Specifications

Smart Battery Charger Specification
SBS Implementers Forum -Page 4- Revision 1.1
System Host
(SMBus Host)
System
Power
Supply
Smart Battery
Charger
Smart Battery #1
VCharge
Vcc,
+12v,
-12v
Critical Events
Battery Data/Status Requests
SMBus
AC-DC
Converter
DC (Unregulated/battery)
AC
Typical Multiple Smart Battery System
(Unregulated)
Smart Battery #2
SMBus
SMBus
SMBus
Vbatt
Vbatt
Safety
Signal
Safety
Signal
Safety
Signal
Note: SB #1 powering system
SB #2 charging
Smart Battery
Selector
The block diagram above shows a two-battery system where Battery 2 is being charged while Battery 1 is
powering the system. This configuration may be used to “condition” Battery 1; allowing it to be fully
discharged prior to recharge.