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BQ2084 Fiches technique(PDF) 59 Page - Texas Instruments

No de pièce BQ2084
Description  SBS v1.1 COMPLIANT GAS GAUGE FOR USE WITH THE BQ29312
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
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BQ2084 Fiches technique(HTML) 59 Page - Texas Instruments

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bq2084
SLUS550C − DECEMBER 2002 − REVISED JULY 2004
www.ti.com
59
Charge Suspend Temp High Reset
Charge Suspend Temp High Reset DF 0x6f−0x70 sets the temperature, in degrees C/10, at which the pack
recovers from Charge Suspend Temp High fault.
Over Temperature Discharge
Over Temperature Discharge DF 0x71−0x72 sets the highest temperature, in degrees C/10, at which
discharging will be allowed. If the pack exceeds this temperature, charge and discharge FETs are turned off,
and MAC status is set to system present. The pack returns to normal operation when the temperature falls
below Over Temperature Discharge Reset, or if the pack is removed.
Over Temperature Discharge Reset
Over Temperature Discharge Reset DF 0x73−0x74 sets the temperature, in degrees C/10, at which the pack
will recover from Over Temperature Discharge.
Failure Detection Thresholds
Safety OverTemperature Charge
Safety OverTemperature Charge DF 0x75−0x76 sets the temperature, in degrees C/10, above which, during
charging, the pack enters permanent failure, if the XSOTC bit in Permanent Failure Configuration is set.
Safety OverTemperature Discharge
Safety OverTemperature Discharge DF 0x77−0x78 sets the temperature, in degrees C/10, above which,
during discharging, the pack enters permanent failure, if the XSOTD bit in Permanent Failure Configuration
is set.
Charge Detection Current
Charge Detection Current DF 0x113−0x114 sets the threshold in milliamperes for detecting charge current.
This is a signed value and is positive. This threshold is used for detecting cross-conduction, and ensuring that
charge termination is not improperly detected due to loss of charging current.
Discharge Detection Current
Discharge Detection Current DF 0x115−0x116 sets the threshold in milliamperes for detecting discharge
current. This is a signed value and is negative. This threshold is used for detecting cross-conduction and
determining that the charge FET should be turned on during discharge to reduce IR losses.
FET Fail Charge Current
FET Fail Charge Current DF 0x125−0x126 sets the threshold in milliamperes for detecting current in a charge
FET which is turned off. This is a signed value and is positive.
FET Fail Discharge Current
FET Fail Discharge Current DF 0x127−0x128 sets the threshold in milliamperes for detecting current in a
discharge FET which is turned off. This is a signed value and is negative.
FET Fail Time
FET Fail Time DF 0x129 sets the time in seconds that current must be detected in a FET which is turned off,
in order to determine that the FET has failed.
Terminate Voltage
Terminate Voltage DF 0x67−0x68, sets the threshold below which the Terminate Discharge Alarm is set. The
alarm is cleared when the voltage rises above this threshold, if the CVUV bit in Pack Status is not set.


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