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STWBC2-HP bảng dữ liệu(PDF) 23 Page - STMicroelectronics

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Giải thích chi tiết về linh kiện  Digital controller for wireless battery charger transmitters
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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STWBC2-HP bảng dữ liệu(HTML) 23 Page - STMicroelectronics

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Bit position
Controled cell
Comment
0
Gate driver 2 high-side
Force input of gate driver to 0 before enabling
Table 20. ANA_PWR_CTRL_3 mapping
Bit position
Controled cell
Comment
7
BB-DCDC general enabling
Used for BB-DCDC
6
Reserved, keep at 0
5
Reserved, keep at 0
4
Reserved, keep at 0
3
Voltage demodulator VR
2
Voltage demodulator comp Int
1
Current demodulator INA
0
Current demodulator comp Int
Table 21. ANA_PWR_CTRL_4 mapping
Bit position
Controled cell
Comment
7
Reserved, keep at 0
6
BB-DCDC V2 high comparator
Used for BB-DCDC
5
BB-DCDC V1 high comparator
Used for BB-DCDC
4
BB-DCDC Ipeak max. DAC
Used for BB-DCDC
3
BB-DCDC feedback comparator
Used for BB-DCDC
2
BB-DCDC VIN drop detection
Used for BB-DCDC
1
BB-DCDC overcurrent detection
Used for BB-DCDC
0
BB-DCDC buck boost OK comparator
Used for BB-DCDC
Table 22. ANA_PWR_CTRL_5 mapping
Bit position
Controled cell
Comment
7
PLL supply
6
Reserved, keep at 0
5
Reserved, keep at 0
4
Reserved, keep at 0
3
Reserved, keep at 0
2
Reserved, keep at 0
1
Enable digital pads that are in parallel to analog functions
0
Demodulators pre regulator
2.2
Digital AFE functions
This section describes the digital core logic implemented in the Analog Front-End (AFE).
The digital block integrates an SPI slave interface providing access to registers through a parallel peripheral bus.
Registers are arranged by pages. The registers allow controlling both digital IPs and analog macros.
The digital block embedded the following functional IPs:
STWBC2-HP
Digital AFE functions
DS13825 - Rev 1.0
page 23/96



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