TPS65910, TPS65910A, TPS65910A3, TPS659101, TPS659102, TPS659103
TPS659104, TPS659105, TPS659106, TPS659107, TPS659108, TPS659109
SWCS046N –MARCH 2010–REVISED APRIL 2012
www.ti.com
Figure 13 shows the transitions of the state-machine.
PWRHOLD
NRESPWRON
Pulse
generator
DEV_ON
POWER ON
enable
INT1
tDOINT
PWRON
tD
PWRON_LP_IT
THERM_TS
DEV_OFF
NO SUPPLY
DEV_OFF_RST
SLEEPSIG_POL
MB and BB<VBNPR
SLEEP
SLEEP
enable
DEV_SLP
INT1
MB>VMBHI
MB<VMBLO
MB and BB<VBNPR
OFF
MB>VMBHI
MB and BB<VBNPR
POWER ON
enabled and
MB>VMBCH
POWER ON
disabled
Backup
MB or BB>VBNPR and
MB<VMBLO
ACTIVE
POWER ON
disabled
MB<VMBLO
SLEEP
enabled
SLEEP
disabled
MB: Main battery voltage
BB: Backup battery voltage
MB<VMBLO
SLEEP
SWCS046-011
Figure 13. Embebded Power Control State-Machine
Device power-on enable conditions:
If none of the device power-on disable conditions is met, the following conditions are available to turn on
and/or maintain the ON state of the device:
•
•
•
PWRON signal low level.
Or PWRHOLD signal high level.
Or DEV_ON control bit set to 1 (default inactive).
42
Submit Documentation Feedback
Copyright © 2010–2012, Texas Instruments Incorporated
Product Folder Link(s): TPS65910 TPS65910A TPS65910A3 TPS659101 TPS659102 TPS659103 TPS659104
TPS659105 TPS659106 TPS659107 TPS659108 TPS659109
TI [ TEXAS INSTRUMENTS ]
