Single-cell Li-ion / Li-polymer Battery Protection IC
Rev. E09-06
A7B Series
ELECTRICAL CHARACTERISTICS
Items
Symbol
Min.
Typ.
Max.
(Topr=25°C unless otherwise specified)
Test
Conditions
Unit
circuit
Detection voltage
Over-charge detection voltage
Vc = 4.0 to 4.5V
Over-charge hysteresis voltage
VHc = 0.0 to 0.4V
Over-discharge detection voltage
Vc = 2.0 to 3.0V
Charge over-current detection voltage
VIc = –0.25 to –0.05V
Discharge over-current detection voltage
VIdc = 0.05 to 0.40V
Load short-circuiting detection voltage
Vc
VHc
Vdc
VIc
VIdc
Vshort
Vc
–0.025
Vc
–0.030
VHc
–0.025
Vdc
×0.975
VIc
–0.030
VIdc
–0.020
–1.7
Vc
Vc
VHc
Vdc
VIc
VIdc
–1.3
Input voltage
Input voltage between V
DD
and V
SS
0V battery charge starting charger voltage
0V battery charge inhibiting battery voltage
V
DD
Vcha
Vinh
1.8
-
0.7
-
0.9
1.2
8.0
1.4
1.7
Internal operating voltage
A7BxxxxA
A7BxxxxB
V
V
V
-
3
3
Vc
+0.025
Vc
+0.030
VHc
+0.025
Vdc
×1.025
VIc
+0.030
VIdc
+0.020
–1.0
R1=330Ω
R1=330Ω
1)
Topr = –5°C to +55°C
R1=330Ω
V
V
V
V
V
V
Based on V
DD
, V
DD
=3.5V
V
1
1
1
1
2
2
2
Current consumption
Current consumption on operation
Current consumption on shutdown
Iopr
Isdn
-
-
3.0
-
6.0
0.1
V
DD
=3.5V, V
M
=0V
V
DD
=V
M
=1.8V
μA
μA
4
4
Output resistance
C
O
: Pch ON resistance
C
O
: Nch ON resistance
D
O
: Pch ON resistance
D
O
: Nch ON resistance
Discharge over-current release resistance
Over-charge detection delay time
tc=0.125s or 1.0s or 3.75s
Over-discharge detection delay time
tdc=31ms or 125ms
Charge over-current detection delay time
tic=8ms or 125ms or 1000ms
Discharge over-current detection delay time
Load short-circuiting detection delay time
Release delay time 1
Over-discharge release
Charge over-current release
Discharge over-current release
Load short-circuiting release
Release delay time 2
Over-charge release
Rcop
Rcon
Rdop
Rdon
Rdwn
1.5
0.5
1.7
1.7
15.0
tc
×0.70
tdc
×0.70
tic
×0.70
5.6
190
3.0
1.0
3.5
3.5
30.0
4.5
1.5
5.0
5.0
60.0
tc
×1.30
tdc
×1.30
tic
×1.30
10.4
550
C
O
=3.0V, V
DD
=3.5V, V
M
=0V
C
O
=0.5V, V
DD
=4.6V, V
M
=0V
D
O
=3.0V, V
DD
=3.5V, V
M
=0V
D
O
=0.5V, V
DD
=V
M
=1.8V
V
DD
=3.5V, V
M
=1.0V
V
DD
=Vc-0.2V→Vc+0.2V,
V
M
=0V
V
DD
=Vdc+0.2V→Vdc-0.2V,
V
M
=0V
V
DD
=3.5V, V
M
=0V→-1.0V
V
DD
=3.5V, V
M
=0V→1.0V
V
DD
=3.5V, V
M
=0V→3.5V
KΩ
KΩ
KΩ
KΩ
KΩ
5
5
5
5
5
Detection delay time
tc
tdc
tic
tidc
tshort
tc
tdc
tic
8.0
370
sec
msec
msec
msec
μsec
6
6
6
6
6
Release delay time
trel1
1.0
2.0
3.0
V
DD
=Vc+0.2V→Vc-0.2V,
V
M
=1.0V
msec
6
trel2
8.0
16.0
24.0
msec
6
Note :
1)
The specification for this temperature range is guaranteed by design, not tested in production.
5
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