Texas Instruments AFE4490 Evaluation Module AFE4490SPO2EVM AFE4490SPO2EVM Benutzerhandbuch
Produktcode
AFE4490SPO2EVM
VCC_BAT
10 µF
C28
TP21
GND
1
VIN
2
CP2
3
CP1
4
EN
5
SS
6
FB
7
OUT
8
SW
9
VO
10
EPAD
11
U9
TPS61093DSK
0 Ω
R73
0.1 µF
C31
1
2
L4
LPS3010-103MLB
200 kΩ
R75
1 µF
C35
15.4 kΩ
R74
261 kΩ
R72
10 µF
C63
TP38
10 µF
C32
0.01 µF
C27
10 µF
C29
LED_DRV_SUP
TX_CTRL_SUP
10 F
µ
C61
OUT
1
FB
2
NC
3
GND
4
EN
5
NR/SS
6
DNC
7
IN
8
EPAD
9
U13
TPS7A4901DGN
0.01 F
µ
C58
47 kΩ
R103
75 kΩ
R63
0.01 µF
C55
10 F
µ
C54
TP28
RX_DIG_SUP
RX_ANA_SUP
10 F
µ
C64
OUT
1
FB
2
NC
3
GND
4
EN
5
NR/SS
6
DNC
7
IN
8
EPAD
9
U14
TPS7A4901DGN
0.01 F
µ
C62
47 kΩ
R115
75 kΩ
R106
0.01 F
µ
C59
10 F
µ
C56
TP37
MSP_AVCC
RX_SUP
TP34
10 F
µ
C47
10 µF
C48
10 F
µ
C52
0 Ω
Jumper
R66
0 Ω
Jumper
R71
0 Ω
Jumper
R76
0 Ω
Jumper
R65
0 Ω
Jumper
R67
0 Ω
Jumper
R69
0 Ω
Jumper
R55
0 Ω
Jumper
R54
3v
3v
3v
Blue
LED3
VDD_BAT
VBT_IN
SW_LP
REG_FB
REG_SS
REG_SS
REG_VO
AFE_VTX
MSP_VSUP
AFE_5VTX
AFE_VRX
IN
4
ADJ
6
GND
3
NC
7
SD
8
DAP
9
OUT
5
BYP
1
NC
2
U8
LP3878MR-ADJ/NOPB
0 Ω
R68
4.7 kΩ
R81
1.0 kΩ
R79
4.02 kΩ
R77
1000 pF
C36
0 Ω
Jumper
DNI
R58
MSP_DVCC
1
2
L1
LPS3010-103MLB
1
2
L2
LPS3010-103MLB
1
2
L3
LPS3010-103MLB
MSP_DVCC
1
2
L6
LPS3010-103MLB
1
2
L5
LPS3010-103MLB
10 µF
C60
10 µF
C65
0 Ω
Jumper
R60
VRX_SUP
VDD_BAT
PCB Layouts and Schematics
Figure 71. AFE44x0SPO2EVM: Power Supply (3 of 4)
57
SLAU480C – January 2013 – Revised May 2014
AFE4400 and AFE4490 Development Guide
Copyright © 2013–2014, Texas Instruments Incorporated