STWBC Datasheet, PDF (1/36 Pages) STMicroelectronics – Digital controller for wireless battery charger

STWBC
Digital controller for wireless battery charger (WBC) transmitters Qi
1.1.2 A11 certified, PMA compatible
Datasheet - production data
VFQFPN32
Features
 Digital controller for wireless battery charger
transmitter
 Multiple Qi certified and PMA standard
compatible
 Support for up to 5 W applications
– Mobile
– Wearable, sports gear, medical
– Remote controllers
 Native support to half-bridge and full bridge
topologies
 5 V supply voltage
 2 firmware options
– Turnkey solution for quick design
– APIs available for application
customization^(a)
 Peripherals available via APIs^(a)
– ADC with 10 bit precision and 1 M input
impedance
– UART
– I²C master fast/slow speed rate
– GPIOs
 Memory
– Flash and E²PROM with read-while-write
(RWW) and error correction code (ECC)
– Program memory: 32 KBytes Flash; data
retention 15 years at 85 °C after 10 kcycles
at 25 °C
– Data memory: 1 KByte true data E²PROM;
data retention:15 years at 85 °C after 100
kcycles at 85 °C
– RAM: 6 KBytes
 Reference design features
– 2 layers PCBs
– Active object detection
– Graphical user interface for application
monitoring
– Evaluation boards
 Operating temperature: -40 °C up to 105 °C
 Package: VFQFPN32
Applications
 Certified Qi A11
– Evaluation board: STEVAL-ISB027V1
– Power rate: 5W
– Input: 5V
 Qi A13^(a)
– Power rate: 5 W
– Input: 5 - 16 V, 12 V
 Wearable^(a)
– Power rate: 2 W
– Input: 5 V
 PMA^(a)
– power rate: 5 W
– input: 5 V
a. Contact local sale representative for further details:
see www.st.com.
February 2015
This is information on a product in full production.
DocID027322 Rev 3
1/36
www.st.com