Datasheet

TPS65070, TPS65072, TPS65073
TPS650731, TPS650732, TPS650701, TPS650702, TPS650721
www.ti.com SLVS950G –JULY 2009–REVISED MAY 2013
POWER PATH (continued)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
T
DGL(DT)
Power detected deglitch AC or USB voltage increasing 22.5 ms
VIN
(OVP)
Input over voltage detection threshold 5.8 6 6.3 V
POWER PATH TIMING
T
SW(ACBAT)
Switching from AC to BAT No USB, AC power removed 200 μs
S
W(USBBAT)
T Switching from USB to BAT No AC, USB power removed 200 μs
T
SW(PSEL)
Switching from USB to AC I2C 150 μs
T
SW(ACUSB)
Switching from AC/ USB, USB / AC AC power removed or USB power removed 200 μs
Measured from power applied to start of
T
SYSOK
SYS power up delay 11 ms
power-up sequence
POWER PATH INTEGRATED MOSFETS CHARACTERISTICS
AC Input switch dropout voltage (ILIMIT
AC
set = 2.5 A I(SYS) = 1 A) 150 mV
ILIMIT
USB
= 1300 mA I(SYS) = 500 mA 100
USB input switch dropout voltage mV
ILIMIT
USB
= 1300 mA I(SYS) = 800 mA 160
Battery switch dropout voltage V(BAT) = 3.0 V, I(BAT) = 1 A 85 100 mV
Input Current Limit
I
USB100
Input current limit; USB pin USB input current [0,0] 90 100 mA
I
USB500
Input current limit; USB pin USB input current [0,1] (default) 450 500 mA
I
USB800
Input current limit; USB pin USB input current [1,0] 700 800 mA
I
USB1300
Input current limit; USB pin USB input current [1,1] 1000 1300 mA
I
AC100
Input current limit; AC pin AC input current [0,0] 90 100 mA
I
AC500
Input current limit; AC pin AC input current [0,1] 450 500 mA
I
A1300
Input current limit; AC pin AC input current [1,0] 1000 1300 mA
I
AC2500
Input current limit; AC pin AC input current [1,1] (default) 1900 2500 mA
POWER PATH SUPPLEMENT DETECTION PROTECTION AND RECOVERY FUNCTIONS
V
OUT
≤ V
BAT
–
V
BSUP1
Enter battery supplement mode AC input current set to 10: 1.3A
45 mV
V
OUT
≥ V
BAT
–
V
BSUP2
Exit battery supplement mode
35 mV
All power path switches set to OFF if V V
SYS
<
V
SYS(SC1)
Sys short-circuit detection threshold, power-on 1.4 1.8 2.0 V
V
SYS(SC1)
Short circuit detection threshold hysteresis 50 mV
Internal resistor connected from AC to SYS;
R
FLT(AC)
Sys Short circuit recovery pull-up resistors 500 Ω
Specified by design
Internal resistor connected from USB to SYS;
R
FLT(USB)
Sys Short circuit recovery pull-up resistors 500 Ω
Specified by design
Output short-circuit detection threshold, supplement
V
SYS(SC2)
200 250 300 mV
mode V
BAT
– V
SYS
> V
O(SC2)
indicates short-circuit
t
DGL(SC2)
Deglitch time, supplement mode short circuit 120 μs
t
REC(SC2)
Recovery time, supplement mode short circuit 60 ms
V
BAT(SC)
BAT pin short-circuit detection threshold 1.4 1.8 2.0 V
I
BAT(SC)
Source current for BAT pin short-circuit detection 4 7.5 11 mA
DPPM LOOP
(1)
Threshold at which DPPM loop is enabled. This is 3.5
Set with Bits
the approximate voltage at SYS pin, when the USB 3.75
V
DPM
<PowerPath DPPM threshold1>; V
or AC switch reaches current limit and the charging 4.25
<PowerPath DPPM threshold0>
current is reduced; Selectable by I2C 4.50
(1) If the DPPM threshold is lower than the battery voltage, supplement mode will be engaged first and the SYS voltage will chatter around
the battery voltage; during that condition no DPPM mode is available.
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TPS650721