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參數(shù)資料
型號: TPS65810RTQT
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 9-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC56
封裝: 8 X 8 MM, GREEN, PLASTIC, QFN-56
文件頁數(shù): 28/99頁
文件大小: 2128K
代理商: TPS65810RTQT
www.ti.com
SYSTEM SEQUENCING AND TPS65810 OPERATING MODES
SLEEP STATE
ONLY RTC _LDOISON
POWERPATH ACTIVE
RESPWRON = 0
REGISTERCONTENTSNOT RESET
INTERRUPT CLEARED
OFF
PROCESSOR
STANDBY STATE
RESPWRON = HI
PGFORSM1&SM2
ismasked
ENABLESTATE
SEQUENCESTATE
START INTEGRATED
SUPPLY START - UP SEQUENCE
RESPWRON = LO
POWERGOOD
CHECKSTATE
RESPWRON=HI
ENABLEPOWERGOODCOMPARATORS
INT PINMODESET BY INTERRUPT
CONTROLLER
NORMAL MODE
RESPWRON=HI
ANY
STATE
RESETSTATE
RESPWRON=LO
START SYSTEMRESET PULSE TIMER
WHENHOT_RESET=HI
RESET
TIMEREXPIRES
V(SYS_IN) >
AND
V(OUT) > V
V
(LOW_SYS)
V(AC) > VUVLO
OR
V(USB) > VUVLO
OR
V(BAT ) > VUVLO
NOPGOOD
FAULT
STANDBY
ON
STANDBY
OFF
PGOOD
FAULT
PGOOD
FAULT
V(OUT) < VUVLO
RESPWRON=LO
V(SYS_IN) <
OR
POWER
CYCLE
AND
SLEEP NOT SET BY
THERMAL FAULT
THERMAL
FAULT
V(HOT_RESET)=LO
OR
I2CSOFT_RESET
REGISTERBIT
SOFT_RST = HI
V(HOT_RESET)= HI OR
I2CSOFT_RESET
REGISTERBIT
SOFT_RESET = LO
(SELFCLEARED )
V(HOT _RESET)=LO
OR
I2CSOFT_RESET
REGISTERBIT
SOFT_RST= HI
PGOODFAULT :
A NON - MASKEDBIT OF THE
POWER _GOODI2CREGISTER TOGGLES
FROMLO TOHI
STANDBY ON
: SM1 ANDSM2 SET INSTANDBY
MODEBY GPIOORI 2CCOMMAND
STANDBY OFF :
SM1 ANDSM2 EXIT STANDBY
MODEBY GPIOOR I2CCOMMAND
RESETTIMER :
VALUESET BY CAPACITOR
CONNECTED TO TRSTPWONPIN
I2CSOFT_RESETBIT
LOCATEDIN
SOFT_RESET REGISTER , BIT B0
POWERUP
OR
I2CSOFT_RESET
REGISTER
BIT SLEEP _MODE = HI
(SELF-CLEARED)
RESPWRON=LO
UVLO
V
(LOW_SYS)
LOADPOWERUP DEFAULTSIN
I2CREGISTERS
CONNECT AC , USBORBAT PIN TO
OUT PIN
DISABLEPOWERGOODFAULT
DETECTION
INT PIN = HIGHIMPEDANCE
POR_FLAG= HI
POWERUP DEFAULTSLOADED
IN ALL I2CREGISTERS
(ExceptINT_ACKn)
POWERDOWNRAILS,
WAIT 5msec
SLVS658B – MARCH 2006 – REVISED FEBRUARY 2007
The TPS65810 has a state machine that controls the device power up and power down sequencing. The main
operating modes are shown in the state diagram below:
Figure 28. TPS65810 State Diagram
POWER UP – If the AC, USB and BAT pin voltages are below the internal UVLO threshold VUVLO (2.5 V typ) all
IC blocks are disabled and the TPS65810 is not operational, with all functions OFF. When an external power
source or battery with voltage greater than the VUVLO voltage threshold is applied to AC/USB or BAT pins the
internal TPS65810 references are powered up, biasing internal circuits. When all the main internal supply rails
are active the TPS65810 I2C registers are set to the power-up default values, shown below:
34
Copyright 2006–2007, Texas Instruments Incorporated
Product Folder Link(s): TPS65810 TPS65811
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相關代理商/技術參數(shù)
參數(shù)描述
TPS65810RTQTG4 功能描述:電池管理 Int Sgl-Cell Lit-Ion Batt & Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
TPS65811RTQR 功能描述:電池管理 Integr S-C Li-Ion RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
TPS65811RTQRG4 功能描述:電池管理 Integr S-C Li-Ion RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
TPS65811RTQT 功能描述:電池管理 Integr S-C Li-Ion RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
TPS65811RTQTG4 功能描述:電池管理 Integr S-C Li-Ion RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
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