ST STWBC-EPTR

ST’s STWBC-EP performs all the essential functions for delivering power with the Qi Extended Power Profle with no compromise in effciency, safety and usage convenience. STWBC-EP allows a stepwise increase to higher power levels enabling devices to be charged up to three times more quickly, with an enhanced user experience. The STWBC-EP completes the STWBC family of wireless battery charger digital TX controllers allowing full compatibility with the new Qi 1.2.3 standard and extending the transmittable power to 15 W. The STWBC-EP performs all the essential functions for delivering power with the Qi Extended Power Profle. Beyond the detection of a valid receiver and power control, it also supports extended Foreign Object Detection (FOD) through bi-directional communication with the receiver and maximizes the effciency with more than 80% in working condition, and down to 16 mW consumption in standby. The STWBC-EP offers plug-and-play frmware, for an easy integration in fnal products.

• Patented Q-factor measurement for accurate FOD estimation and active presence detection
• Low standby power consumption down to 16 mW for maximum effciency
• More than 80% effciency in working conditions
• Coil current and voltage monitoring for accurate power control
• Patented triple path algorithm for robust signal demodulation
• UART open protocol interface to control and monitor the system via GUI or host CPU
• Dual LED status signaling
• Flash memory based
• 32-lead QFN (5 x 5 mm) package for a compact design

• Smartphones
• Tablets
• Charging accessories