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bq24721
SLUS683–NOVEMBER2005
electricalcharacteristics(持续)
8Vdc
≤
V
(vcc)
≤
24vdc,0
°
C
≤
T
J
≤
125
°
c,allvoltageswithrespecttoagnd(unlessotherwisenoted)
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
thermistorcomparators,ts
coldtemperaturethreshold,
V
(ltf)
V
(ts)
rising72.873.574.2%vref5
TSpinvoltage
V
(ltfh)
HysteresisforLTFthresholdV
(ts)
falling0.511.5%vref5
cutofftemperaturethreshold,
V
(tco)
V
(ts)
rising28.729.329.9%vref5
TSpinvoltage
hottemperaturethreshold,ts
V
(htf)
V
(ts)
rising/falling33.734.435.1%vref5
pinvoltage
Packthermistorinsertion
V
(tsdet)
V
t(s)
rising/falling82.458587.55%vref5
发现
DeglitchtimefortemperatureV
(ts)
risingaboveV
(ltf)
,orv
(ts)
fallingbelowV
(tco)
,orv
(ts)
16µs
outofrangedetectionfallingbelowV
(htf)
DeglitchtimefortemperatureV
(ts)
fallingbelow(v
(ltf)
-v
(ltfh)
),orv
(ts)
risingaboveV
(tco)
,或者
8ms
invalidrangedetectionV
(ts)
risingaboveV
(htf)
DeglitchtimeforthermistorV
(ts)
risingaboveV
(tsdet)
16µs
removaldetectionV
(ts)
>v
(tsdet)
(packremoved)
DeglitchtimeforthermistorV
(ts)
fallingbelowV
(tsdet)
1s
insertiondetectionV
(ts)
<v
(tsdet)
(packinserted)
CHARGEOVERCURRENTCOMPARATOR
Overcurrentprotection
V
(olp)
V
(srp-srn)
rising200%I
(reg_chg)
门槛
V
(olph)
HysteresisV
(srp-srn)
falling20%I
(reg_chg)
6
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