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STWBC86 Datasheet(PDF) 26 Page - STMicroelectronics

Part # STWBC86
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

STWBC86 Datasheet(HTML) 26 Page - STMicroelectronics

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Address
Register name
R/W
Default
Description
0x00E2
TX configuration
RW
0x03
Bits [7…0] :TX CE TO MAX
Max count TX retries with different frequency after
failing to listen to CE packet within time frame.
0x00E3
RW
0x0F(1920Hz)
Bits [7…0] : TX FHOP
Define the step size (in Hz) for every frequency hop.
Internally it is multiplied with 128 1: 128Hz step size 2:
256Hz step size 3: 384Hz step size ….
0x00E4
RW
0x00
Bits [7…0]:TX PID MAX CURR
TX max current for PID control target in units of 16mA.
0 - not limited
1 - 16mA ...
255 - 4080mA
Table 17. TX EPT reason
Address
Register name
R/W
Default
Description
0x00E6
TX EPT reason Byte 0
R
-
Bit 0:TX OVP
over voltage triggered
R
-
Bit 1: TX OCP
over current protection triggered
R
-
Bit 2: TX OVTP
over temperature protection triggered
R
-
Bit 3: TX FOD
Foreign object detected
R
-
Bit4: TX HOST
Host issued EPT command
R
-
Bit5: TX RX EPT
EPT Source Rx EPT packet
R
-
Bit6: TX CEP TO
Control error packet timeout
R
-
Bit7: TX RPP TO
Received power packet timeout
0x00E7
TX EPT reason Byte 1
R
-
Bit0: TX RX RST
Rx send SS/ID/CFG at wrong time , probably because of
RX RESET
R
-
Bit1:TX SYS ERR
System error
R
-
Bit2: TX SS TO
Signal strength timeout , Ping time out.
R
-
Bit3: TX SS ERR
Signal strength packet error
R
-
Bit4: TX ID ERR
Identification packet error
R
-
Bit 5: TX CFG
STWBC86
I2C register
map
DS14079 - Rev 1
page 26/40



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