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BQ51014 Datasheet(PDF) 6 Page - Texas Instruments

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Part # BQ51014
Description  INTEGRATED WIRELESS POWER SUPPLY RECEIVER
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

BQ51014 Datasheet(HTML) 6 Page - Texas Instruments

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bq51013A
bq51014
SLUSAY6A – MARCH 2012 – REVISED JUNE 2012
www.ti.com
ELECTRICAL CHARACTERISTICS
over operating free-air temperature range, 0°C to 125°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
UVLO
Undervoltage lock-out
VRECT: 0V → 3V
2.6
2.7
2.8
V
Hysteresis on UVLO
VRECT: 3V → 2V
250
mV
VHYS
Hysteresis on OVP
VRECT: 16V → 5V
150
mV
VRECT
Input overvoltage threshold
VRECT: 5V → 16V
14.5
15
15.5
V
Dynamic VRECT Threshold 1
ILOAD < 0.1 x IILIM (ILOAD rising)
7.08
0.1 x IILIM < ILOAD < 0.2 x IILIM
Dynamic VRECT Threshold 2
6.28
(ILOAD rising)
VRECT-REG
V
0.2 x IILIM < ILOAD < 0.4 x IILIM
Dynamic VRECT Threshold 3
5.53
(ILOAD rising)
Dynamic VRECT Threshold 4
ILOAD > 0.4 x IILIM (ILOAD rising)
5.11
ILOAD Hysteresis for dynamic VRECT
ILOAD
ILOAD falling
4%
thresholds as a % of IILIM
Rectifier undervoltage protection, restricts
VRECT-DPM
3
3.1
3.2
V
IOUT at VRECT-DPM
Rectifier reverse voltage protection at the
VRECT-REV = VOUT - VRECT,
VRECT-REV
8
9
V
output
VOUT = 10V
Quiescent Current
ILOAD = 0 mA, 0°C ≤ TJ ≤ 85°C
8
10
mA
Active chip quiescent current consumption
IRECT
ILOAD = 300 mA, 0°C ≤ TJ
from RECT
2
3.0
mA
85°C
Quiescent current at the output when
IOUT
VOUT = 5 V, 0°C ≤ TJ ≤ 85°C
20
35
µA
wireless power is disabled (Standby)
ILIM Short Circuit
Highest value of ILIM resistor considered a
RILIM: 200Ω → 50Ω. IOUT
RILIM
120
Ω
fault (short). Monitored for IOUT > 100 mA
latches off, cycle power to reset
Deglitch time transition from ILIM short to
tDGL
1
ms
IOUT disable
ILIM-SHORT,OK enables the ILIM short
comparator when IOUT is greater than this
ILOAD: 0 → 20 0mA
120
145
165
mA
ILIM_SC
value
Hysteresis for ILIM-SHORT,OK comparator
ILOAD: 0 → 200 mA
30
mA
Maximum ILOAD that will be
IOUT
Maximum output current limit, CL
delivered for 1 ms when ILIM is
2.4
A
shorted
OUTPUT
ILOAD = 1000 mA
4.85
4.95
5
VOUT-REG
Regulated output voltage
V
ILOAD = 10 mA
4.95
5
5.05
RLIM = KILIM / IILIM, where IILIM is
A
Ω
Current programming factor for hardware
KILIM
the hardware current limit. IOUT
280
300
320
short circuit protection
= 1 A
IIMAX = KIMAX / RLIM where IMAX
A
Ω
Current programming factor for the nominal is the maximum normal
KIMAX
230
250
270
operating current
operating current.
IOUT = 1 A
IOUT
Current limit programming range
1500
mA
IOUT > 300 mA
IOUT + 50
mA
ICOMM
Current limit during WPC communication
IOUT < 300 mA
365
390
420
mA
Hold off time for the communication current
tHOLD
1
s
limit during startup
6
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Copyright © 2012, Texas Instruments Incorporated
Product Folder Link(s): bq51013A bq51014


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