Datasheet

t
dSON1
1.8 V
t
dSON7
SWCS046-019
t
dSON8
Switch-off sequence
t : Switch-on sequence
dSONT
1.8 V
1.2 V
3.3 V
1.8 V
1.2 V
t
dSON2
t
dSON3
t
dSON4
t
dSON5
t
dSON6
t
dSOFF2
t
dSOFF1
PWRHOLD
VIO/VFBIO
VPLL
VDD2/VFB2
VDD1/VFB1
VAUX2
VAUX33
CLK32KOUT
NRESPWRON
TPS65910 , TPS65910A , TPS65910A3 , TPS659101
TPS659102 , TPS659103 , TPS659104 , TPS659105
TPS659106, TPS659107, TPS659108, TPS659109
www.ti.com SWCS046U –MARCH 2010–REVISED JUNE 2014
Table 5-3. Fixed Boot Mode: 01 (continued)
TPS65910
Register Bit Description
Boot 01
0: Device will automatically switch-on at NOSUPPLY to
0: Automatic
OFF or BACKUP to OFF transition
INT_MSK_REG VMBHI_IT_MSK switch-on from
supply insertion
1: Startup reason required before switch-on
Select threshold for main battery comparator threshold
VMBCH_REG VMBCH_SEL[1:0] 3 V
VMBCH.
Figure 5-2 shows the 01 Boot mode timing characteristics.
Figure 5-2. Boot Mode: BOOT1 = 0, BOOT0 = 1
Table 5-4 lists the 01 Boot mode timing characteristics.
Table 5-4. Boot Mode: BOOT1 = 0, BOOT0 = 1 Timing Characteristics
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
t
dSON1
PWRHOLD rising edge to VIO enable delay 66 × t
CK32k
= 2060 µs
t
dSON2
VIO to VPLL enable delay 64 × t
CK32k
= 2000 µs
t
dSON3
VPLL to VDD1 enable delay 64 × t
CK32k
= 2000 µs
t
dSON4
VDD1 to VDD2 enable delay 64 × t
CK32k
= 2000 µs
t
dSON5
VDD2 to VAUX2 enable delay 64 × t
CK32k
= 2000 µs
t
dSON6
VAUX2 to VAUX33 enable delay 64 × t
CK32k
= 2000 µs
t
dSON7
VAUX33 to CLK32KOUT enable delay 64 × t
CK32k
= 2000 µs
t
dSON8
CLK32KOUT to NRESPWRON enable delay 64 × t
CK32k
= 2000 µs
t
dSONT
Total switch-on delay 16 ms
t
dSOFF1
PWRHOLD falling edge to NRESPWRON falling edge 2 × t
CK32k
= 62.5 µs
t
dSOFF1B
NRESPWRON falling edge to CLK32KOUT low delay 3 × t
CK32k
= 92 µs
t
dSOFF2
PWRHOLD falling edge to supplies disable delay 5 × t
CK32k
= 154 µs
Registers default setting: CK32K_CTRL = 0 (32-kHz quartz or external bypass clock 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.
Copyright © 2010–2014, Texas Instruments Incorporated Specifications 39
Submit Documentation Feedback
Product Folder Links: TPS65910 TPS65910A TPS65910A3 TPS659101 TPS659102 TPS659103 TPS659104
TPS659105 TPS659106 TPS659107 TPS659108 TPS659109