Datasheet

CheckBatlowV
EN_CHG=0
TEMP_ERROR=0. Alsoregistershouldbeenabled.
CC_CV_CHARGE
EN_CHG=1
DPRCHF=0
EN_ISHRT =1
BAT_SHRT_D=1
YES
EN_ISETDET_D=0
PRCHF=1
Resetprechargetimer
PRECHARGE
EN_CHG=1
DPRCHF=1
PRCH_D=1
FAULT
HALT_PRECHARGE
EN_CHG=0
TEMP_HOT =1|| TEMP_COLD=1|| TSHUT=1
TEMP_HOT =0&& TEMP_COLD=0&& TSHUT =0
suspend=0
contprechargetimer
Timeout=1
suspend=1
Haltprechargetimer
YES
NO
Clearprechargetimer
Resetsafetytimer
PRCHF=0
FAULT
HALT_CC_CV_CHARGE
EN_CHG=0
TEMP_HOT =1|| TEMP_COLD=1|| TSHUT=1
TEMP_HOT =0&& TEMP_COLD=0
&& TSHUT =0
suspend=0
contsafetytimer
Timeout=1
suspend=1
Haltsafetytimer
TAPER_D=1
NO
Clearsafetytimer
EN_CHG=0
YES
RECHARGE
EN_CHG=0
RCH_D=1
CheckIsetshrt
EN_CHG=0
ISET_SHRT_D=1
EN_ISHRT=0
EN_ISETDET_D=1
Andwait1ms
YES
NO
NO
NO
EN_DCH=1&&DBATSINK=1for Tdet
Thenrelease.EN_DCHreturnstopreviousstate.
YES
Atanystate,exitandforce
EN_CHG=0&&EN_SHRT=0&&
DBATSINK=0.
When
TEMP_ERROR=1||BAT_OVERI_D=1
||(BAT_SHRT_D=1&&EN_CHG=1)
Orwhen ACandUSBarenot
detected.Outofnormalmode.
BAT_SRHT_D=1
EN_ISHRT=1for Tdet
YES
Wait1msafter
EN_REF_CHG=1
ResettimerswhenSupplementmode
isdetected.SUPLM_D=1.Per
customerrequest.
Slowertimers2xwhenDPPM_ON=1
or TREG_ON=1
PRCH_D=1
YES
NO
TPS65070, TPS65072, TPS65073
TPS650731, TPS650732, TPS650701, TPS650702, TPS650721
www.ti.com SLVS950G –JULY 2009–REVISED MAY 2013
Sensor type resistor value in parallel to the NTC
10K curve 2 75k
100k curve 1 360k
BATTERY CHARGER STATE DIAGRAM
Figure 29. Charger State Machine
DCDC CONVERTERS AND LDOs
OPERATION
The TPS6507x step down converters operate with typically 2.25MHz fixed frequency pulse width modulation
(PWM) at moderate to heavy load currents. At light load currents the converter automatically enters Power Save
Mode and operates in Pulse Frequency Modulation (PFM) .
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Product Folder Links: TPS65070 TPS65072 TPS65073 TPS650731 TPS650732 TPS650701 TPS650702
TPS650721