Datasheet

HOST
C
4
C
3
R
4
D
1
NTC
PACK+
PACK-
bq5105x
BAT
TERM
AD
AD-EN
CHG
EN2
C
1
C
2
C
BOOT1
C
BOOT2
AC1
AC2
COMM2
CLAMP2
C
COMM2
C
CLAMP2
COIL
BOOT1
RECT
TS
BOOT2
CLAMP1
C
CLAMP1
C
COMM1
COMM1
Bi-State
R
5
Tri-State
USB or
AC Adapter
Input
C
5
Wired
Charger
PGND
ILIM
R
FOD
FOD
R
1
R
OS
bq51050B
bq51051B
www.ti.com SLUSB42D –JULY 2012–REVISED JANUARY 2014
THERMAL INFORMATION
YFP RHL
THERMAL METRIC
(1)
UNITS
28-PINS 20-PINS
θ
JA
Junction-to-ambient thermal resistance 58.9 37.7
θ
JCtop
Junction-to-case (top) thermal resistance 0.2 35.5
θ
JB
Junction-to-board thermal resistance 9.1 13.6
°C/W
ψ
JT
Junction-to-top characterization parameter 1.4 0.5
ψ
JB
Junction-to-board characterization parameter 8.9 13.5
θ
JCbot
Junction-to-case (bottom) thermal resistance n/a 2.7
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
space
RECOMMENDED OPERATING CONDITIONS
over operating free-air temperature range (unless otherwise noted)
MIN MAX UNIT
V
IN
Input voltage range RECT 4.0 10.0 V
I
IN
Input current RECT 1.5 A
I
BAT
BAT(output) current BAT 1.5 A
I
AD-EN
Sink current AD-EN 1 mA
I
COMM
COMM sink current COMM 500 mA
T
J
Junction temperature 0 125 °C
TYPICAL APPLICATION SCHEMATIC
Figure 2. bq5105x Used as a Wireless Power Receiver and Li-Ion/Li-Pol Battery Charger
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