www.德州仪器.com
bq24100,bq24103
bq24105,bq24108
bq24113,bq24115
SLUS606C–JUNE2004–REVISEDSEPTEMBER2005
electricalcharacteristics(持续)
T
J
=0°cto125°candrecommendedsupplyvoltagerange(unlessotherwisestated)
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
bothrisingandfalling,
t
dg-ts
deglitchtimefortemperaturefault,ts203040ms
2-mvoverdrivet
上升
,t
下降
=100ns
V
CC
>v
在(最小值)
,
V
o(vtsb)
tsbiasoutputvoltage3.15v
I
(vtsb)
=10ma0.1µf
≤
C
o(vtsb)
≤
1µF
V
CC
>
在(最小值)
,
V
o(vtsb)
TSbiasvoltageregulationaccuracy–10%10%
I
(vtsb)
=10ma0.1µf
≤
C
o(vtsb)
≤
1µF
BATTERYRECHARGETHRESHOLD
V
RCH
RechargethresholdvoltageBelowV
OREG
75100125mv/cell
V
i(bat)
<decreasingbelowthreshold,
t
dg-rch
Deglitchtime203040ms
t
下降
=100ns10-mvoverdrive
stat1,stat2,andpgoutputs
V
ol(statx)
低-leveloutputsaturationvoltage,statxi
O
=5ma0.5
V
V
ol(pg)
低-leveloutputsaturationvoltage,pgi
O
=10ma0.1
cecmode,cellsinputs
V
IL
低-levelinputvoltagei
IL
=5µa00.4
V
V
IH
高-levelinputvoltagei
IH
=20µa1.3v
CC
TTCINPUT
t
PRECHG
Prechargetimer144018002160s
t
承担
Programmablechargetimerranget
(chg)
=C
(ttc)×
K
(ttc)
25572minutes
chargetimeraccuracy0.01µf
≤
C
(ttc)
≤
0.18µf-10%10%
K
TTC
timermultiplier2.6min/nf
C
TTC
chargetimecapacitorrange0.010.22µf
V
ttc_en
TTCenablethresholdvoltageV
(ttc)
rising200mV
SLEEPCOMPARATOR
V
CC
≤
V
IBAT
V
CC
≤
V
IBAT
2.3v
≤
V
i(输出)
≤
V
oreg,
for1or2cells
+5mV+75mV
V
slp-ent
睡眠-modeentrythresholdv
V
i(输出)
=12.6v,r
在
=1k
Ω
V
CC
≤
V
IBAT
V
CC
≤
V
IBAT
bq24105/15
(1)
-4mv+73mv
V
slp-exit
睡眠-modeexithysteresis,2.3v
≤
V
i(输出)
≤
V
OREG
40160mV
V
CC
decreasingbelowthreshold,
t
下降
=100ns,10-mvoverdrive,5µs
PMOSturnsoff
t
dg-slp
Deglitchtimeforsleepmode
V
CC
decreasingbelowthreshold,
t
下降
=100ns,10-mvoverdrive,203040ms
STATxpinsturnoff
UVLO
V
uvlo-在
ICactivethresholdvoltageV
CC
rising3.153.303.50v
ICactivehysteresisV
CC
falling120150mV
PWM
7V
≤
V
CC
≤
V
cc(最大值)
400
internalp-channelmosfeton-阻抗
4.5v
≤
V
CC
≤
7V500
m
Ω
7V
≤
V
CC
≤
V
cc(最大值)
130
internaln-channelmosfeton-阻抗
4.5v
≤
V
CC
≤
7V150
f
OSC
oscillatorfrequency1.1mhz
Frequencyaccuracy–9%9%
D
最大值
Maximumdutycycle100%
D
最小值
Minimumdutycycle0%
t
TOD
switchingdelaytime(turnon)20ns
t
syncmin
MinimumsynchronousFETontime60ns
synchronousfetminimumcurrent-止
50400mA
门槛
(2)
(1)forbq24105andbq24115only.r
在
isconnectedbetweeninandpgndpinsandneededtoensuresleepentry.
(2)n-channelalwaysturnsonfor~60nsandthenturnsoffifcurrentistoolow.
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