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STWBC-EP Datasheet(PDF) 10 Page - STMicroelectronics

Part # STWBC-EP
Description  Digital controller for wireless battery chargers transmitters for Qi 15 W applications
PDF  32 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STWBC-EP Datasheet(HTML) 10 Page - STMicroelectronics

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STWBC-EP pinout and pin description
STWBC-EP
10/32
DocID030747 Rev 1
Note:
The operative voltage of analog inputs (AI) ranges from 0 V to 1.2 V.
11
WAVE_SNS
AI
Symbol detector based on delta frequency
12
CURRENT_DEMOD
AI
Current demodulation
13
VDDA
PS
Analog power supply
14
VSSA
PS
Analog ground
15
TANK_VOLTAGE
AI
Analog input to measure the LC voltage (power
calculation)
16
VTARGET
AI
Boost voltage measurement
17
QFOD_ADC
AI
High sensitivity peak voltage detector used for
quality factor measurement
18
COIL_TEMP
AI
Analog input for temperature measurement. The
input is connected to external NTC biased to the
VDD_STWBC
19
ISENSE
AI
Analog input to measure the current flowing into the
power bridge
20
VMAIN
AI
Analog input to measure the main power supply
21
DCDC_DRV
DO
DCDC Boost PWM drive
22
DEMAGNET
DI
Transformer demagnetization sensing
23
SYMBOL_DETECT
DI
Voltage demodulation
24
DCDC_DAC
DO
Boost PWM output DAC (setting the CPP3
comparator voltage reference)
25
UPBL
DO
Output signal for HB high-side driver
26
DNBL_FB
DI
Hardware PWM feedback
27
SWIM
DIO
Digital I/O for Debug interface
28
NRST
DI
Reset input monitoring
29
VDD
PS
Digital and I/O power supply
30
VSS
PS
Digital and I/O ground
31
VOUT
Supply
Internal LDO output
32
UART_TX
DO
UART TX link on USB debug connector
Table 2. Pinout description (continued)
Pin number
Pin name
Pin type
Description



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