參數(shù)資料
型號： TPS65040ZQER
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： 8-CHANNEL POWER SUPPLY MANAGEMENT CKT, PBGA71
封裝： 5 X 5 MM, 0.50 MM PITCH, GREEN, PLASTIC, MICRO, BGA-71
文件頁數(shù)： 59/73頁
文件大?。?/td> 1928K
代理商： TPS65040ZQER
SLVS708B – NOVEMBER 2006 – REVISED APRIL 2007
Table 19. Main Bandgap Power-Up Condition
BLOCK
CONDITION
MBG
SBG
NOTE: When one of these blocks turns on, Main bandgap turns on.
DC/DC converter
Power Up
ON
V11_V28TX
Power Up
ON
V12_V28RX
Power Up
ON
V13_V28A
Normal Mode
ON
V15_V18A
Normal Mode
ON
VGGE1_V28
Normal Mode
ON
VGGE2_V28
Normal Mode
ON
VGGE3_V28
Normal Mode
ON
PAVREF
Power Up
ON
VTCXO
Power Up
ON
AFCDAC
CLOCK DISTRIBUTION
Table 20. Main Bandgap at Power-Down Condition
BLOCK
CONDITION
MBG
SBG
NOTE: When all blocks are in the condition listed, Main bandgap turns off.
DC/DC converter
Power Down
OFF
ON
V11_V28TX
Power Down
V12_V28RX
Low Power Mode or Power Down
V13_V28A
Low Power Mode or Power Down
V15_V18A
Low Power Mode or Power Down
VGGE1_V28
Low Power Mode or Power Down
VGGE2_V28
Low Power Mode or Power Down
VGGE3_V28
Low Power Mode or Power Down
PAVREF
Power Down
VTCXO
Power Down
AFCDAC
CLOCK DISTRIBUTION
Table 21. Main Bandgap by External Pin Control
PIN
CONDITION
POWER UP BLOCK
MBG
SBG
NOTE: When one of these pins goes High, Main bandgap turns on. But the POWER UP BLOCK depends on the register control.
SYSCLK_EN
High
VTCXO, AFCDAC, CLOCK DISTRIBUTION
ON
WRFON
High
V11_V28TX=ON (r[PSCNT11]=High), V12_V28RX = V13_V28A = V15_V18A
ON
=Normal mode
SYSCLK_EN2
High
VGGE1_V28=VGGE2_V28=VGGE1_V28=Normal mode (r[GGEmodecnt]=Low)
ON
TXONFST
High
DC/DC converter, PAVREF
ON
Table 22. VREF1/VREF2 BG Buffer Power-Up Condition
CONDITION
VREF1 BG BUFFER
VREF2 BG BUFFER
REG_EN=Hi, (SBG=ON)
See below
ON
MBG=ON and r[PSCNTDC/DC]=1
ON
MBG=ON and r[PSCNTDC/DC]=0
OFF
ON
In Table 20 Condition
OFF
ON
62
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