BQ27425-G2_14 Datasheet, PDF (2/35 Pages) Texas Instruments – System-Side Impedance Track™ Fuel Gauge With Integrated Sense Resistor

bq27425-G2
SLUSB23A – OCTOBER 2012 – REVISED FEBRUARY 2013
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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.
DEVICE INFORMATION
AVAILABLE OPTIONS
PART NUMBER
bq27425YZFR-G2A
bq27425YZFT-G2A
bq27425YZFR-G2B
bq27425YZFT-G2B
BATTERY
TYPE
LiCoO₂
(4.2 V max charge)
LiMn₂O₄
(4.3 - 4.35 V max charge)
FIRMWARE
CHEM_ID VERSION
(1)
(2)
0x128
0x312
2.05
(0x0205)
PACKAGE
(3)
CSP-15
COMM.
T_A FORMAT
–40°C to
85°C
I²C
TAPE and
REEL
QUANTITY
3000
250
3000
250
(1) Refer to the CHEM_ID subcommand to confirm the battery chemistry type.
(2) Refer to the FW_VERSION subcommand to confirm the firmware version.
(3) For the most current package and ordering information see the Package Option Addendum at the end of this document; or, see the TI
website at www.ti.com.
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
bq27425-G2
YZF (15-PINS)
70
17
20
1
18
n/a
UNITS
°C/W
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
2
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