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STEVAL-ASTRA1B Datasheet(PDF) 9 Page - STMicroelectronics

Part # STEVAL-ASTRA1B
Description  Multiconnectivity asset tracking reference design based on STM32WB5MMG and STM32WL55JC
PDF  28 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STEVAL-ASTRA1B Datasheet(HTML) 9 Page - STMicroelectronics

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Figure 7. Main board (STEVAL-ASTRA1) circuit schematic (7 of 9)
PI f i l t er
V_UNREG
GND
VBAT_MEAS
VDD1
VDD2
VBAT_MEAS_EN
VDD_EN
VBAT
VDD_AUX_EN
0R
SB303
SB300 0R
1M
R310
N.M.
R302
5.6K
SB308
0R N.M.
U300
AUX
1
ST1PS02CQTR
VIN
2
SW
3
GND
4
5
VOUT
6
VOUT2
7
PGOOD
CL
8
EN
12
D0
9
D1
10
D2
11
0R
SB302
0R
SB306
L300
1
2.2uH
2
0R
R309
C303
10uF
L301
1
2.2uH
2
R307
100K
3K
R303
Q300
VT6M1T2
0R
SB305
R305 0R
N.M.
C301
47uF
C302
47uF
0R
SB307
R301 100K
R311
1M
R304
0R
0R
SB301
R300 1M
R308 0R
C300
10uF
GND
V_UNREG
VBAT_MEAS
VDD1
VBAT_MEAS_EN
VDD_AUX_EN
VDD_EN
VDD_EN
V_UNREG
VDD2
VDD_AUX_EN
VBAT
VBAT_MEAS
VBAT_MEAS_EN
VBAT



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