www.德州仪器.com
V
IREG
1V
RSET1
1000,
V
IREG
前
0.1v
RSET2
1000,
bq24100,bq24103
bq24105,bq24108
bq24113,bq24115
SLUS606C–JUNE2004–REVISEDSEPTEMBER2005
electricalcharacteristics(持续)
T
J
=0°cto125°candrecommendedsupplyvoltagerange(unlessotherwisestated)
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
VOLTAGEREGULATION
cells=低,involtageregulation4.2
outputvoltage,bq24103/13
V
OREG
cells=高,involtageregulation8.4v
outputvoltage,bq24100/08operatinginvoltageregulation4.2
feedbackregulationrefforbq24105/15
V
IBAT
I
IBAT
=25natypicalintopin2.1v
仅有的(w/fb)
T
一个
=25°c–0.5%0.5%
Voltageregulationaccuracy
–1%1%
currentregulation-fastcharge
V
LOWV
≤
V
i(bat)
<v
OREG
,
I
OCHARGE
Outputcurrentrangeofconverter1502000mA
V
(vcc)
-v
i(bat)
>v
(做-最大值)
100mV
≤
V
IREG
≤
200mv,
V
IREG
VoltageregulatedacrossR
(sns)
Accuracy–10%10%
ProgrammedWhere
5k
Ω≤
RSET1
≤
10k
Ω
,selectrset1to
programV
IREG
,
V
ireg(量过的)
=I
OCHARGE
+R
SNS
(–10%to10%excludeserrorsduetorset1
andR
(sns)
容忍)
V
(lowv)
≤
V
i(bat)
≤
V
o(reg)
,
V
(iset1)
Outputcurrentsetvoltage1V
V
(vcc)
≥
V
i(bat)
×
v(做-最大值)
V
LOWV
≤
V
i(bat)
<v
o(reg)
,
K
(iset1)
outputcurrentsetfactor1000v/一个
V
(vcc)
≥
V
i(bat)
+
v(做-最大值)
prechargeandshort-circuitcurrentregulation
prechargetofast-chargetransitionvoltage
V
LOWV
6871.475%v
o(reg)
门槛,bat,bq24100/03/05/08icsonly
deglitchtimeforprechargetofastchargerisingvoltage;
t203040ms
transitiont
上升
,t
下降
=100ns,2-mvoverdrive
I
OPRECHG
PrechargerangeV
i(bat)
<v
LOWV
,t<t
PRECHG
15200mA
V
(iset2)
prechargesetvoltage,iset2v
i(bat)
<v
LOWV
,t<t
PRECHG
100mV
K
(iset2)
prechargecurrentsetfactor1000v/一个
100mV
≤
V
ireg-前
≤
100mv,
V
ireg-前
VoltageregulatedacrossR
SNS
-accuracy–20%20%
(pgm)在哪里
1.2k
Ω≤
RSET2
≤
10k
Ω
,selectrset1
toprogramV
ireg-前,
V
ireg-前
(量过的)=i
opre-chg
×R
SNS
(–20%to20%excludeserrorsduetorset1
andR
SNS
容忍)
chargetermination(currenttaper)发现
I
期
ChargecurrentterminationdetectionrangeV
i(bat)
>v
RCH
15200mA
chargeterminationdetectionsetvoltage,
V
期
V
i(bat)
>v
RCH
100mV
ISET2
K
(iset2)
terminationcurrentsetfactor1000v/一个
ChargerterminationaccuracyV
i(bat)
>v
RCH
–20%20%
bothrisingandfalling,
t
dg-期
Deglitchtimeforchargetermination203040ms
2-mvoverdrivet
上升
,t
下降
=100ns
TEMPERATURECOMPARATORANDVTSBBIASREGULATOR
V
LTF
coldtemperaturethreshold,ts72.873.574.2
V
HTF
hottemperaturethreshold,ts33.734.435.1
%V
o(vtsb)
V
TCO
cutofftemperaturethreshold,ts28.729.329.9
ltfhysteresis0.51.01.5
4
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