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