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STWBC86 数据表(PDF) 4 Page - STMicroelectronics

部件名 STWBC86
功能描述  Qi compatible wireless power transmitter for 5W applications with integrated full bridge
PDF  40 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STWBC86 数据表(HTML) 4 Page - STMicroelectronics

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3
Device pinout
Figure 2. Pin assignment (through top view)
VSSP
AC1
AC1
VINV
VINV
AC2
AC2
VSSP
VSSP
AC1
AC1
VINV
VINV
AC2
AC2
VSSP
SDA
INTB
RSTB
GPIO7
GPIO2
GPIO3
GPIO4
GPIO5
NC
NC
NC
SCL
NTC
V1V8
BOOT1
NC
NC
VSSD
V5V0
VSSA
VIN
NC
VIN
GPIO0
VIN
VSSD
VIN
BOOT2
NC
GPIO1
VS
ADC
NC
VSSA
VSSA
VINV
NC
VSSA
VSSA
VSSA
V5V0
VSSA
VSSD
VIN
VSSA
VSSA
VSSD
VSSD
VSSA
V1V8
VSSD
VSSD
VSSD
VSSD
VSSD
VSSD
A
B
C
D
E
F
G
H
J
1
2
3
4
5
6
7
8
Table 1. Pin description
Pin name
Pin location
Pin function
VSSA
C4,C5,D3,D4,
D5,E5,F5,F6,
G6,G7
Analog ground.
VSSD
E4, F3, F4, G2, G3,
G4, H3, H4, H5, H6,
H7
Digital ground. Reference for digital input and output signals.
VSSP
A1, A8, B1, B8
Power ground. Power return for the inverter.
AC1
A6, A7, B6, B7
AC power input: Output of the inverter. Connect to the Tx series resonant circuit.
AC2
A2, A3, B2, B3
AC power input: Output of the inverter. Connect to the Tx series resonant circuit.
BOOT1
E7
Inverter bootstrap capacitor, connect a 47 nF (typical) ceramic capacitor between this
pin and AC1.
BOOT2
C1
Inverter bootstrap capacitor, connect a 47 nF (typical) ceramic capacitor between this
pin and AC2.
VINV
A4, A5, B4,
B5, C3
Inverter input supply. A suitable capacitor between these pins and VSSP ensures
residual AC ripple filtering.
VS
F1
ASK demodulation input. (optional) ADC in: Ring node voltage input used for FOD
ADC
G1
NTC
F8
Coil temperature sensing input: connect to the center tap of a resistor divider having
an NTC in the low-side position. If this function is not used, the pin must be pulled-up
to V1V8 through a 10 kΩ resistor to prevent triggering the coil over-temperature
protection.
VIN
D2, E1, E2,
E3, F2
Power supply input. Connect a suitable filtering capacitor between these pins and
ground to ensure stable operation and proper load transient response in all operating
conditions.
STWBC86
Device pinout
DS14079 - Rev 1
page 4/40



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