EUP8084
Electrical Characteristics
(V
ADP
=5V; T
A
= -40℃ to 85℃, unless otherwise noted. Typical values are T
A
=25℃)
Symbol
Battery Charger
Operation
V
ADP
V
ASD
t
SS_CHRG
V
UVLO
I
OP
I
SHUTDOWN
I
LEAKAGE
Adapter Voltage Range
Automatic Shutdown Threshold
Voltage
Battery Charger Soft-Start Time
Under-Voltage Lockout (UVLO)
Operating Current
Shutdown Current
Reverse Leakage Current from
BAT Pin
ADP Rising Edge
ADP Falling Edge
V
BAT
=4.5V(Forces I
BAT
and I
ISET
=0)
V
BAT
= 4V, EN_BAT = GND
V
BAT
= 4V, V
ADP
=3.5V
3.4
2.8
(V
CC
-V
BAT
),V
CC
Low to High
(V
CC
-V
BAT
),V
CC
High to Low
3.75
85
15
5
110
45
120
3.6
3
115
0.2
0.7
3.8
3.2
300
5
2
5.5
135
70
V
mV
Parameter
Conditions
EUP8084
Unit
Min. Typ. Max.
µS
V
V
µA
µA
µA
Voltage Regulation
V
BAT_EOC
ΔV
BAT_EOC
/
V
BAT_EOC
V
MIN
V
RCH
△
V
UVCL1
△
V
UVCL2
End of Charge Accuracy
Output Charge Voltage Tolerance
Preconditioning Voltage Threshold
Battery Recharge Voltage
Threshold
(ADP - V
BAT
) Undervoltage
Current Limit Threshold Voltage
Measured from V
BAT_EOC
I
BAT
= 0.9 I
CH
I
BAT
= 0.1 I
CH
180
90
2.80
4.158
4.200
1
2.95
-0.15
300
130
3.10
4.242
V
%
V
V
mV
mV
Current Regulation
I
CHG
ΔI
CHG
/I
CHG
V
ISET
K
I_A
t
TIMER
Charge Current Programmable
Range
Charge Current Regulation
Tolerance
ISET Pin Voltage
Current Set Factor: I
CHG
/I
ISET
Termination Timer
Recharge Time
Low-Battery Charge Time
f
BADBAT
D
BADBAT
T
LIM
DS8084
Ver1.0
15
10
1
400
3
1.5
V
BAT
= 2.5V
0.75
4.5
2.25
1.125
2
75
115
500
mA
%
V
6
3
1.5
hrs
hrs
hrs
Hz
%
℃
Defective Battery Detection STAT
Pulse Frequency
Defective Battery Detection STAT
Pulse Frequency Duty Ratio
Junction Temperature in Constant-
Temperature Mode
Apr. 2008
7
EUTECH [ EUTECH MICROELECTRONICS INC ]
