www.德州仪器.com
ELECTRICALCHARACTERISTICS
bq24030,bq24031,bq24032,
bq24032a,bq24035,bq24038,bq24039
SLUS618C–AUGUST2004–REVISEDJUNE2005
overjunctiontemperaturerange(0°c
≤
T
J
≤
125°c)andtherecommendedsupplyvoltagerange(unlessotherwisenoted)
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
INPUTBIASCURRENTS
I
cc(sply)
activesupplycurrent,vccv
VCC
>v
vcc(最小值)
12mA
V
(交流)
<v
(bat)
,v
(usb)
<v
(bat)
,
sleepcurrent(currentintobat
I
cc(slp)
2.6v
≤
V
i(bat)
≤
V
o(bat-reg)
,25
管脚)
ExcludesloadonOUTpin
V
i(交流)
≤
6v,totalcurrentintoacpinwith
I
cc(作-stdby)
acstandbycurrentchipdisabled,excludesallloads,200
ce=低,aftert
(ce-holdoff)
延迟
TotalcurrentintoUSBpinwithchip
I
cc(usb-stdby)
usbstandbycurrentdisabled,excludesallloads,ce=低,200
µA
aftert
(ce-holdoff)
延迟
totalcurrentintobatpinwithacand/或者
usbpresentandchipdisabled;ex-
I
cc(bat-stdby)
batstandbycurrentcludesallloads(outandldo),4560
ce=低,aftert
(ce-holdoff)
延迟,
0°C
≤
T
J
≤
85°C
(1)
chargedone,acorusbsupplyingthe
I
ib(bat)
chargedonecurrent,bat15
加载
HIGHACCUTOFFMODE
V
i(交流)
>6.8v,acfet(q1)turnsoff,
inputaccutoffvoltageusbfet(q3)turnsonifusbpower
V
截-止
6.16.46.8v
(bq24039isproductpreview)呈现,otherwisebatfet(q2)转变
在.
LDOOUTPUT
activeonlyifacorusbispresent,
V
o(ldo)
outputregulationvoltage3.3v
V
i(输出)
≥
V
o(ldo)
+(i
o(ldo)
×R
ds(在)
)
Regulationaccuracy
(2)
–5%5%
I
o(ldo)
Outputcurrent20mA
R
ds(在)
OnresistanceOUTtoLDO50
Ω
C
(输出)
(3)
Outputcapacitance1µF
outpin-voltageregulation
bq24030/31v
i(交流)
≥
6V+V
做
6.06.3
bq24032/2av
i(交流)
≥
4.4v+v
做
4.44.5
输出
V
o(输出-reg)
regulationV
vbsel=highorvbsel=低,
bq240384.44.5
电压
V
i(交流)
>4.4v+v
做
bq24039V
o(reg)
+V
dd-交流
<v
交流
<v
截-止
66.3
OUTPIN–DPPMREGULATION
V
(dppm-设置)
DPPMsetpoint
(4)
V
dppm-设置
<v
输出
2.65v
I
(dppm-设置)
DPPMcurrentsourceACorUSBpresent95100105µA
SFDPPMscalefactorV
(dppm-reg)
=V
(dppm-设置)
×sf1.1391.1501.162
(1)thisincludesthequiescentcurrentfortheintegratedldo.
(2)instandbymode(celow)theaccuracyis±10%.
(3)ldooutputcapacitornotrequiredbutonewithavalueof0.1µfisrecommended.
(4)v
(dppm-设置)
isscaledupbythescalefactorforcontrollingtheoutputvoltageV
(dppm-reg)
.
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