STWBC-MC

NRND

Digital controller for wireless battery chargers transmitters for Qi multicoil applications

Quantity $ per Unit Savings
1 - 9$6.550%
10 - 24$5.9210%
25 - 99$5.0024%
100 - 249$4.7727%
250 - 499$4.6130%
500$4.1637%
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In stock
$6.55
Parameter NameParameter Value
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius105.0
ECCN US3A991A2
ECCN EUNEC
Packing TypeTray
ROHS Compliance GradeEcopack2
GradeIndustrial
Package NameVFQFPN 32 5x5x1.0 mm
Key features
  • Digital controller for wireless battery charger transmitter
  • Multi-coil inductive transmitters optimized for:
    • Cell phones and smartphones
    • Tablets and phablets
    • Charging accessories
  • Support for Wireless Power Consortium (WPC) 1.2 EPP applications
    • Backward compatible with WPC BPP and 1.1 5W 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 Kbytes Flash; data retention: 20 years at 55 °C after 1000 cycles at 55 °C
    • Data memory: 1 Kbyte true data EEPROM; data retention: 20 years at 55 °C after 1000 cycles at 85 °C
    • RAM: 6 Kbytes
  • Transmitter reference design:
    • Multi-coil EPP topology
    • 2-layer PCBs
    • Active object detection
    • Graphical user interface for application monitoring
  • Operating temperature: -40 °C up to 105 °C
  • Package: VFQFPN32 5 x 5 mm