Schematic

ATSAMD21G18A-48
ATECC508A-DNP
100nF
GND
GND
GND
GND
+3V3
+3V3
+3V3
GND
100nF1uF
100nF
100nF
100nF
4.7uF
GND
+3V3
BLM18PG471SN1D
+3V3
VUSB
10K
DMP2160UFDB DMP2160UFDB
GND
330R
PMEG2005EL
DMP2160UFDB DMP2160UFDB
10K
100K
100K
GND GND
100K
GREEN
330R
GND
ORANGE
330R
+5V
VIN
1uF
25V
GND
2K87
GND
GND
1uF
25V
MF-FSMF050X-2
100K
GND
GND
SIA817EDJ
SIA817EDJ
1uF
25V
GND
AP7215-33YG-13
GND
1uF
25V
GND
+3V3
GND
2N7002T
2N7002T
S2B-PH-SM4-TB
MCP738312X3DFN
PMEG6020AELRX
100nF
GND
VDDIO
17
GND
18
VDDCORE
43
GND
42
EP
49
VDDANA
6
GND
35
VDDIO
36
VDDIN
44
GNDANA
5
U3B
VCC
8
GND
4
NC
1
NC
2
NC
3
NC
7
U4B
EP
9
C19
C30C32
C28
C33
C29
C27
L6
R8
G1
D1*2 S1
Q2A
G2
D2*2S2
Q2B
R1
D2
G1
D1*2 S1
Q5A
G2
D2*2S2
Q5B
R14
R12
R11
R6
DL1
R4
DL2
R5
C2
R3
C3
F1
R10
G
D*2 S
Q3A
Q3B
C8
VIN
2
VROUT
3
GND
1
U2
C10
Q1
G
DS
Q4
G
DS
J2
1
2
VBAT
3*2
VSS
6*2
PROG
8
VDD
1*2
STAT
5
U9
BATT+
BATT-
D4
C15
USB_ID
VBATT/1.4B
MKRZero_V5.0
20/07/1612:39
2/2
Sheet:
A
B
C
D
E
1 2 3 4 5 6 7 8
A
B
C
D
E
1 2 3 4 5 6 7 8