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PRODUCT MANUAL EBC-Z5xx
1
BATTERY BACKUP
An optional external battery, connected at
J47
, supplies the EBC-Z5xx board with standby power for the real-time clock
and CMOS setup RAM. An extended temperature lithium battery is available from WinSystems, part number
BAT-LTC-E-36-16-1 or BAT-LTC-E-36-7-1.
A power supervisory circuit contains the voltage sensing circuit and an internal power switch to route the battery
or standby voltage to the circuits selected for backup. The battery automatically switches ON when the VCC of the
systems drops below the battery voltage and back OFF again when VCC returns to normal.
For OEM applications, an on-board battery may be populated. Please contact your WinSystems’ Application Engineer
for additional information.
(Master Battery Enable)
WARNING:
BAT-LTC-E-36-16-1
or BAT-LTC-E-36-27-1
must be connected at J47.
Improper installation of the battery could result in explosive failure. Please be careful
to note correct connection at location J47.
Enables On-board Battery
1-
Enables External Battery (default)
-3
J43
□
□
□
3
2
1
External Battery (from J47)
VBAT
+3.6V Battery
J43 - Battery Enable/Disable
Visual
Index
(For external battery. Provides battery backup to RTC and BIOS CMOS.)
J47
□
□
□
1
2
3
GND
+VBAT
NC
J47 - External Battery
Visual
Index
PCB Connector:
MOLEX 22-11-2034 (J47)
Mating Connector:
MOLEX 22-01-3037 (Housing)
MOLEX 08-55-0102 (Crimp)