Table 5: Stwbc-Ep Pin Description - ST STEVAL-ISB044V1 User Manual

Hardware description and setup
Pin
number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
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Table 5: STWBC-EP pin description

Pin name
UART_RX
PWM_QFOD
I2C_SDA
I2C_SCL
DNBL
LED
QC_IO
CMP_OUT_V
CS_CMP
DCDC_DAC_REF
WAVE_SNS
CURRENT_DEMOD
VDDA
VSSA
TANK_VOLTAGE
VTARGET
QFOD_ADC
COIL_TEMP
ISENSE
VMAIN
DCDC_DRV
DEMAGNET
SYMBOL_DETECT
DCDC_DAC
UPBL
DNBL_FB
SWIM
NRST
VDD
VSS
VOUT
UART_TX
AlI analog inputs are VDD compliant but can be used only between 0 and 1.2 V.
DocID031141 Rev 1
Pin
type
DI Uart RX link on USB debug connector
DO
DO Output driver for Low side branch
DO
DO
AI
AI
AI DAC reference value for Boost output voltage
AI Symbol detector based on delta frequency
AI
PS
PS
AI Analog input to measure the LC voltage (power calculation)
AI
High sensitivity peak voltage detector used for Quality Factor
AI
Analog input for temperature measurement. The input is
AI
connected to external NTC biased to VDD_STWBC
Analog input to measure the current flowing into the power
AI
AI Analog input to measure the main power supply
DO
DI
DI
Boost PWM output DAC (setting the CPP3 comparator voltage
DO
DO Output driver for high side branch
Used for hardware PWM programmation
DIO
DI
PS
PS
Supply
DO Uart TX link on USB debug connector
Firmware description
PWM dedicated to QFOD circuit
I2C_SDA
I2C_SCL
Digital output for light indicators
Quick charge circuit signal
Boost output voltage sensing
Boost current sensing
Current demodulation
Analog power supply
Analog ground
Boost voltage measurement
measurement
bridge
DCDC boost PWM drive
Boost demagnetization
Voltage demodulation
reference)
Digital IO for debug interface
Reset
Digital and I/O power supply
Digital and I/O ground
Internal LDO output
UM2301