Cinterion DSB75 - Figure 55: Schematic Sheet 5 - SIM Card, I2 C, SPI, Analog and Antenna Interface; Figure 56: Schematic Sheet 6 - Charging Interface

DSB75 Development Support Board Rev. B1 Hardware Description
Confidential / Released

DSB75_hd_v12 Page 93 of 96 2008-08-26
Figure 55: Schematic sheet 5 – SIM card, I2C, SPI, analog and antenna interface
sheet6
DSB75
SCHEMATIC
TOP HIERARCHY LEVEL
CHARGE
B1
ACCU
1:1
VINPOWER
GND
EN
GND
X600
POWER
B
A
USER
APPR'D
E
D
C
CHARGEGATE
VSENSE
ISENSE
0R
VBAT
BATTEMP
1
2
3
4
6
5-POL
X602
VBAT
6V6
3V3_4V5
1
2
5
6
4
3
S601
BATT+
DATE
Siemens AG
06.07.2004
BATT+
VCHARGE
V600
GND
VOUT
GND
BYP
LP2985IM5X-5.0
3
5
V603
CRS04
N600
GNDGND
V602
SI1012X
GND
GND
R603
0R150R15
R602
R601
0R
C602 220N
21
R604
4K7
100N
C601
12
2
10N 2U2
C604 C605
1
2U2
C603
D
G
S
2
3
1
3
1
2
V601
FDD5614P
Figure 56: Schematic sheet 6 – charging interface