參數(shù)資料
型號: TPS65910RSLT
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, 0.40 MM PITCH, GREEN, PLASTIC, VQFN-48
文件頁數(shù): 24/86頁
文件大小: 534K
代理商: TPS65910RSLT
PRODUCTPREVIEW
VCC7
VIO
INT1
1.8 V
T
d32KON
NRESPWON
T
dSONT
Switch-on sequence
Interrupt acknowledge
PWRHOLD
VMBHI_IT=1
T
dONVMBHI
CLK33KOUT
VMBCH threshold
VMBHI threshold
VRTC
1.8 V
T
dbVMBHI
SWCS046-020
SWCS046A – MARCH 2010 – REVISED MAY 2010
www.ti.com
Table 3. Power Control Timing Characteristics
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
tdbPWRONF: PWRON falling-edge debouncing delay
1024 × tCK32k = 32
s
tdbPWRONR: PWRON rising-edge debouncing delay
3 × tCK32k= 94
s
tdbPWRHOLD: PWRON rising-edge debouncing delay
2 × tCK32k = 63
s
tdOINT: INT1 (internal) Power-on pulse duration after
1
s
PWRON low-level (debounced) event
tdONPWHOLD: delay to set high PWRHOLD signal or
DEV_ON control bit after NRESPWON released to
tPDINT1 – tDSONT = 984
ms
keep on the supplies
tdPWRONLP: PWRON long-press delay (disabling
PWON falling edge to
6
s
power-on condition) to INT1 falling edge
INT1 falling edge
tdPWRONLPTO: PWROW long-press interrupt
INT1 falling edge to
2
s
(PWRON_LP_IT) to supplies switch-off
NRESPWON falling edge
Device turn-on with rising input voltage
Figure 6. Device Turn-On with Rising Input Voltage
NOTE
The DEV_ON control bit can be used instead of the PWRHOLD signal to maintain
supplies on after the switch-on sequence.
Table 4. Device Turn-on Voltage with Rising Input Voltage, Timing Characteristics
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
td32KON: 32-kHz oscillator turn on time
1.5
s
30
Copyright 2010, Texas Instruments Incorporated
Product Folder Link(s): TPS65910
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