Kontron MARS Smart Battery Kit - Manual (Page 9)

MARS User´s Guide
Fig. 2: Block diagram of SBS MARS
SB#1
Li-Ion
(4S3P)
Typ.
14,4 V
11,6V –
16,8 V
Backplane
(ETX or ETXexpress)
Prozessor
and
Chipset
SB#2
NiMH
(10S1P)
Typ.
12 V
9V –
14,4 V
SB-
C
onn
ec
tor
SBS
Power
Hardware
Smart Battery
System Manager
LTC1760
SM-Bus
Vbatt2+
Vbatt2-
Therm.2
SMBDAT
SMBCLK
20
or
24
ATX_POWER
HDD POWER
ATX
5 - 28V
Buck-Boost
Converter 1
19V (±10%)
Feature-
Connector
2
2 3
charge
voltage
Buck-Boost
Converter 2
12V (±5%)
SBS
„MARS“
discharge
discharge
(3)
select
battery
Vbatt1+
Vbatt1-
Therm.1
SMBDAT
charge
voltage
charge max. 28V
voltage
3
3
4
SB-
C
onn
ec
tor
4
alternativ
if ≥ 19V
1 SM-Bus
9V -
28V
max.
60W
12V+5V
+3,3V
Con-
verter
o
p
tion
al
1
5V
SBY 5V 12V 12V
Dual Buck
Converter
5V & 12V
(±5%)
-5V
Con-
verter
-12V
Con-
verter
SMBCLK
Introduction
8