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STWBC2-HP датащи(PDF) 22 Page - STMicroelectronics

номер детали STWBC2-HP
подробное описание детали  Digital controller for wireless battery charger transmitters
PDF  96 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STWBC2-HP датащи(HTML) 22 Page - STMicroelectronics

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PARAMETER/FEATURES/TOPIC
VALUE
COMMENT
Sink and source current
>6 mA
Output voltage low
0.4 V max. at 6 mA load
Output voltage high
LDO3V3-0.4 V min. at 6 mA load
Fall time, Rise time
11 ns max. with 50 pF
10%-90% threshold
2.1.12
Control of analog functions
The analog functions can be independently enabled in order to optimize the power consumption of the STWBC2-
HP. This can be done through the SPI registers ANA_PWR_CTRL_x of page 0.
Table 17. ANA_PWR_CTRL_0 mapping
Bit position
Controled cell
Comment
7
Current demodulator LPF
6
Current demodulator HPF
5
Current demodulator comparator
4
Bridge zero cross detector
3
Bridge voltage monitor
2
ADC mux 2
1
ADC mux 1
0
ADC mux 0
Table 18. ANA_PWR_CTRL_1 mapping
Bit position
Controled cell
Comment
7
Gate driver 1 low-side
Force input of gate driver to 0 before enabling
6
Gate driver 1 high-side
Force input of gate driver to 0 before enabling
5
Voltage demodulator LPF
4
Voltage demodulator HPF
3
Voltage demodulator comparator
2
VCCD monitor
1
Ring node peak-to-peak detector
0
Ring node I to V amplifier
Table 19. ANA_PWR_CTRL_2 mapping
Bit position
Controled cell
Comment
7
VIN voltage sense monitor
6
VIN current sense
Used for BB-DCDC
5
VIN peak current comparator
Used for BB-DCDC
4
Bridge current amplifier
3
Gate driver 3 low-side
Force input of gate driver to 0 before enabling
2
Gate driver 3 high-side
Force input of gate driver to 0 before enabling
1
Gate driver 2 low-side
Force input of gate driver to 0 before enabling
STWBC2-HP
Analog AFE functions
DS13825 - Rev 1.0
page 22/96



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