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A7BE04AA 데이터시트 PDF




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부품번호 A7BE04AA 기능
기능 Single-cell Li-ion / Li-polymer Battery Protection IC
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A7BE04AA 데이터시트, 핀배열, 회로
AnaSem
Analog Semiconductor IC
A7B Series
Single-cell Li-ion / Li-polymer
Battery Protection IC
Rev. E09-06
AnaSem Inc.
.......... Future of the analog world




A7BE04AA pdf, 반도체, 판매, 대치품
Rev. E09-06
Single-cell Li-ion / Li-polymer Battery Protection IC
A7B Series
BLOCK DIAGRAM
Oscillator
Level
Counter
Shifter
VDD
Control Circuit
_
+
Over-charge
Detector
Short Detector
Charge
+_
Over-current
Detector
+_
Over-discharge
Detector
+_
Discharge
Over-current
Detector
Vss
CO
VM
DO
CHIP PAD CONFIGURATION
No. Symbol
Descriptions
1 DO FET gate connection for discharge control (CMOS output)
2 VM Voltage monitoring for charger negative
3 CO FET gate connection for charge control (CMOS output)
4 VDD Positive power input
5 VSS Negative power input
(Unit : µm)
Chip pad layout
XY
173.5
228.5
-1.1
-37.5
-228.5
428.5
-428.5
-428.5
428.5
428.5
VSS VDD DO
(0,0)
X
Chip size : 0.7mm×1.1mm
CO VM
Thickness : 0.28mm±0.02mm
Pad size : 0.085mm×0.085mm
Chip base level : VDD
Y
AnaSem Inc.
3 .......... Future of the analog world

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A7BE04AA 전자부품, 판매, 대치품
Rev. E09-06
Single-cell Li-ion / Li-polymer Battery Protection IC
A7B Series
MEASUREMENT CONDITIONS
z Over-charge detection voltage, Over-charge hysteresis voltage --- [Circuit 1]
Set V1=3.5V and V2=0V. Over-charge detection voltage Vc is V1 at which VCO goes "Low" from "High" when
V1 is gradually increased from 3.5V. Then IC is released from the over-charge state and VCO goes "High" from
"Low" at the voltage "Measured Vc-VHc" when V1 is gradually decreased.
If V2 is set to the greater value than discharge over-current detection voltage VIdc in the over-charge state, VHc
is canceled and then IC is released from the over-charge state at Vc.
z Over-discharge detection voltage --- [Circuit 1]
Set V1=3.5V and V2=0V. Over-discharge detection voltage Vdc is V1 at which VDO goes "Low" from "High"
when V1 is gradually decreased from 3.5V. Next, set V2 under to charge over-current detection voltage VIc.
Then IC is released from the over-discharge state at Vdc and VDO goes "High" from "Low".
z Charge over-current detection voltage --- [Circuit 2]
Set V1=3.5V and V2=0V. Charge over-current detection voltage VIc is V2 at which VCO goes "Low" from "High"
when V2 is gradually decreased from 0V.
z Discharge over-current detection voltage --- [Circuit 2]
Set V1=3.5V and V2=0V. Discharge over-current detection voltage VIdc is V2 at which VDO goes "Low" from
"High" when V2 is gradually increased from 0V.
z Load short-circuiting detection voltage --- [Circuit 2]
Set V1=3.5V and V2=0V. Load short-circuiting detection voltage Vshort is V2 at which VDO goes "Low" from
"High" within a time between the minimum and the maximum value of load short-circuiting detection delay time
tshort, when V2 is increased rapidly within 10μs.
z 0V battery charge starting charger voltage --- [Circuit 3]
Set V1=V2=0V and decrease V2 gradually. 0V battery charge starting charger voltage Vcha is V2 when VCO
goes "High" ( V1-0.1V or higher ).
z 0V battery charge inhibiting battery voltage --- [Circuit 3]
Set V1=1.8V and V2=0V at first. Then set V2=V1-4.0V. Next, decrease V1 and V2 gradually, maintaining the
relation of V2=V1-4.0V. 0V battery charge inhibiting battery voltage Vinh is V1 when VCO goes "Low" ( V2+0.1V
or lower ).
z Current consumption on operation and shutdown --- [Circuit 4]
Set V1=3.5V and V2=0V on normal condition. IDD shows current consumption on operation Iopr.
Set V1=V2=1.8V on over-discharge condition. IDD shows current consumption on shutdown Isdn.
z CO : Pch ON resistance, CO : Nch ON resistance --- [Circuit 5]
Set V1=3.5V, V2=0V and V3=3.0V. (V1-V3)/|ICO| is Pch ON resistance Rcop.
Set V1=4.6V, V2=0V and V3=0.5V. V3/|ICO| is Nch ON resistance Rcon.
AnaSem Inc.
6 .......... Future of the analog world

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A7BE04AA

Single-cell Li-ion / Li-polymer Battery Protection IC

AnaSem
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