BQ27520-G2 Datasheet, PDF (42/47 Pages) Texas Instruments – System-Side Impedance Track™ Fuel Gauge With Integrated LDO

bq27520-G2
SLUSAB7A – MARCH 2011 – REVISED AUGUST 2011
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Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Original (March 2011) to A Revision ....................................................................................................... Page
• Added text to the General Description "see Section 4.3: "MANUFACTURER INFORMATION BLOCKS" .............. 9
• Added text to the General Description "see Section 5.7 "POWER MODES" ................................................ 9
• Changed the FACTORY RESTORE section: FROM: "SOC_INT..in progress" TO: "If Operation..in progress."
......................................................................................................................................... 13
• Added row in Table 4-7: Configuration, Subclass ID: 36, Offset 13, DOD at EOC ........................................ 22
• Deleted row from Table 4-7: Configuration, Subclass ID 56 Full Reset Counter .......................................... 22
• Changed Table 4-7: Configuration 64, Offset 11 - Default Value FROM: 0x43 TO: 0x4B ................................ 23
• Changed Table 4-7: Configuration 64, Offset 12 - Default Value FROM: 0x24 TO: 0x2C ............................... 23
• Changed Table 4-7.: FROM: Configuration Subclass ID: 68 Max Res Factor TO: Gas Gauging Subclass ID:80,
Max Res Factor ..................................................................................................................... 23
• Changed Table 4-7.: FROM: Configuration Subclass ID: 68 Min Res Factor TO: Gas Gauging Subclass ID:80,
Min Res Factor ...................................................................................................................... 23
• Added row to Table 4-7. Gas Gauging, Offset 47, Term V Delta ............................................................ 23
• Added row to Table 4-7. Gas Gauging, Offset 50, ResRelax Time .......................................................... 23
• Changed in Table 4-7, Gas Gauging, FROM: Offset 50 through 60 TO: 54 through 72. ................................. 23
• Added row to Table 4-7. Gas Gauging, Offset 74, Max Res Scale .......................................................... 23
• Added row to Table 4-7. Gas Gauging, Offset 76, Min Res Scale ........................................................... 23
• Added row to Table 4-7. Gas Gauging, Offset 78, Fast Scale Start SOC .................................................. 23
• Added row to Table 4-7. Gas Gauging, Offset 24, T Rise .................................................................... 24
• Added row to Table 4-7. Gas Gauging, Offset 26, T Time Constant ........................................................ 24
• Changed Table 4-7: Calibration 104, Offset 8 - Default Value FROM: -0.088 TO: -0.58 ................................. 24
• Added row to Table 5-6: "Factory Restore." .................................................................................... 31
42
REFERENCE SCHEMATICS
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