Reproduction forbidden without DAI Telecom written authorization – All Right reserved – Right of modification reserved
page 54 of 69
FORBIDDEN
VIETATE
ALL RIGHTS RESERVED
RIPRODUZIONE E DIVULGAZIONE
REPRODUCTION AND DISCLOSURE
TUTTI I DIRITTI RISERVATI
PROJECT
A3
DESCRIPTION
DRAWING CODE
FORM
MODIFY
OF SHEETS
DATE
SHEET N.
VERIFIED
PROJECT
DRAWN
PATH /home/users/area
Mod. 067 rev.0 03/01
ANNOTATION
FILE NAME
B
C
D
E
A
Mobile Terminals S.p.A.
4
2
9
81
0
7
13
11
6
5
GND
50V
0603
68nF
X7R
C104
GND
CR32
4.7
10%
R
105
CR32
4.7
10%
R
102
CR32
4.7
10%
R
103
CR32
4.7
10%
R
104
STPS340U
SMB
U34
D107
35V
CONT-A
1uF
C105
GND
.
2SJ
387S
D
PAK-
2S
Q
102
2
D
3
S
1
G
GND
FCMM0502
SO104
2
1
GND
FCMM0502
SO101
2
1
1215061-03F
PL101
2
1
3
GND
STPS140Z
SOD123
D106
+VBATT
002:11D
GND
LY-T670HK
PLCC2
YELLOW
DL101
OT101
OT102
OT103
OT104
FCMM0502
SO103
2
1
GND
0603
10K
5%
R101
3Fs
BC857B
SOT-23
Q101
2
3
1
0603
5.6K
5%
R
106
0603
680
5%
R107
50V
0603
4.7nF
X7R
C101
LTC1730EGN-4
U101
14
NC_14
5
FAULT
1
GND_1
11
NTC/SHDN
10
TIMER
8
GND_8
3
VCC
4
ACPR
16
GND_16
9
GND_9
2
SENSE
13
GATE
12
SEL
6
CHRG
7
NC_7
15
BAT
LY-T670HK
PLCC2
YELLOW
DL102
LS-T670HK
PLCC2
RED
DL103
GND
LR32
0.1
5%
R108
50V
0603
47nF
X7R
C102
50V
0603
220pF
X7R
C103
0603
10K
5%
R109
GND
0603
10K
5%
R111
GND
0603
4.3K
5%
R110
FCMM0502
SO102
2
1
0603
1K
5%
R112
0603
1K
5%
R113
0603
1K
5%
R114
GND
0603
0
5%
R115
0603
0
5%
R116
noMount
=Y
E
S
041201
041201
EVK for GM862/S1
0208
301101
Locatelli M.
1
30208SE10944b
cs944b.cir
10
Deperini F.
BATTERY CHARGE CONTROL
ON CHA
RGE
NTC enabled
NTC disabled
Temperature sensing control
WARNING!!!!
When the temperature sensing is disabled
the charger must be powered ONLY if the
battery temperature is within the charging
!
BATTERY CHARGER INPUT
+
-
6 Vcc
3,7V(Li-Ion) Nominal
BATTERY LI-ION
+
-
current limit: 500 mA
max voltage 4,2V (Li-Ion)
Li - Ion battery charger
max current ~ 1 A
Current Limiting Circuit
polarity is respected!
!
WARNING!!!!
When using battery care must be
taken to ensure that the right
WARNING!!!!
Max current limit must be properly
set for the size of battery in use
Keep max current around 1/2 of
!
battery pack capacity
E.g. 1000mAh -> 500 mA max
CURRENT UNLIMITED
BATTERY CHARGER INPUT
-
+
4.5 - 10 Vcc
CURRENT LIMITED
CHA
RGE
R
P
R
E
S
E
NCE
FAU
L
T
Temperature sensor
10k NTC
Otherwise the battery may explode!
range 0 - 50 C.
power input is respected!
!
WARNING!!!!
Care must be taken to ensure
that the right polarity in the
WARNING!!!!
For a proper battery temperature
sensing the Termistor should be
placed on the battery pack.
!
DO NOT Supply power when the
Battery is not connected
Otherwise GM862 may be damaged!
Curr. limit is given by R102 to R105
suggested capacity: 1000mAh
Serdi M.