BQ24273 Datasheet, PDF (2/27 Pages) Texas Instruments – 2.5A, Single Input, Single Cell Switchmode Li-Ion Battery Charger with Integrated Current Sense

bq24273
SLUSB08 – JUNE 2012
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
PART NUMBER
bq24273YFFR
bq24273YFFT
OVP
10.5 V
10.5 V
ORDERING INFORMATION
NTC MONITORING
(TS)
JEITA COMPATIBLE
Yes
Yes
Yes
Yes
PACKAGE
WCSP
WCSP
ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature range (unless otherwise noted)⁽¹⁾
IN
Pin voltage range (with
respect to VSS)
BYP, PMID, BOOT
SW
CS+, BAT, BGATE, DRV, STAT, INT, SDA, SCL, CD,TS
BOOT to SW
Output Current (Continuous) SW
Input Current (Continuous)
IN
Output Sink Current
STAT, INT
Operating free-air temperature range
Junction temperature, T_J
Storage temperature, T_STG
Lead temperature (soldering, 10 s)
MIN
MAX UNIT
–2
20 V
–0.3
20 V
–0.7
12 V
–0.3
7V
–0.3
7V
4.5 A
2.75 A
10 mA
–40
85 °C
–40
125 °C
–65
150 °C
300 °C
(1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating
conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. All voltage
values are with respect to the network ground terminal unless otherwise noted.
THERMAL INFORMATION
THERMAL METRIC⁽¹⁾
θ_JA
θ_JCtop
θ_JB
ψ_JT
ψ_JB
θ_JCbot
Junction-to-ambient thermal resistance
Junction-to-case (top) thermal resistance
Junction-to-board thermal resistance
Junction-to-top characterization parameter
Junction-to-board characterization parameter
Junction-to-case (bottom) thermal resistance
bq24273
49 PINS (YFF)
49.8
0.2
1.1
1.1
6.6
n/a
UNITS
°C/W
spacer
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
2
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