www.德州仪器.com
bq24030,bq24031,bq24032,
bq24032a,bq24035,bq24038,bq24039
SLUS618C–AUGUST2004–REVISEDJUNE2005
electricalcharacteristics(持续)
overjunctiontemperaturerange(0°c
≤
T
J
≤
125°c)andtherecommendedsupplyvoltagerange(unlessotherwisenoted)
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
USBPININPUTCURRENTREGULATION
V
i(bat)
>v
(lowv)
,
V
i(usb)
-v
i(bat)
>v
(做-最大值)
,iset2=低,
(14)
100
iset3=低,psel=低,ornoac
usbinputcurrentrange,
(bq24039),
(13)
I
(usb)
bq24030/1/2/2a/5/8;毫安
V
i(bat)
>v
(lowv)
,
bq24039
(12)
V
i(usb)
-v
i(bat)
>v
(做-最大值)
,iset2=高,
400
(14)
500
iset3=低,psel=低,ornoac
(bq24039),
(12)
batpinchargingvoltageregulation,v
o(bat-reg)
+V
(做-最大值)
<v
CC
,i
期
<i
bat(输出)
≤
1A
bq24030/2/2a/5/84.2
电池
bq240314.36v
承担
vbxl=hi4.36
电压
V
o(bat-reg)
bq24038
vbxl=lo4.2
T
一个
=25°c–0.5%0.5%
Batterychargevoltageregulation
精度
–1%1%
CHARGETERMINATIONDETECTION
ChargeterminationdetectionV
i(bat)
<v
(rch)
,
I
(期)
10150mA
rangeI
(期)
=(k
(设置)
×V
(期)
)/r
设置
V
(期-交流/usb)
chargeterminationsetvoltage,
V
i(bat)
>v
(rch)
235250265mV
bq24032measuredonISET1
V
(期-交流)
交流-chargeterminationdetectionv
i(bat)
>v
(rch)
,psel=高,
235250265mV
bq24030/1/2a/5/8voltage,measuredoniset1acpg=低
V
(taper-usb)
usb-chargeterminationdetectionv
i(bat)
>v
(rch)
,psel=lowor
95100130mV
bq24030/1/2a/5/8voltage,measuredoniset1psel=highandacpg=高
V
i(bat)
>v
(rch)
,iset3=low95100130
V
(期-交流/usb)
交流/usbchargeterminationdetec-
mV
bq24039onlytionvoltage,measuredoniset1
V
i(bat)
>v
(rch)
,iset3=high235250265
t
下降
=100ns,10mvoverdrive,
deglitchtimeforterminationde-
T
dgl(期)
I
CHG
increasingaboveordecreasingbe-22.5ms
tection
lowthreshold
TEMPERATURESENSECOMPARATORS
V
LTF
highvoltagethresholdtempfaultatv(ts)>v
LTF
2.4652.5002.535v
V
HTF
lowvoltagethresholdtempfaultatv(ts)<v
HTF
0.4850.5000.515v
I
TS
Temperaturesensecurrentsource94100106µA
R
(tmr)
=50k
Ω
,v
i(bat)
increasingor
Deglitchtimefortemperaturefault
T
dgl(tf)
decreasingaboveandbelow;22.5ms
发现
(15)
100-nsfalltime,10-mvoverdrive
BATTERYRECHARGETHRESHOLD
V
o(bat-reg)
V
o(bat-reg)
V
o(bat-reg)
V
RCH
RechargethresholdvoltageV
–0.075–0.100–0.125
R
(tmr)
=50k
Ω
,v
i(bat)
增加
deglitchtimeforrechargedetec-
T
dgl(rch)
ordecreasingbelowthreshold,22.5ms
tion
(15)
100-nsfalltime,10-mvoverdrive
(12)withthepsel=低,thebqtiny-iiidefaultstousbcharging.ifusbinputis
≤
V
BAT
,thenthebqtiny-iiichargesfromtheacinputat
theusbchargerate.inthisconfiguration,thespecificationis400ma(最小值)and500ma(最大值)forbq24030/2/2a/5/8only.
(13)withthepsel=低,thebqtiny-iiidefaultstousbcharging.ifusbinputis
≤
V
BAT
,thenthebqtiny-iiichargesfromtheacinputat
theusbchargerate.inthisconfiguration,thespecificationis80ma(最小值)and100ma(最大值)forbq24030/1/2a/5/8only;75ma(最小值)
and100ma(最大值)forbq24032.
(14)iset3-bq24039only;iset3=高-increasescurrentrangebyafactorof2(最小值-最大值)
(15)alldeglitchperiodsareafunctionofthetimersettingandismodifiedindppmorthermalregulationmodesbythepercentagesthatthe
programcurrentisreduced.
6
: 点此下载
