参数资料
型号: TPS659102A1RSLR
厂商: TEXAS INSTRUMENTS INC
元件分类: 电源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC48
封装: 6 X 6 MM, 1 MM HEIGHT, 0.40 MM PITCH, GREEN, PLASTIC, VQFN-48
文件页数: 22/93页
文件大小: 1014K
代理商: TPS659102A1RSLR
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
SWCS046I
– MARCH 2010 – REVISED JULY 2011
Figure 2 shows the 00 Boot mode timing characteristics.
Figure 2. Boot Mode: BOOT1 = 0, BOOT0 = 0
Table 3 lists the 00 Boot mode timing characteristics.
Table 3. 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 NRESPWRON rising edge delay
64
× tCK32k = 2000
s
tdSONT
Total switch-on delay
16
ms
PWRHOLD falling edge to NRESPWRON falling edge
tdSOFF1
2
× tCK32k = 62.5
s
delay
tdSOFF1B
NRESPWRON falling edge to CLK32KOUT low delay
3
× tCK32k = 92
s
PWRHOLD falling edge to supplies and reference
tdSOFF2
5
× tCK32k = 154
s
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
Table 4 provides details about the EEPROM setting for the BOOT modes. The power-up sequence for this boot
mode is provided in Figure 3.
Copyright
2010–2011, Texas Instruments Incorporated
29
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