5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
PLUS_IN
BATT_CHG
BATT_PLUS
I_SENSE
EXT_GND
BATT_RTN
EXT_GND
/AC_POW ER
/AC_POW ER
/AC_POW ER
/AC_POW ER
I_SENSE
SW_VRAIL
VIN
VLOGIC
V_BATT
12V
5V
V_RAIL
3.3D
VIN
VIN
V_RAIL
V_BATT
V_ANL
V_ANL
3.3B
V_RAIL
V_RAIL
5P
VCC
D2
D1
VLOGIC
V_BATT
V_BATT
BATSTAT1
BATSTAT0
AC_PWR
PLLVcc
TEMP_SIG
V_ANL
GND_3.3V
VREF_2.5
VBATT_MON
IBATT_MON
FAN_ON
AC_LED
DIG_PWR_ON
SYS_ON/OFF
GND_MOD
PLLVss
GND_ANL
AC_POWER
20925 Crossroads Circle
Wa uke s ha, WI 53186
CONFIDENTIAL: This document contains confidential information and may not
be copied or divulged without written consent of CRITICARE SYSTEMS INC.
DRAWN BY:
LAST MODIFIED DATE:
CHECKED BY:
ENG. APPR.
Q.A. APPR.
MFG. APP R.
PART NUMBER:
REV.
TI TLE:
SHEET SIZE:
DIST:
SHEET
OF
ELE CTRONIC FILE NAME:
PCB NUM BER:
C
Copyright
1
SCHEMATIC, MAIN BOARD, 506N3 SERIES
91384S001
J:\PERM\GEMINI\HW\MAIN BOARD\SCHEMATIC\REV 1\91384S001R1.DSN
D
2
R. Henning 23JUN04
306
3
83637B001 R0
Tuesday, July 19, 2005
2005
RS1
RS2
RS3
RG2
RG1
ROVC1
ROVC2
RS4
RSET
CT
To uP input
DO5010P-683HC
For testing and dianostic use only.
12 VDC NOMINAL
INPUT
2nd resistor may be used to "tweak" float voltage
STAT 0
STAT 1
R ED
GREEN
CHARGE STATUS LED
STAT 0
(GRN)
STAT 1
(RED)
OFF
OFF
Trickle Charge, Defective
Battery or No Input Power
OFF
On
Bulk Charge
OFF
On
Over Charge
On
On
Float Charge (Full Charge),
Defective or No Battery Connected
LED's are mounted on PCB and not intended
to be seen by the user.
12 Volt at 1 amp step-up
Vin 5.25 to 13.2 volts
400 KHZ
Design Specs.
5 Volt at 2 Amp, 3
Amp Peak SEPIC
Vin 5.25 to 13.2 Volts
400 KHZ ON BATT PWR
200 KHZ ON AC PWR
DO5022P-333
DO5022P-333
Design Specs.
3.3 Volt at 1 amp step-down
Diode protects against output voltage
being pulled below ground through the
synchronous FET in an undervoltage
input situation.
DT3316P-223
Vin 5.25 to 13.2 Volts
TO 252 Package
Standby Power Supply
AC Power
Sense Input To
CPU
To An Optional 12V Fan
Design Specs.
STAR GROUND POINT
SEE VIEW "A".
ANALOG
GROUND
POWER
GROUND
3.3V_LOGIC
GROUND
ALL GROUND SYMBOLS ARE PLANES
AND JOINED TO POWER GROUND BY
50 MIL (MIN) TRACE AT LOCATION SHOWN
ON 91384M001 DRAWING.
VIEW "A"
BLK
R ED
Battery wires to be
18AWG
VBATT_MON = 0 V TO 2.50 V
FOR V_BATT = 5.00 V TO 7.50 V
(NOTE: V_BATT = BATTERY VOLTAGE
BY DESIGN)
These traces must
originate from R3/R4
lands.
IBATT_MON = 0 V TO 2.50 V
FOR I_SENSE = 0 A TO 4.15 A
J. Gupton 12SEPT04
POWER SUPPLY SECTIONS
MODULE_LOGIC
GROUND
+
C26
10 T
1
2
R204
100
R106
10.0K
R220
200K
+
C32
1 T
1
2
C95
100 pF
1
2
C104
.022
1
2
F2
T 7A 125V
1
2
U28
LM3478MM
VIN
8
DR
6
PGND
5
AG
ND
4
ISEN
1
FB
3
FA/SD
7
COMP
2
R181
28.0K
Q28
MMBT4403
1
3
2
R186
20.0K
R182
6.19K
TP8
Q7
SI4435BDY
6
7
4
1
2
3
8
5
L4
10 uH
1
2
Q30
TN2106
2
1
3
R196
100K
R78
7.32K
C103
.1
1
2
C92
.1
1
2
D12
SS34
2
1
U17
LM2651MTC-3.3
VIN
3
VIN
4
VIN
5
SW
1
SW
2
VCB
6
AVIN
7
COMP
10
SS/SD
8
AG
ND
12
AG
ND
13
PGND
14
PGND
15
PGND
16
FB
9
NC
11
R124
110K
R185
4.02K
C119
.1
1
2
Q6
SI4435BDY
6
7
4
1
2
3
8
5
R219
DNI
R83
100K
R191
8.25K
R151
100K
R166
0 OHM
+
C27
1
2
TP23
C113
.1
1
2
D3
SS24
2
1
MTG3
1
R177
4.99K
+
C20
100 T
16V
LOW ESR
1
2
R143
0 OHM
R73
100K
R105
20.0K
C117
DNI
1
2
C122
.0047
1
2
R193
5.36K
Q12
SI4435BDY
6
7
4
1
2
3
8
5
R184
9.53K
E3
BLM21BD222SN1B
2
1
C86
.1
1
2
R167
DNI
R90
562K
R103
DNI
R187
2.00K
Q19
DNI
2
1
3
R156
10.0K
L3
33 uH
1
2
R179
30.1K
R197
10.0K
R84
10.0K
C106
1.0
1
2
TP18
PWR7
R152
.02 OHM
TP19
C123
DNI
1
2
D5
SS34
2
1
R107
.02 OHM
R64
10.0K
F1
T 5A 125V
1
2
+
C30
220 EL
16V
LOW ESR
1
2
C14
DNI
1
2
R155
10.0K
R144
40.2K
D37
DNI
1
3
Q26
TN2106
2
1
3
R126
40.2K
+
C28
220 EL
16V
LOW ESR
1
2
C125
.001
1
2
D22
SS24
2
1
C118
DNI
1
2
C85
.0022
1
2
L5
68 uH
1
2
D24
SML-LX1206GC
2
1
R158
30.1K
+
C18
1
2
Q3
TN2106
2
1
3
TP20
D8
SS34
2
1
R192
11.0K
U23A
OP296GS
3
2
1
8
4
R65
187K
R104
0 OHM
R95
60.4K
D9
SS34
2
1
C71
.1
1
2
+
C21
100 EL
25V
LOW ESR
1
2
R79
30.1K
Q5
IRF7821
6
7
4
1
2
3
5
8
R117
100K
R2
DNI
C107
.1
1
2
CRA35
10K x 2
1
2
4
3
U33
LM3478MM
VIN
8
DR
6
PGND
5
AG
ND
4
ISEN
1
FB
3
FA/SD
7
COMP
2
J5
DNI
1
2
3
R132
49.9K
R178
30.1K
Q27
MMBT4401
1
2
3
Q18
TN2106
2
1
3
R137
20.0
R92
4.75K
D4
ZC5800E
1
3
2
R189
1.00K
E4
BLM21BD222SN1B
2
1
+
C13
220 EL
25V
LOW ESR
1
2
C88
1.0 16V
1
2
L2
33 uH
1
2
R63
1.00K
1/3 W
R183
16.9K
C79
.1
1
2
R122
4.75K
+
C17
100 T
16V
LOW ESR
1
2
C74
.1
1
2
J12
MOLEX 87427-0242
1
2
C124 .1
1
2
J10
MOLEX 43045-0216
1
2
R116
DNI
R76
100K
RT1
NC0805KH103J
1
2
U32
LP2950CDT-3.3
VI
1
GND
2
VO
3
Q23
TN2106
2
1
3
Q11
TN2106
2
1
3
U23B
OP296GS
5
6
7
D2
SS24
2
1
U40
UC3909DW
OUT
5
CS-
17
CS+
16
RTHM
1
VLOGIC
2
VCC
4
CHGENB
10
VA-
12
STATLV
8
VAO
11
GND
3
CA-
13
CSO
15
CAO
14
RSET
18
R10
20
OSC
19
OVCTAP
9
STAT1
6
STAT0
7
R91
10.0K
D17
SS34
2
1
R168
1.00K
C114
.01
1
2
C94
.01
1
2
U16
LM20BIM
V+
4
GND
5
VO
3
GND2
2
NC
1
Q4
MMBT4401
1
2
3
C75
.0047
1
2
R205
100
+
C22
100 EL
25V
LOW ESR
1
2
R123
13.0K
C91
.022
1
2
R82
100
1/3 W
C100
DNI
1
2
L1
22 uH
1
2
R128
100K
R4
0.2 1W
R3
DNI
D23
SML-LX1206IC
2
1
+
C31
100 T
16V
LOW ESR
1
2
Q20
TN2106
2
1
3
R190
154K
470pF
C121
1
2
+
C23
10 T
1
2
R139
100K
C101
100 pF
1
2
R72
15.0K
+
C9
100 EL
25V
LOW ESR
1
2
R157
12.4K
D36
DNI
1
3
TP15
C78
.1
1
2
Q10
TN2106
2
1
3
R188
2.00K
R77
200K
+
C16
1
2
C99
1.0
1
2
Q8
IRF7821
6
7
4
1
2
3
5
8
R125
20.0
R180
4.99K
BATT1
6V at 7 AH MINIMUM
1
2
TP12
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