參數(shù)資料
型號(hào): PTPS659106A1RSL
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): 電源管理
英文描述: POWER SUPPLY SUPPORT CKT, PQCC48
封裝: 6 X 6 MM, 1 MM HEIGHT, GREEN, PLASTIC,VQFN-48
文件頁(yè)數(shù): 35/89頁(yè)
文件大小: 941K
代理商: PTPS659106A1RSL
PRODUCTPREVIEW
NO SUPPLY
OFF
ACTIVE
SLEEP
Backup
MB>VBNPR and
MB<VMBLO
MB and BB<VBNPR
MB<VMBLO
MB>VMBHI
POWER ON
enabled and
MB>VMBCH
MB>VMBHI
POWER ON
disabled
MB and BB<VBNPR
SLEEP
enabled
POWER ON
disabled
MB: Main battery voltage
BB: Backup battery voltage
MB<VMBLO
SLEEP
disabled
MB<VMBLO
SWCS046-011
PWRHOLD
DEV_ON
PWRON
INT1
PWRON_LP_IT
HOTDIE_IT
DEV_OFF
DEV_OFF_RST
POWER ON
enable
SLEEP
DEV_SLP
INT1
SLEEP
enable
SLEEPSIG_POL
SWCS046C – MARCH 2010 – REVISED JUNE 2010
www.ti.com
Figure 11 shows the transitions for the state-machine.
Figure 11. Embebded Power Control State-Machine
Device power-on enable conditions:
None of the device POWER ON disable conditions is met.
PWRON signal low level.
Or PWRHOLD signal high level.
Or DEV_ON control bit set to 1 (default inactive).
40
Copyright 2010, Texas Instruments Incorporated
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