Kontron MARS Smart Battery Kit - Manual (Page 6)

MARS User´s Guide
2. Introduction
2.1 Smart Battery System MARS
MARS is a Smart Battery System, which is able to controle 2 Smart batteries.
The Core of the SBS MARS is a dual Smart Battery System Manager.
Additionally the system contains a buck-boost converter at the input side, a dual buck converter
and a buck-boost converter at the output side.
There is also a CPLD used in MARS to get the functionality of an ATX power supply and for additional
tasks.
MARS = Mobile Application platform for Rechargeable Systems
2.2 MARS Documentation
This Manual is a general guide for a SBS Design. It documents the specification and functions of
the SBS MARS
SBS MARS is based on the SBS Specification of the SBS-forum.org.
2.3 SBS MARS Highlights
Smart Battery Systems have the ability to communicate with the application. Therefore the user
gets information about the current state of each battery. The interface for this communication is
the System Management Bus (abbr: SM-bus). Standard Smart Batteries have a specified 5 pin
header, connecting the power lines and additionally this SM-bus. This standardisation allows using
all available kinds of standard Smart Batteries, which also applies to the SBS MARS. (see also
APPENDIX C:
Possible Smart Batteries)
A typical SBS consists of a Smart Battery System Manager and a charger, which can communicate
with the chipset using the SM-bus.
Fig. 1 shows the typical setup of a SBS, where the SBS hardware can also be part of the PC
hardware.
Introduction
5