参数资料
型号: TPS65072TRSLRQ1
厂商: TEXAS INSTRUMENTS INC
元件分类: 电源管理
英文描述: POWER SUPPLY SUPPORT CKT, PQCC48
封装: 6 X 6 MM, 0.4 MM PITCH, PLASTIC, QFN-48
文件页数: 22/90页
文件大小: 1375K
代理商: TPS65072TRSLRQ1
CheckBatlowV
EN_CHG=0
TEMP_ERROR=0. Alsoregistershouldbeenabled.
CC_CV_CHARGE
EN_CHG=1
DPRCHF=0
EN_ISHRT =1
BAT_SHRT_D=1
YES
EN_ISETDET_D=0
PRCHF=1
Resetprechargetimer
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
contprechargetimer
Timeout=1
suspend=1
Haltprechargetimer
YES
NO
Clearprechargetimer
Resetsafetytimer
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
contsafetytimer
Timeout=1
suspend=1
Haltsafetytimer
TAPER_D=1
NO
Clearsafetytimer
EN_CHG=0
YES
RECHARGE
EN_CHG=0
RCH_D=1
CheckIsetshrt
EN_CHG=0
ISET_SHRT_D=1
EN_ISHRT=0
EN_ISETDET_D=1
Andwait1ms
YES
NO
EN_DCH=1&&DBATSINK=1for Tdet
Thenrelease.EN_DCHreturnstopreviousstate.
YES
Atanystate,exitandforce
EN_CHG=0&&EN_SHRT=0&&
DBATSINK=0.
When
TEMP_ERROR=1||BAT_OVERI_D=1
||(BAT_SHRT_D=1&&EN_CHG=1)
Orwhen ACandUSBarenot
detected.Outofnormalmode.
BAT_SRHT_D=1
EN_ISHRT=1for Tdet
YES
Wait1msafter
EN_REF_CHG=1
ResettimerswhenSupplementmode
isdetected.SUPLM_D=1.Per
customerrequest.
Slowertimers2xwhenDPPM_ON=1
or TREG_ON=1
PRCH_D=1
YES
NO
www.ti.com
SLVSAP7 – JANUARY 2011
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 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) .
During PWM operation the converter use a unique fast response voltage mode controller scheme with input
Copyright 2011, Texas Instruments Incorporated
29
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