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L9963E Datasheet(PDF) 78 Page - STMicroelectronics |
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L9963E Datasheet(HTML) 78 Page - STMicroelectronics |
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78 / 184 page  Category Diagnostic name Condition Available in Availability type Actions SPI related fields name SPI related fields descriptio n BIST ADCV BIST Fail Failure converting internal reference connected to each input of the MUX Normal, Cyclic Wakeup Periodic or On- Demand Voltage Conversion Routine •Set Latch •Raise FAULTL •Stop balance on whole stack •Configuration override MUX_BIST _FAIL Cx pin measureme nt failure N O OPEN_BIS T_FAIL Sx and Bx_x-1 pin failure GPIO_BIST _FAIL GPIOx measureme nt failure VTREF_BI ST_FAIL Failure converting VTREF pin VBAT_DIV_ BIST_FAIL Failure converting VBAT pin BIST ADCV Cross Check Fail |VADCn – VADCn+1|> VADC_CROS S_FAIL Normal, Cyclic Wakeup Periodic or On- Demand Voltage Conversion Routine •Set Latch •Raise FAULTL •Configuration override CELLn_OP EN Fault Latch Y E S VCELLx_E N = 0 CELLn+1_ OPEN Junction Temperatu re IC Overtemper ature Tj > TSD Normal, Cyclic Wakeup Always ON •Set Latch •Raise FAULTL •Stop balance on whole stack Otchip Fault Latch N O TempChip Measureme nt Result Balance Balance Open TOPEN - TNOT_OPEN > TBAL_OL/2 refer to Balancing open load diagnostic Normal, Cyclic Wakeup Periodic or On- Demand Voltage Conversion Routine •Set Latch •Raise FAULTL •Configuration override BALx_OPE N Fault Latch Y E S VCELLx_E N = 0 Balance Balance Short IBAL > IBAL_OC for t > TBAL_OVC_ DEGLITCH Normal, Cyclic Wakeup, Silent Balancing Always ON when balance is active •Set Latch •Raise FAULTL •Stop balance on involved cell BALx_SHO RT Fault Latch Y E S VCELLx_E N = 0 Balance Balancing Secondary Timer Timeout Balancing active for t > TBAL_TIMEO UT Normal, Cyclic Wakeup Always ON when balance is active •Set Latch •Raise FAULTL •Stop balance on whole stack EoBtimeerr or Fault Latch N O BIST Balance Open/Short Comparator BIST failure Analog Comparato r monitoring PowerMOS VDS BIST Fail Normal, Cyclic Wakeup Periodic or On- Demand Voltage Conversion Routine •Set Latch •Raise FAULTL •Stop balance on involved cell BIST_BAL_ COMP_HS _FAIL Fault Latch for Even Cells Y E S VCELLx_E N = 0 BIST_BAL_ COMP_LS _FAIL Fault Latch for Odd Cells L9963E Safety and diagnostic features DS13636 - Rev 12 page 78/184 |
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