STMicroelectronics

STWBC-EP Digital Controller

STMicroelectronics' STWBC-EP digital controller for wireless battery charger transmitters designed for Qi 15 W applications

Image of STMicroelectronics' STWBC-EP Wireless Battery Charger TransmitterSTMicroelectronics’ 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
  • 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
  • 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
Applications
    
  • Wireless battery charging up to 15 W for:
    • Smartphones
    • Tablets
    • Charging accessories
    

STWBC-EP Digital Controller

ImageManufacturer Part NumberDescriptionMounting TypeAvailable QuantityPriceView Details
IND.& POWER CONV.STWBC-EPTRIND.& POWER CONV.Surface Mount0 - Immediate$45.69View Details

Eval Board

ImageManufacturer Part NumberDescriptionFunctionAvailable QuantityPriceView Details
EVAL BOARD FOR STWBC-EPSTEVAL-ISB044V1EVAL BOARD FOR STWBC-EPWireless Power Supply/Charging0 - Immediate$828.72View Details
Published: 2017-11-27

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Publish Date: 2018-03-23

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