bq51010
bq51011
bq51013
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SLVSAT9B –APRIL 2011–REVISED AUGUST 2011
ELECTRICAL CHARACTERISTICS (continued)
over operating free-air temperature range, 0°C to 125°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Percentage of ILIM at which
VRECT(REG) begins to track VOUT
bq51011 ILOAD rising
60%
IRECT-REG
Hysteresis percentage of ILOAD
at which VRECT(REG) halts
tracking VOUT
bq51011 ILOAD falling
20%
Rectifier undervoltage protection, restricts
IOUT at VRECT-DPM
VRECT-DPM
VRECT-REV
3
3.1
9
3.2
8
V
V
Rectifier reverse voltage protection when a VRECT-REV = VOUT - VRECT
supply is present at VOUT
,
VOUT = 10V
Quiescent Current
ILOAD = 0mA, 0°C ≤ TJ ≤ 85°C
8
2
10
mA
mA
Active chip quiescent current consumption
from RECT
IRECT
ILOAD = 300mA, 0°C ≤ TJ ≤
85°C
2.5
Quiescent current at the output when
wireless power is disabled (Standby)
IOUT
VOUT = 5V, 0°C ≤ TJ ≤ 85°C
20
35
µA
ILIM Short Circuit
Highest value of ILIM resistor considered a
fault (short). Monitored for IOUT > 100 mA
RILIM: 200Ω → 50Ω. IOUT
latches off, cycle power to reset
RILIM
120
Ω
Deglitch time transition from ILIM short to
IOUT disable
tDGL
1
ms
ILIM-SHORT,OK enables the ILIM short
comparator when IOUT is greater than this
value
ILIM_SC
ILOAD: 0 → 200mA
90
105
125
2.4
mA
A
Maximum ILOAD that will be
delivered for 1 ms when ILIM is
shorted
IOUT
Maximum output current limit, CL
OUTPUT
ILOAD = 1000 mA
ILOAD = 1 mA
4.85
4.95
6.9
4.95
5
5
5.05
7.1
bq51011,
bq51013
VOUT-REG
Regulated output voltage
V
bq51010 ILOAD = 1 mA
ILOAD = 1A
7
VDO
KILIM
IILIM
Drop-out voltage, RECT to OUT
Current programming factor
110
300
190
mV
AΩ
mA
RLIM = KILIM / IILIM, ILOAD = 1 A
280
0.7
320
Current limit programming range
1500
OUT pin short-circuit
detection/pre-charge threshold
bq51011 VOUT: 3 V → 0.5 V, no deglitch
bq51011 VOUT: 0.5 V → 3 V
bq51011 ILOAD = IILIM
0.8
100
390
0.9
V
VOUT_SC
VOUT_SC hysteresis
mV
mA
Current limit during WPC
communication
(2)
ICOMM
365
2.1
420
25
Source current to OUT pin
during short-circuit detection
IOUT_SC
TS / CTRL
VTS
bq51011 VOUT = 0V, 0°C ≤ TJ ≤ 85°C
15
mA
ITS-Bias < 100µA (periodically
TS Bias Voltage
2.2
2.3
V
driven see tTS/CTRL-Meas)
ITS
TS-Bias Short circuit protection
Rising threshold
VTS-Bias = 0V
1
3
mA
VTS: 50% → 60%
54
56
1
58
VCOLD
Falling hysteresis
VTS: 60% → 50%
%VTS-Bias
Falling threshold
VTS: 20% → 15%
17
18
1
19
VHOT
Rising hysteresis
VTS: 15% → 20%
CTRL pin threshold for a high
CTRL pin threshold for a low
VTS/CTRL: 50 → 150mV
VTS/CTRL: 150 → 50mV
80
50
100
80
130
100
mV
mV
VCTRL
(2) Dynamic communication current limit enables the 400mA current limit only when the output current is equal to the programmed current
limit (IILIM) for the bq51011.
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