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參數(shù)資料
| 型號(hào)： | 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(yè)數(shù)： | 20/86頁(yè) |
| 文件大?。?/td> | 534K |
| 代理商： | TPS65910RSLT |
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PRODUCTPREVIEW
SWCS046-018
PWRHOLD
VIO/VFBIO
VAUX1
VDD2/VFB2
VDD1/VFB1
VPLL
VDAC
VAUX2
VMMC
CLK32KOUT
NRESPWRON
t
dSOFF2
t
dSON1
1.8 V
3.3 V
t
dSON2
t
dSON3
1.2 V
1.8 V
t
dSON4
t
dSON5
1.8 V
t
dSON6
t
dSON7
3.3 V
t
dSON8
t
dSOFF1
Switch-off sequence
t
: Switch-on sequence
dSONT
www.ti.com
SWCS046A – MARCH 2010 – REVISED MAY 2010
SWITCH-ON/-OFF SEQUENCES AND TIMING
BOOT1 = 0, BOOT0 = 0
Figure 2 shows the 00 Boot mode timing characteristics.
Figure 2. Boot Mode: BOOT1 = 0, BOOT0 = 0
Table 1 lists the 00 Boot mode timing characteristics.
Table 1. Boot Mode: BOOT1 = 0, BOOT0 = 0 Timing Characteristics
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
tdSON1
PWRHOLD rising edge to VIO, VAUX1 enable delay
66 × tCK32k = 2060
s
tdSON2
VIO to VDD2 enable delay
64 × tCK32k = 2000
s
tdSON3
VDD2 to VDD1 enable delay
64 × tCK32k = 2000
s
tdSON4
VDD1 to VPLL enable delay
64 × tCK32k = 2000
s
tdSON5
VPLL to VDAC,VAUX2 enable delay
64 × tCK32k = 2000
s
tdSON6
VDAC to VMMC enable delay
64 × tCK32k = 2000
s
VMMC to CLK32KOUT rising edge delay
64 × tCK32k = 2000
s
tdSON8
CLK32KOUT to NRESPWON rising edge delay
64 × tCK32k = 2000
s
tdSONT
Total switch-on delay
16
ms
PWRHOLD falling edge to NRESPWON falling edge
tdSOFF1
3 × tCK32k = 92
s
delay
tdSOFF1B
NRESPWON falling edge to CLK32KOUT low delay
1 × tCK32k = 31
s
PWRHOLD falling edge to supplies and reference
tdSOFF2
42 × tCK32k = 1.3
ms
disable delay
Registers default setting: CK32K_CTRL = 1 (32-kHz RC oscillator is used), RTC_PWDN = 1 (RTC domain off),
IT_POL = 0 (INt2 interrupt flag active low), VMBHI_IT_MSK = 0 (automatic switch-on on Battery plug),
VMBCH_SEL = 11.
BOOT1 = 0, BOOT0 = 1
Figure 3 shows the 01 Boot mode timing characteristics.
Copyright 2010, Texas Instruments Incorporated
27
Product Folder Link(s): TPS65910
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