5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
1%
1%
0603
0805
0805
25V
0.5%
1%
1%
BATTERY LOW CKT 2.2
J2N
Custom
34 43Tuesday, August 17, 2004
Title
Size Document Number Rev
Date: Sheet
of
+1.34V
+1.34V
+5VLCM+5VLCM
+2.5VREF
+2.5VREF
AC_BAT_SYS
AC_BAT_SYS
+3.3V_VDD
A/D_VIN
+3VALWAYS_PAC_BAT_SYS+3VALWAYS_P
+5VLCM
A/D_VIN_D
U12
LM393MX
1
2
3
4
8
7
6
5
OUT1
-IN1
+IN1
VEE
VCC
OUT2
-IN2
+IN2
T88
TPC28
1
R361
15KOhm
1 2
Q63A
UM6K1N
2
61
C140
0.1UF
12
C339
0.1UF
12
T13
TPC28
1
R359
75KOhm
1 2
C4
1U
12
R6
50mOhm
1 2
R312
47KOhm
12
C388
0.1UF
12
R364
18KOhm_OP
1 2
T127
TPC28
1
S D
G
Q64
SI4425DY
1
2
3
5
6
7
8
4
Q63B
UM6K1N
5
34
R356
100KOhm
1 2
C102
1uF
12
R125
68.1KOhm
1 2
T7
TPC28
1
C409
4.7U
12
T27
TPC28
1
T5
TPC28
1
R16
22KOhm
12
C124
1U
12
C400
0.1UF
12
Q71B
UM6K1N
5
34
T101
TPC28
1
R313
470KOhm
12
T86
TPC28
1
R368
100KOhm
1 2
L2
80Ohm/100Mhz
21
R314
470KOhm
12
T19
TPC28
1
Q71A
UM6K1N
2
61
T6
TPC28
1
R14
470KOhm
1 2
C401
1uF
12
U15
LM393MX
1
2
3
4
8
7
6
5
OUT1
-IN1
+IN1
VEE
VCC
OUT2
-IN2
+IN2
R144
267KOhm
1 2
R19
22KOhm
1 2
T79
TPC28
1
R367
4.7MOhm
1 2
R145
100KOhm
1 2
C7
1U
12
C12
0.1UF
1 2
R126
100KOhm
1 2
T4
TPC28
1
T129
TPC28
1
R315
220KOhm
12
J1
PHONE_JACK_6P4C
1
2
3
6
4
5
1
2
3
NP_NC
P_NC1
P_NC2
L3
80Ohm/100Mhz
21
Q3B
UM6K1N
5
34
T77
TPC28
1
T10
TPC28
1
C139
0.1UF
12
R18
6.8KOhm
1 2
D2 EC31QS04
1 2
R131
82KOhm
1 2
Q3A
UM6K1N
2
61
BAT_LLOW#_OC 15,21
BAT_LLOW 37
BAT_LEARN21
ACIN_OC 32,37
SHUT_DOWN#36
ACIN_OC 32,37
AC_IN# 21,36,37