC-EP

Digital controller for wireless battery charger transmitters (WBC) in 15 W medium power applications; ? Digital controller for wireless battery charger transmitter\n? 15 W single coil inductive transmitters optimized for:\n? Cell phones and smartphones\n? Tablets and phablets\n? Charging accessories\n? Support for Wireless Power Consortium (WPC) 1.2 EPP 15 W certified applications\n? Backward compatible with 5 W WPC 1.1 applications\n? Support for half bridge topology with DC/DC\n? VIN range: 3 V to 5.5 V\n? Supports USB Vin\n? Active presence detector\n? Foreign object detection\n? Q-factor measurement? Parametric customization via GUI\n? Turnkey firmware solution\n? Peripherals\n? 10-bit ADC\n? UART interface\n? I2C master fast/slow speed rate\n? GPIOs\n? Memory\n? Flash and EEPROM with read-while-write (RWW) and Error Correction Code (ECC)\n? Program memory: 32-Kbyte Flash; data retention: 20 years at 55 °C after 1000 cycles at 55 °C\n? Data memory: 1 Kbyte true data EEPROM; data retention: 20 years at 55 °C after 1000 cycles at 85 °C\n? RAM: 6 Kbytes\n? Transmitter reference design:\n? WPC Qi 1.2.3 certified\n? MP-A10 single coil 15 W topology\n? Evaluation board order code: STEVAL-ISB044V1\n? 2-layer PCBs\n? Active object detection\n? Graphical User Interface for application monitoring\n? Operating temperature: -40 °C up to 105 °C\n? Package: VFQFPN32 - 5 x 5mm;

The STWBC-EP is the digital controller for the wireless battery charger (WBC) transmitters (TX) from STMicroelectronics optimized for Extended Power Profile (EPP) Wireless Power Consortium (WPC) 1.2 certified applications up to 15 W.\n It offers the most flexible and efficient solution for controlling the power transfer to a receiver (RX) in WBC-enabled applications such as smartphones, tablets and other battery-powered devices that use the electromagnetic induction for recharging.\n The TX is responsible for controlling the transmitting coil and generating the correct amount of power requested by the RX. The RX continuously provides the transmitter with the correct power level requested, by modulating the transmitter carrier through the controlled resistive or capacitive load. Generating the correct amount of power ensures the highest level of end-to-end efficiency due to reduced energy losses. It also helps maintaining a lower operational temperature.\n The TX can adapt to the amount of energy transferred by the coil by modulating the frequency, duty cycle or amplitude of the PWM voltage on the transmitting coil.\n The STWBC-EP is capable of bidirectional communication with the RX as specified by the WPC 1.2 protocol.\n

STWBC-EP

Digital controller for wireless battery chargers transmitters for Qi 15 W applications

STWBC-EP

Qi MP-A15 15W wireless charger TX evaluation kit based on STWBC-EP

STWBC-EP

Package：32-VFQFN 裸露焊盤；包裝：散裝 類別：集成電路（IC） 電源管理 - 專用 描述：VFQFPN 5X5X1.0 32L P

STWBC-EPTR

Digital controller for wireless battery chargers transmitters for Qi 15 W applications

STWBC-EPTR

Package：32-VFQFN 裸露焊盤；包裝：散裝 類別：集成電路（IC） 電源管理 - 專用 描述：IND.\u0026 POWER CONV.