參數(shù)資料
型號(hào): TPS65185RSLT
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: POWER SUPPLY SUPPORT CKT, PQCC48
封裝: 6 X 6 MM, 0.4 MM PITCH, 0.9 MM HEIGHT, PLASTIC, VQFN-48
文件頁數(shù): 9/49頁
文件大?。?/td> 2488K
代理商: TPS65185RSLT
PRODUCTPREVIEW
UDLY1
ACTIVE bit
or
WAKEUP high
VN PG
VB PG
UDLY2
PG1
STROBE 1
STROBE 2
UDLY3
PG2
STROBE 3
UDLY4
PG3
STROBE 4
PG4
STANDBY bit
or
WAKEUP low
STROBE 2
STROBE 1
DDLY1
DDLY2
DDLY3
STROBE 3
STROBE 4
DDLY4
Discharge DELAY
VB
powers up
1
st rail
powers up
2
nd rail
powers up
3
nd rail
powers up
4
th rail
powers up
4
th rail
powers down
3
nd rail
powers down
2
nd rail
powers down
1
st rail
powers down
VB
powers down
VN
powers down
VN
powers up
SLVSAQ8A
– FEBRUARY 2011 – REVISED MAY 2011
TOP: Power-up sequence is defined by assigning strobes to individual rails. STROBE1 is the first strobe to occur after
ACTIVE bit is set and STROBE4 is the last event in the sequence. Strobes are assigned to rails in UPSEQ0 register
and delays between STROBES are defined in UPSEQ1 register.
BOTTOM: Power-down sequence is independent of power-up sequence. Strobes and delay times for power down
sequence are set in DWNSEQ0 and DWNSEQ1 register.
Figure 23. Power-Up and Power-Down Sequence
Copyright
2011, Texas Instruments Incorporated
17
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