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| EUP8010X Datasheet, PDF (6/12 Pages) Eutech Microelectronics Inc – Linear Li-Ion/Polymer Charger IC with Integrated FET and Charger Timer | |||
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EUP8010X
Electrical Characteristics Over Recommended Operating Free-Air Temperature Range
Parameter
Conditions
EUP8010X
Unit
Min. Typ. Max.
Precharge and Short-Circuit Current Regulation
Precharge to fast-charge transition
threshold, V(LOWV)
Voltage on OUT pin
2.8
Deglitch time for fast-charge to
precharge transition
250
Precharge range, IO(PRECHG) (2)
0 V < VI(BAT) < V(LOWV)
5
Precharge set voltage, V(PRECHG)
Voltage on ISET pin,
0 V < VI(BAT) > V(LOWV)
230
Charge Taper and Termination Detection
Charge taper detection range,
I(TAPER) (3)
VI(BAT) > V(RCH)
5
Charge taper detection set voltage,
V(TAPER)
Charge termination detection set
voltage, V(TERM) (4)
Voltage on ISET pin, VO(REG) = 4.2V,
VI(BAT) > V(RCH)
235
Voltage on ISET pin, VO(REG) = 4.2V,
VI(BAT) > V(RCH)
11
Deglitch time for TAPER detection,
tTPRDET
250
Deglitch time for termination detection,
tTRMDET
250
Temperature Sense Comparator
3.0 3.2 V
375 500 ms
100 mA
245 260 mV
100 mA
250 265
mV
18
25
375 500
ms
375 500
Low-voltage threshold, V(LTF)
High-voltage threshold, V(HTF)
Current source, I(TS)
Deglitch time for temperature fault,
t(DEGL)
Battery Recharge Threshold
Recharge threshold, VRCH
Deglitch time for recharge detect,
t(DEGL)
STAT1, STAT2, and PG Outputs
Low-level
VOL
output
saturation
voltage, IO = 5 mA
2.49 2.515 2.54
V
0.495 0.510 0.525
102 112 122 µA
250 375 500 ms
VO(REG) VO(REG) VO(REG)
-0.150 -0.10 -0.050
V
250 375 500 ms
0.25 V
(1)
IO(OUT)
=
ï£ï£«
K
(SET) Ã V(SET)
R SET

(3)
IO(TAPER)
=
ï£ï£«
K(SET) Ã V(TAPER)
R SET

(2)
IO(PRECHG)
=
ï£ï£«
K
(SET)
Ã
R
V(PRECHG)
SET

(4)
IO(TERM)
=

ï£
K
(SET) Ã V(TERM)
R SET


DS8010X Ver 1.2 June 2007
6
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