Semtech TSWIRX-LI-EVM User Manual page 9

C1
NP
C4
10nF
50V
AC1
RX COIL
AC2
C6
1nF
PDC 50V
R2
75K
R4
4.7K C12
47nF
J3 GND GND
1
PDC
2 FREQ
FREQ
3 ALERT
ALERT
4 MOD_EN
MOD_EN
5 MOD_CFG
MOD_CFG
6
GND
External MCU (Optional)
GND
U1
VAC1 A1 A2
VAC1 PDC
B2
PDC
D2
PDC
E2
PDC
VAC2 E1 C5
VAC2
B4
BST
C7
47nF
1nF C2
SW
50V A3 C3 SW
COMM1 SW
E3 C4
COMM2 SW
A4 FB
FB
D3
FREQ
R3
B3 B1
ALERT GND
10K
E4 C1
MOD_EN GND
D4 D1
MOD_CFG GND
TS51223
GND GND
X5R capacitors. Will only have 15-20% of the rated capacitance at 5V.
Some can be omitted if the load has capacitance.
R5
60K
GND
PDC
C2 C3
22uF 100nF
25V 25V
GND GND
U2
L1
1
VIN
4.7uH
2
STATB
R1
C8 C9 C10 C11 3
46K
GND
22uF 22uF 22uF 22uF
10V 10V 10V 10V
SC810
GND
GND GND GND GND
LED1
GREEN
J4
1
2
3
Jumper
6
ENB
J2
5 GND 1
BAT +
2 Out
-
4
IPRGM
C20
BATTERY
R8 2.2uF
8.06K 10V
R6
GND GND GND
10K