STMicroelectronics’ STWBC-EP digital controller performs all the essential functions for delivering power with the Qi extended power profile with no compromise in efficiency, safety, and usage convenience.
STWBC-EP allows a step-wise increase to higher power levels with an enhanced user experience.
Features |
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- Active presence detection
- Patented Q-factor measurement for accurate FOD estimation
- Coil current and voltage monitoring for accurate power control
- Patented triple path algorithm for robust signal demodulation
- Temperature monitoring and protection
- Dual LED status signaling
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- UART open protocol interface to control and monitor the system via GUI or host CPU
- Low standby power consumption down to 16 mW for maximum efficiency
- Flash memory based
- 32-lead QFN (5 mm x 5 mm) package for a compact design
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Applications
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- Wireless battery charging up to 15 W for:
- Smartphones
- Tablets
- Charging accessories
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