www.德州仪器.com
electricalcharacteristics(持续)
bq29312A
SLUS629A–JANUARY2005–REVISEDAUGUST2005
T
一个
=25°c,c
(reg)
=4.7µf,bat=14v(unlessotherwisenoted)
PARAMETERTESTCONDITIONMINNOMMAXUNIT
超载(ol)andshort-电路(sc)发现
V
OL
oldetectionthresholdrange,典型
(1)
–50–205mV
∆
V
OL
OLdetectionthresholdprogramstep5mV
V
hys(ol)
OLdetectionthresholdhysteresis71013mV
Charge100475
V
(sc)
scdetectionthresholdrange,典型
(2)
mV
Discharge–100–475
Charge25
∆
V
(sc)
SCdetectionthresholdprogramstepmV
Discharge–25
V
hys(sc)
SCdetectionthresholdhysteresisChargeandDischarge405060mV
V
OL
=50mv(最小值)405060
V
(ol_acr)
OLdetectionthresholdaccuracy
(1)
DischargeV
OL
=100mV90100110mV
V
OL
=205mv(最大值)184205226
V
SC
=100mv(最小值)80100120
V
(sc_acr)
SCdetectionthresholdaccuracy
(2)
ChargeandDischargeV
SC
=200mV180200220mV
V
SC
=475mv(最大值)426475523
FETDRIVECIRCUIT
V
(fetond)
=V
(bat)
–V
(dsg)
VGSconnect1M
Ω
BAT=20V121518
outputvoltage,承担,anddischarge
V
(feton)
V
FETson
V
(fetonc)
=V
(包装)
–V
(chg)
VGSconnect1M
Ω
PACK=20V121518
V
(zchg)
zvchgclampvoltagepack=4.5v3.33.53.7v
V
(fetoff)
=V
(包装)
–V
(dsg)
包装=16v0.2
outputvoltage,chargeanddischarge
V
(fetoff)
V
FETsoff
V
(fetoff
)=v
(bat)
–V
(chg)
bat=16v0.2
V
DSG
:10%–90%40200
t
r
RisetimeC
L
=4700pFµs
V
CHG
:10%–90%40200
V
DSG
:90%–10%40200
t
f
FalltimeC
L
=4700pFµs
V
CHG
:90%–10%40200
THERMISTORDRIVE
I
O
=–1maattoutpin,rds
(在)
=(v
REG
–V
O
(tout))/1ma,
r
ds(在)
toutpass-elementseriesresistance50100
Ω
T
一个
=–25°Cto85°C
逻辑
XALERTT
一个
=–25°Cto85°C60100200
R
(pup)
Internalpullupresistancek
Ω
sdata,sclk,t
一个
=–25°Cto85°C61020
xalert,i
O
=200µa,t
一个
=–25°cto85°c0.2
V
OL
logicleveloutputvoltagesdata,i
O
=50µa,t
一个
=–25°cto85°c0.4v
ODI
O
=1ma,t
一个
=–25°cto85°c0.6
(1)seeolregisterforsettingdetectionthreshold
(2)seescregisterforsettingdetectionthreshold
5
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