Moteur de recherche de fiches techniques de composants électroniques |
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BQ2084 Fiches technique(PDF) 59 Page - Texas Instruments |
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BQ2084 Fiches technique(HTML) 59 Page - Texas Instruments |
59 / 63 page 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. |
Numéro de pièce similaire - BQ2084 |
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Description similaire - BQ2084 |
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