Datasheet

bq51011
bq51013
www.ti.com SLVSAT9D –APRIL 2011–REVISED AUGUST 2012
ELECTRICAL CHARACTERISTICS (continued)
over operating free-air temperature range, 0°C to 125°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Rectifier reverse voltage protection when a V
RECT-REV
= V
OUT
- V
RECT
,
V
RECT-REV
9 8 V
supply is present at V
OUT
V
OUT
= 10V
Quiescent Current
I
LOAD
= 0mA, 0°C ≤ T
J
≤ 85°C 8 10 mA
Active chip quiescent current consumption
I
RECT
I
LOAD
= 300mA, 0°C ≤ T
J
≤
from RECT
2 2.5 mA
85°C
Quiescent current at the output when
I
OUT
V
OUT
= 5V, 0°C ≤ T
J
≤ 85°C 20 35 µA
wireless power is disabled (Standby)
I
LIM
Short Circuit
Highest value of I
LIM
resistor considered a R
ILIM
: 200Ω → 50Ω. I
OUT
R
ILIM
120 Ω
fault (short). Monitored for I
OUT
> 100 mA latches off, cycle power to reset
Deglitch time transition from I
LIM
short to
t
DGL
1 ms
I
OUT
disable
I
LIM-SHORT,OK
enables the I
LIM
short
I
LIM_SC
comparator when I
OUT
is greater than this I
LOAD
: 0 → 200mA 90 105 125 mA
value
Maximum I
LOAD
that will be
I
OUT
Maximum output current limit, C
L
delivered for 1 ms when I
LIM
is 2.4 A
shorted
OUTPUT
I
LOAD
= 1000 mA 4.85 4.95 5
V
OUT-REG
Regulated output voltage V
I
LOAD
= 1 mA 4.95 5 5.05
V
DO
Drop-out voltage, RECT to OUT I
LOAD
= 1A 110 190 mV
K
ILIM
Current programming factor R
LIM
= K
ILIM
/ I
ILIM
, I
LOAD
= 1 A 280 300 320 AΩ
I
ILIM
Current limit programming range 1500 mA
OUT pin short-circuit
bq51011 V
OUT
: 3 V → 0.5 V, no deglitch 0.7 0.8 0.9 V
detection/pre-charge threshold
V
OUT_SC
V
OUT_SC
hysteresis bq51011 V
OUT
: 0.5 V → 3 V 100 mV
Current limit during WPC
I
COMM
(2)
bq51011 I
LOAD
= I
ILIM
365 390 420 mA
communication
Source current to OUT pin
I
OUT_SC
bq51011 V
OUT
= 0V, 0°C ≤ T
J
≤ 85°C 15 25 mA
during short-circuit detection
TS / CTRL
I
TS-Bias
< 100µA (periodically
V
TS
TS Bias Voltage 2.1 2.2 2.3 V
driven see t
TS
/CTRL-Meas)
I
TS
TS-Bias Short circuit protection V
TS-Bias
= 0V 1 3 mA
Rising threshold V
TS
: 50% → 60% 54 56 58
V
COLD
Falling hysteresis V
TS
: 60% → 50% 1
%V
TS-Bias
Falling threshold V
TS
: 20% → 15% 17 18 19
V
HOT
Rising hysteresis V
TS
: 15% → 20% 1
CTRL pin threshold for a high V
TS/CTRL
: 50 → 150mV 80 100 130 mV
V
CTRL
CTRL pin threshold for a low V
TS/CTRL
: 150 → 50mV 50 80 100 mV
Time VTS-Bias is active when TS Synchronous to the
t
TS/CTRL
24 ms
measurements occur communication period
t
TS
Deglitch time for all TS comparators 10 ms
THERMAL PROTECTION
Thermal shutdown temperature 155 °C
T
J
Thermal shutdown hysteresis 20 °C
(2) Dynamic communication current limit enables the 400mA current limit only when the output current is equal to the programmed current
limit (I
ILIM
) for the bq51011.
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