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STWBC86JR Datasheet(PDF) 28 Page - STMicroelectronics

Part # STWBC86JR
Description  Qi compatible wireless power transmitter for 5W applications with integrated full bridge
PDF  40 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STWBC86JR Datasheet(HTML) 28 Page - STMicroelectronics

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8
Application information
This chapter is aimed to provide some application hints such as a reference schematic, PCB layout guidelines,
minimum components to properly run an application and other aspects.
8.1
Reference application
A typical STWBC86 application schematic is shown below.
Typical component values for a power transmitter capable of 5W output power are listed in the tables below.
Figure 11. STWBC86 basic application diagram
GPIO0
AC1
AC2
VINV
VIN
COIL
VINPUT
STWBC86
CINV
BOOT1
BOOT2
CBOOT1
CBOOT2
CSER
SCL
SDA
INT/GPIO6
VPULL_UP
RESETB
GPIO1
GPIO2
GPIO3
GPIO4
V5V0
V1V8
NTC
CV5V
CV18
Rdown
Rup
VSSA
VSSD
RFLT3
RFLT1
RFLT2
CFLT3
CFLT2
CFLT1
GPIO5
GPIO7
D1
``
RING NODE
RING NODE
ADC
R1
R2
R3
R4
C1
C2
VSSP
Table 19. Typical components list for a 5 W Tx application
Component
Value
Manufacturer
Part Number
Notes
L1
6.3µH
Wurth
760308111
Primary coil
STWBC86
Application information
DS14079 - Rev 1
page 28/40



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