LV51136T Datasheet, PDF (8/9 Pages) Sanyo Semicon Device – 2-Cell Lithium-Ion Secondary Battery Protection IC

Timing Chart
[Cout Output System]
Hysteresis cancellation
by load connection
LV51136T
Charger
connection
Load
Charger
connection connection
Load
Charger
connection connection
Over-charger
connection
Load
connection
Vd1
Vr1
VDD _Vd2
Charging recovery
depends on charger voltage
when connecting charger.
VDD
Vd4
V-
Vd3
VSS
Vd5
Discharging via FETparasite Di
Discharging via FETparasite Di
VDD
Cout
V-
td1
tr1
Over-charge detection state
[Dout Output System]
td1
tr1
Over-charge detection state
td5
tr5
Over-charger detection state
Load
connection
Vd1
Vr1
VDD _Vd2
Charger
connection
Load
connection
Over-current
occurrence
Load
connection
Load short-circuit
occurrence
Load
Over-charger
connection connection
VDD
Vd4
V- Vd3
VSS
Vd5
To standby
Charging via FETparasite Di
To standby
VDD
Dout
VSS
td2
tr2
td3
tr3
td4
tr3 td2
tr2
Over-discharge detection state
Over-current detection state
Short-circuit detection state
VDD
Cout
V-
Over-charger detection
upon charging over-discharged
td5
battery is activated after return
from over-charge.
No.A1986-8/9