EMLB180 EM Microelectronic, EMLB180 Datasheet - Page 3

• Manufacturer Part Number: EMLB180
• Description: Lithium Ion Battery Protection Module
• Manufacturer: EM Microelectronic

Electrical Schematic
Functional Description
Overcharge
If the battery voltage rises over the overvoltage high limit, charging is stopped by opening the power switch.
The switch is closed again when:
•
•
Overdischarge
If the battery voltage falls under the undervoltage low limit, discharging is stopped by opening the power switch.
The switch is closed again when:
•
•
The battery voltage falls below overvoltage low level (self discharge of the battery).
A discharge current is detected.
The battery voltage rises over undervoltage high level.
A charge current is detected.
EM6180
IC1
PNeg
Panther Lithium Battery Protection Module
EM MICROELECTRONIC-MARIN SA
Vdd
PPos
BNeg
CC
Vss
CD
Sense
C1
C2
R1
R2
IC3
IC2
© EM Microelectronic-Marin SA, 03/01 Rev.A/351, Preliminary
Pack+
Bat+
Bat-
Pack-
PRELIMINARY
3