bq51050B
bq51051B
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SLUSB42C –JULY 2012–REVISED FEBRUARY 2013
THERMAL INFORMATION
YFP
28-PINS
58.9
0.2
RHL
20-PINS
37.7
THERMAL METRIC(1)
UNITS
θJA
Junction-to-ambient thermal resistance
Junction-to-case (top) thermal resistance
Junction-to-board thermal resistance
θJCtop
θJB
35.5
9.1
13.6
°C/W
ψJT
Junction-to-top characterization parameter
Junction-to-board characterization parameter
Junction-to-case (bottom) thermal resistance
1.4
0.5
ψJB
8.9
13.5
θJCbot
n/a
2.7
space
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
RECOMMENDED OPERATING CONDITIONS
over operating free-air temperature range (unless otherwise noted)
MIN
MAX UNIT
VIN
Input voltage range
Input current
RECT
RECT
BAT
4.0
10.0
1.5
1.5
1
V
A
IIN
IBAT
IAD-EN
ICOMM
TJ
BAT(output) current
Sink current
A
AD-EN
COMM
mA
mA
°C
COMM sink current
Junction temperature
500
125
0
TYPICAL APPLICATION SCHEMATIC
Wired
Charger
bq5105x
AD-EN
AD
BAT
CCOMM1
CBOOT1
C4
COMM1
BOOT1
AC1
USB or
AC Adapter
Input
D1
RECT
C1
R4
C3
C5
PACK+
COIL
C2
NTC
TS
AC2
ROS
BOOT2
COMM2
PACK-
CBOOT2
CHG
CCOMM2
CCLAMP2
CCLAMP1
CLAMP2
CLAMP1
ILIM
TERM
EN2
Tri-State
Bi-State
HOST
R5
PGND
FOD
R1
RFOD
Figure 2. bq5105x Used as a Wireless Power Receiver and Li-Ion/Li-Pol Battery Charger
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