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TPS65010RGZT Datasheet(PDF) 26 Page - Texas Instruments

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Part # TPS65010RGZT
Description  Power and Battery Management IC for Li-Ion Powered Systems
Download  63 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS65010RGZT Datasheet(HTML) 26 Page - Texas Instruments

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NO
POWER
Main battery
power applied
ON
VCC>UVLO,
Tj<Tshtdwn,
BATT_COVER
high ?
timer if not running
timer done ?
No
Yes
No
LOW
POWER
MODE
LOW_PWR
asserted ∗
Yes
LOW_PWR
de−asserted,
PB_ONOFF
button pressed
Shut down VCORE, VMAIN. Set
button pressed
low, start
timer done ?
Release
Yes
Monitored permanently
VCORE
voltage good ?
No
Yes
∗ ENABLE_LP bit must be set;
see Power States Description
Bias circuitry
enabled.
LDOs enabled
LDO1 voltage
good ?
TPS65010 holds
Reset
Yes
No
timer done ?
Release
Yes
No
timer if not running
Monitored permanently
Reset
timer
VCC>UVLO,
Tj<Tshtdwn,
BATT_COVER
high ?
No
timer done ?
timer if not running
Yes
No
∗∗Converter
Sequencing
Value
PS_SEQ ?
Boot VCORE
converter
Boot VMAIN
converter
Boot VCORE
converter
Boot VMAIN
converter
1
0
Converter
Sequencing ∗∗
Yes
Return to previous
state: ON or
LOW POWER
No
(i)
(ii)
(iii)
Routine (i) shows the behavior under normal operating
conditions when no errors such as low VCC voltage or high
junction temperature are present.
Routine (ii) shows the behavior when either the VCC voltage
drops too low, the TPS65010 junction temperature rises too
high or if the BATT_COVER input pin goes low.
Routine (iii) shows the power on reset routine, which is
triggered when the LDO1 output voltage drops 10% below its
nominal target voltage.
Routines (ii) & (iii) go into effect as soon as their trigger
conditions apply, hence they can interrupt routine (i) at any
point. Routine (ii) has priority over routine (iii) with regard to
control of /RESPWRON and the /RESPWRON timer.
SHUT
DOWN
MPU_RESET
MPU_RESET
MPU_RESET time
Set MPU_RESET
HOT_RESET
PWRFAIL
PWRFAIL
Set PWRFAIL low
Start PWRFAIL
RESPWRON, INT, MPU_RESET
low, Reset RESPWRON timer
Reset PWRFAIL timer
Start RESPWRON
RESPWRON
RESPWRON,
PWRFAIL, INT
MPU_RESET low
RESPWRON timer
Start RESPWRON
RESPWRON
RESPWRON,
PWRFAIL, INT
MPU_RESET.
TPS65010
SLVS149C – JUNE 2003 – REVISED SEPTEMBER 2015
www.ti.com
Figure 29 shows the state diagram for the TPS65010 power sequencing. The charger function is not shown in
the state diagram since this function is independent of these states.
Figure 29. TPS65010 Power-On State Diagram
26
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Copyright © 2003–2015, Texas Instruments Incorporated
Product Folder Links: TPS65010


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