BQ27441-G1 Datasheet, PDF (2/22 Pages) Texas Instruments – System-Side Impedance Track Fuel Gauge

bq27441-G1
SLUSBH1A – NOVEMBER 2013 – REVISED JANUARY 2014
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.
DEVICE INFORMATION
AVAILABLE OPTIONS
PART NUMBER
bq27441DRZR-G1A
bq27441DRZT-G1A
bq27441DRZR-G1B
bq27441DRZT-G1B
BATTERY
TYPE
LiCoO₂
(4.2 V max charge)
LiMn₂O₄
(4.3 - 4.35 V max charge)
CHEM_ID ⁽¹⁾ DM_CODE ⁽²⁾
0x0128
0x48
0x0312
0x58
FIRMWARE
VERSION ⁽³⁾
1.09
(0x0109)
PACKAGE ⁽⁴⁾
12-pin,
2.5 × 4 mm
SON
(1) See the CHEM_ID subcommand to confirm the battery chemistry type.
(2) See the DM_CODE subcommand to confirm the Data Memory code.
(3) See the FW_VERSION subcommand to confirm the firmware version.
(4) 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
θ_JA
θ_JCtop
θ_JB
ψ_JT
ψ_JB
θ_JCbot
THERMAL METRIC⁽¹⁾
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
bq27441-G1
DRZ (12-PINS)
64.1
59.8
52.7
0.3
28.3
2.4
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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