Datasheet

PWRON
VIO
INT1
1.8 V
NRESPWRON
Interrupt acknowledge
PWRHOLD
PWRON_IT=1
CLK33KOUT
Interrupt acknowledge
Switch-off
sequence
t
t
dbPWRONF
t
dSONT
t
dbPWRONF
t
dONPWHOLD
Switch-on sequence
SWCS046-009
PWRON_IT=1
dbPWRHOLDF
t
dOINT1
(1)
SWCS046-022
VCC7
VIO
INT1
1.8V
t
d32KON
NRESPWRON
t
dSONT
Switch-on sequence
Interrupt aknowledge
PWRHOLD
VMBHI_IT=1
t
dONVMBHI
CLK33KOUT
VMBCH threshold
VMBHI threshold
VRTC
1.8V
t
dbVMBHI
VMBDCH threshold
VMBLO threshold
VBNPR threshold
t
dbVMBDCH
t
dbVMBLO
Switch-off sequence
VBACKUP > VBNPR
(1)
t
dOINT1
TPS65910, TPS65910A, TPS65910A3, TPS659101, TPS659102, TPS659103
TPS659104, TPS659105, TPS659106, TPS659107, TPS659108, TPS659109
SWCS046T –MARCH 2010–REVISED SEPTEMBER 2013 www.ti.com
POWER CONTROL TIMING (continued)
NOTE: (1) The DEV_ON control bit (set to 1) or the PWRHOLD signal (set high) can be used to maintain supplies on after
the switch-on sequence. If none of these devce Power On enable conditions is set, the supplies will be turned off after
t
dOINT1
delay.
Figure 4. Device Turn-On/Off with Rising/Falling Input Voltage
Device State Control Through PWRON Signal
Figure 5 shows the device state control through PWRON signal.
NOTE: (1) The DEV_ON control bit (set to 1) or the PWRHOLD signal (set high) can be used to maintain supplies on after
switch-on sequence, If none of these device POWER ON enable condition is set the supplies will be turned off after
T
dOINT1
delay.
Figure 5. PWRON Turn-On/Turn-Off
Figure 6 shows the long-press turn-off timing characteristics.
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TPS659105 TPS659106 TPS659107 TPS659108 TPS659109