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L9963E 数据表(PDF) 78 Page - STMicroelectronics

部件名 L9963E
功能描述  Automotive Multicell battery monitoring and balancing IC
PDF  184 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L9963E 数据表(HTML) 78 Page - STMicroelectronics

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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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