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TPS658620ZQZT датащи(PDF) 53 Page - Texas Instruments |
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TPS658620ZQZT датащи(HTML) 53 Page - Texas Instruments |
53 / 104 page 3.53 HOST INTERFACE 2V2 32KHZ_OUT Powerapplied SYS V LOW_SYS RTC_OUT/BBAT V UVLO 32kHZ X AC,USBORBAT NORTC X EXTERNAL CONTROL CIRCUIT RESET T =8mSec POR T NORTC SEQUENCINGCOMPLETED V RTCLOW HOST-BASEDSEQUENCINGOFSUPPLIES NOPOWER X T NOPOWER Z 6586XPOWER-UP HOST CONTROLLED SEQUENCING: RTC_OUT SUPPLIES EXTERNAL CIRCUIT THAT DRIVESSUPPLY POWER-UP USING TRIGGERPINSSM0EN, SM1EN,SYNCEN ENABLE PINS 2V2 32KHZ_OUT Powerapplied SYS V LOW_SYS RTC_OUT/BBAT V UVLO 32kHZ X AC,USBORBAT NORTC X T =8mSec POR T NORTC SEQUENCINGCOMPLETED V RTCLOW HOST RESET , TPS6585XSEQUENCES THEINTEGRATEDSUPPLIES NOPOWER X T NOPOWER Z 6586XPOWER-UP 6586XSEQUENCING: HOST ISKEPT IN RESET MODEUNTIL 6586XSEQUENCES ALL SUPPLIESFOLLOWING INTERNAL, PRE-DEFINED TIMING. ALL ENABLEPINS CONNECTED TO2V2 ALL ENABLES TPS658620 Advanced Power Management Unit www.ti.com SLVS993 – OCTOBER 2009 The TPS658620 may be used in systems where the sequencing is controlled by an external host or housekeeping circuit, as well as in systems where stand-alone sequencing is a requirement. For host controlled systems the RTC_OUT LDO can be used as the supply that powers the external sequencing control and the NOPOWER and NORTC pin signals are used as resets for the external circuit. Figure 3-13. Host Controlled Startup Figure 3-14. TPS658620 Controlled Startup Submit Documentation Feedback DETAILED DESCRIPTION 53 |
Аналогичный номер детали - TPS658620ZQZT |
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Аналогичное описание - TPS658620ZQZT |
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