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Appendix B – Schematics
AT91EB42 Evaluation Board User Guide 6-9
Figure 6-8. Power Supply and Battery Charger
VCC3V3
VDDCORE
VDDIO
VDDPLL
VCC3V3
Vbatt+
Vps
VDDCORE=1.8V
VDDCORE=3.3V
I Vddcore
I Vddio
5 cel. NiCd
Timeout 264mn
TC
in place only if
Therm sensor on
Batt. is not use.
2R5 / 1W
VCC3V3
VINplug1
VCC1V8
VDDIO
VIN1F
VINplug2
VIN_1VIN
V+
V+
Rth1
Rth2
Rth2
Vbatt+
Rth1
VIN
Vbatt-
Vbatt-
Vbatt-
C54
100nF
F1
1000m A/30V
D14
SMT6T15CA
C57
10 F / 25V
U15
LT1507CS8-3.3
VIN
2
VSW
3
SENSE
7
SYNC
5
SHTDN
4
BOOST
1
VC
8
GND
6
D12
1N914
L1
10 H
D15
1N5817
C58
100 F / 10V
+
C60
3,3nF / 10%
C55
22pF / 25V
C64
1F
C61
1F
C62
1F
C63
10 F / 16V
+
D18
10MQ100N
D19
10MQ100N
D16
10MQ100N
D17
10MQ100N
TP2
Test Point Corner 2
TP3
Test Point Corner 3
TP1
Test Point Corner 1
TP4
Test Point Corner 4
U17
LT1503CS8-1.8
Vin
4
Vout
1
C1+
3
C1-
2
C2+
6
C2-
8
SHDN/SS
5
GND
7
J1
Jack Dia.2.1mm
C59
22pF / 25V
JP6
jumper_NO
1 2
JP5
jumper_NO
1
2
JP8
jumper_3P
1
2
3
R30
150R
R29
100R
CB19
1 2
D26
10MQ100N
D24
10MQ100N
Q1
MJD45H11
U16
MAX 713CSE
Vlimit
1
Batt+
2
PGM0
3
PGM1
4
THI
5
TLO
6
Temp
7
FASTCHG
8
PGM2
9
PGM3
10
CC
11
Batt-
12
DRV
14
GND
13
V+
15
REF
16
D28
Red LED
R60
10K CTN
C101
1F
1 2
C100
1F
12
C98
10nF
C103
10nF
C99
10 F / 25V
C102
10nF
R62a
10R
D25
10MQ100N
J3
con. male
43045-0400+43031-0007
MOLEX
1
2
3
4
U22
LM334SM
V-
1
R
2
V+
3
NC
4
NC
5
NC
6
NC
7
NC
8
R77
6R8
R59
4k7
R58
10K
R79
10K
CB23
1 2
CB22
1 2
CB21
1 2
C57B
10 F / 25V
C58B
100 F / 10V
+
R62b
10R
R62c
10R
R62d
10R
PB18