Datasheet
TPS2543
SLVSBA6 –FEBRUARY 2012
www.ti.com
ELECTRICAL CHARACTERISTICS, CHARGING CONTROLLER
Unless otherwise noted: –40 ≤ T
J
≤ 125°C, 4.5 V ≤ V
IN
≤ 5.5 V, V
EN
= V
IN
, V
ILIM_SEL
= V
IN
, V
CTL1
= 0 V, V
CTL2
= V
CTL3
= V
IN
.
R
FAULT
= R
STATUS
= 10 kΩ, R
ILIM_HI
= 20 kΩ, R
ILIM_LO
= 80.6 kΩ, Positive currents are into pins. Typical values are at 25°C. All
voltages are with respect to GND.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
SHORTED MODE VCTL1 = VIN, VCTL2 = VCTL3 = 0V
DP_IN / DM_IN shorting resistance 125 200 Ω
DIVIDER1 MODE
DP_IN Divider1 output voltage 1.9 2.0 2.1 V
DM_IN Divider1 output voltage 2.57 2.7 2.84 V
DP_IN output impedance 8 10.5 12.5 kΩ
DM_IN output impedance 8 10.5 12.5 kΩ
DIVIDER2 MODE IOUT = 1A
DP_IN Divider2 output voltage 2.57 2.7 2.84 V
DM_IN Divider2 output voltage 1.9 2.0 2.1 V
DP_IN output impedance 8 10.5 12.5 kΩ
DM_IN output impedance 8 10.5 12.5 kΩ
CHARGING DOWNSTREAM PORT VCTL1 = VCTL2 = VCTL3 = VIN
V
DP_IN
= 0.6 V,
V
DM_SRC
DM_IN CDP output voltage 0.5 0.6 0.7 V
–250 µA < I
DM_IN
< 0 µA
DP_IN rising lower window thresholdfor
V
DAT_REF
0.25 0.4 V
V
DM_SRC
activation
Hysteresis
(1)
50 mV
DP_IN rising upper window thresholdfor
V
LGC_SRC
0.8 1 V
V
DM_SRC
de-activation
hysteresis
(1)
100 mV
I
DP_SINK
DP_IN sink current V
DP_IN
= 0.6 V 40 70 100 µA
LOAD DETECT – NON POWER WAKE VCTL1 = VCTL2 = VCTL3 = VIN
I
LD
IOUT rising load detect current threshold 635 700 765 mA
hysteresis
(1)
50 mA
t
LD_SET
Load detect set time 140 200 275 ms
Load detect reset time 1.9 3 4.2 s
LOAD DETECT – POWER WAKE VCTL1 = VCTL2 = 0V, VCTL3 = VIN
I
OS_PW
Power wake short circuit current limit 32 55 78 mA
I
OUT
falling power wake reset current
23 45 67 mA
detection threshold
Reset current hysteresis
(1)
5 mA
Power wake reset time 10.7 15 20.6 s
(1) These parameters are provided for reference only and do not constitute part of TI's published device specifications for purposes of TI's
product warranty.
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