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(4)
I
(期)
KSET
V
(设置_期)
R
(iset)
TPS65012
SLVS504A–MARCH2004–REVISEDJANUARY2005
electricalcharacteristics(持续)
batterycharger,v
o(reg)
+V
(做-最大值)
≤
V
(chg)
=V
(交流)
orV
(usb)
,i
(期)
<i
O
≤
1a,0
°
c<t
一个
<85
°
C
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
V
(设置_taper)
VoltageatISETpinforchargeTAPERdetectionV
i(输出)
>v
(rch)
,t<t
(taper)
235250265mV
VoltageatISETpinforchargertermination
V
(设置_期)
V
i(输出)
>v
(rch)
111825mV
发现
(4)
V
(chg)
最小值
≥
4.5v,chargingcurrent
increasingordecreasingaboveand
de-glitchtimefori
(taper)
250375500ms
在下;100-nsfalltime,10-mv
overdrive
V
(chg)
最小值
≥
4.5v,chargingcurrent
de-glitchtimefori
(期)
decreasingbelow;100-nsfalltime,250375500ms
10-mvoverdrive
TEMPERATURECOMPARATOR
V
(ltf)
低(cold)temperaturethreshold2.4752.502.525v
V
(htf)
高(hot)temperaturethreshold0.4850.50.515v
I
(ts)
TScurrentsource95102110µA
de-glitchtimefortemperaturefault250375500ms
BATTERYRECHARGETHRESHOLD
V
o(reg)
V
o(reg)
V
o(reg)
V
(rch)
RechargethresholdV
(chg)
最小值
≥
4.5vv
-0.115-0.1-0.085
V
(chg)
最小值
≥
4.5v,v
i(输出)
de-
de-glitchtimecreasingbelowthreshold;100-nsfall250375500ms
时间,10-mvoverdrive
计时器
t
(prechg)
PrechargetimerV
(chg)
最小值
≥
4.5v150018002160s
t
(taper)
TapertimerV
(chg)
最小值
≥
4.5v150018002160s
t
(chg)
ChargetimerV
(chg)
最小值
≥
4.5v150001800021600s
SLEEPANDSTANDBY
V
(chg)
≤
V
(slp-entry)
睡眠-modeentrythreshold,pgoutput=high2.3v
≤
V
i(输出)
≤
V
o(reg)
V
i(输出)
V
+150mV
V
(chg)
≥
V
(slp_exit)
睡眠-modeexitthreshold,pgoutput=low2.3v
≤
V
i(输出)
≤
V
o(reg)
V
i(输出)
+19V
0mV
ACorUSBdecreasingbelow
de-glitchtimeforsleepmodeentryandexitthreshold;100-nsfalltime,10-mv200375500ms
overdrive
DelaybetweenvalidUSBvoltagebeingapplied
t
(usb_del)
375ms
andstartofchargingprocessfromUSB
chargerpower-在-重置,uvlo,andv
(在)
RAMPRATE
V
(chguvlo)
chargerunder-voltagelockoutv
(chg)
decreasing2.272.52.75v
Hysteresis27mV
V
(chgovlo)
chargerover-voltagelockoutv
(交流)
increasing6.6v
hysteresis0.5v
CHARGEROVERTEMPERATURESUSPEND
Temperatureatwhichchargersuspends
T
(suspend)
145
°
C
运作
T
(hyst)
Hysteresisofsuspendthreshold20
°
C
logicsignalsdefmain,defcore,ps_seq,iflsb
V
IH
HighlevelinputvoltageI
IH
=20µAV
CC
-0.5v
CC
V
V
IL
LowlevelinputvoltageI
IL
=10µa00.4v
I
IB
inputbiascurrent0.011.0µa
logicsignalsgpio1-4
I
OL
=1ma,configuredasan
V
OL
lowleveloutputvoltage0.3v
打开-drainoutput
7