VCC_BAT
LED_DRV_SUP
TX_CTRL_SUP
RX_DIG_SUP
RX_ANA_SUP
MSP_AVCC
RX_SUP
3v
3v
3v
VDD_BAT
VBT_IN
SW_LP
REG_FB
REG_SS
REG_VO
AFE_VTX
MSP_VSUP
AFE_5VTX
AFE_VRX
MSP_DVCC
MSP_DVCC
VRX_SUP
VDD_BAT
markings on 0-Ohm power
supply jumpings as shown
below
+
-
+
-
+
-
+
-
5v
5v
GND
1
VIN
2
CP2
3
CP1
4
EN
5
SS
6
FB
7
OUT
8
SW
9
VO
10
EPAD
11
U9
TPS61093DSK
10uF
C28
0R
R66
Jumper
0.1uF
C31
0
R73
10uH
L4
LPS3010-103MRB
0
R68
10uF
C63
261K
R72
15.4K
R74
200K
R75
1uF
C35
0R
R71
Jumper
4.7K
R81
10uF
C32
Jumper
0R
R67
0R
R69
Jumper
10uF
C61
10uF
C64
10000 PF
C58
10000 PF
C62
IN
4
ADJ
6
GND
3
NC
7
SD
8
DAP
9
OUT
5
BYP
1
NC
2
U8
LP3878MR-ADJ/NOPB
OUT
1
FB
2
NC
3
GND
4
EN
5
NR/SS
6
DNC
7
IN
8
EPAD
9
U14
TPS7A4901DGN
OUT
1
FB
2
NC
3
GND
4
EN
5
NR/SS
6
DNC
7
IN
8
EPAD
9
U13
TPS7A4901DGN
BLUE
1
2
LED3
BLUE
10000 PF
C27
4.02K
R77
10uF
C29
1K
R79
10uF
C60
10uF
C65
Jumper
0R
R76
0R
R65
Jumper
10000 PF
C55
47K
R103
75K
R63
0R
R60
Jumper
0R
DNI
R58
Jumper
10uF
C54
0R
R55
0R
R54
Jumper
Jumper
10000 PF
C59
47K
R115
75K
R106
10uH
L3
LPS3010-103MRB
10uF
C56
1000 PF
C36
DNI
TP21
DNI
TP38
DNI
TP34
DNI
TP28
DNI
TP37
10uF
C47
10uF
C48
10uF
C52
* RES/Jumpers are 0 OHM 0603 resistors with 2 10 mil holes on
50 mils centers.
Add + and - silkscreen
PCB Layouts and Schematics
www.ti.com
Figure 87. AFE4403EVM Schematics (3 of 4)
66
AFE4403 Development Guide
SLAU572B – June 2014 – Revised July 2014
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