Datasheet

USB or
AC Adapter
Input
System
Load
Q1
C5
bq5101x
PGND
OUT
EN1
AD
AD-EN
CHG
C4
EN2
C1
C2
C
BOOT1
C
BOOT2
AC1
AC2
COMM2
ILIM
R1
CLAMP2
C
COMM2
C
CLAMP2
COIL
BOOT1
RECT
C3
R2
NTC
VTSB
TS/CTRL
R4
D1
BOOT2
R3
CLAMP1
C
CLAMP1
C
COMM1
COMM1
HOST
3-State
Bi-State
Bi-State
bq51011
bq51013
SLVSAT9D –APRIL 2011–REVISED AUGUST 2012 www.ti.com
Figure 3. bq5101x Used as a Wireless Power Receiver and Power Supply for System Loads With Adapter
Power-Path Multiplexing
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 V
RECT
: 0V → 3V 2.6 2.7 2.8 V
Hysteresis on UVLO V
RECT
: 3V → 2V 250 mV
V
HYS
Hysteresis on OVP V
RECT
: 16V → 5V 150 mV
V
RECT
Input overvoltage threshold V
RECT
: 5V → 16V 14.5 15 15.5 V
Dynamic V
RECT
Threshold 1 I
LOAD
< 100 mA (I
LOAD
rising) 7.08
100 mA < I
LOAD
< 200 mA
Dynamic V
RECT
Threshold 2 6.28
(I
LOAD
rising)
V
RECT-REG
(1)
V
200 mA < I
LOAD
< 400 mA
Dynamic V
RECT
Threshold 3 5.53
(I
LOAD
rising)
Dynamic V
RECT
Threshold 4 I
LOAD
> 400 mA (I
LOAD
rising) 5.11
I
LOAD
Hysteresis for dynamic V
RECT
I
LOAD
I
LOAD
falling 40 mA
thresholds
Tracking V
RECT
regulation V
OUT
= 3.5 V, I
OUT
= K
ILIM
/
V
RECT-TRACK
bq51011 250 mV
above V
OUT
R
ILIM
> 250mA
Percentage of I
LIM
at which
bq51011 I
LOAD
rising 60%
V
RECT(REG)
begins to track V
OUT
I
RECT-REG
Hysteresis percentage of I
LOAD
at which V
RECT(REG)
halts bq51011 I
LOAD
falling 20%
tracking VOUT
Rectifier undervoltage protection, restricts
V
RECT-DPM
3 3.1 3.2 V
I
OUT
at V
RECT-DPM
(1) For the bq51011, V
RECT-REG
only applies when V
RECT-TRACK
is not active.
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Product Folder Links: bq51011 bq51013