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L9963E Datasheet(PDF) 77 Page - STMicroelectronics

Part # L9963E
Description  Automotive Multicell battery monitoring and balancing IC
PDF  184 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9963E Datasheet(HTML) 77 Page - STMicroelectronics

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Category
Diagnostic
name
Condition
Available
in
Availability type
Actions
SPI related
fields
name
SPI related
fields
descriptio
n
Battery
Stack
Sum Of
Cells OV
VBATT_SUM
>
VBATT_OV_S
UM
Normal,
Cyclic
Wakeup
Periodic or On-
Demand
Voltage
Conversion
Routine
•Set Latch
•Raise FAULTL
•Configuration
override
VSUM_OV
N
O
Fault Latch
VBATT_SU
M_OV_TH
OV
threshold
Battery
Stack
VBAT
Critical UV
VBATT_MONI
TOR <
VBATT_CRITI
CAL_UV_TH
Normal,
Cyclic
Wakeup
Periodic or On-
Demand
Voltage
Conversion
Routine
•Set Latch
•Raise FAULTL
•Stop balance on
whole stack
•Configuration
override
VBATTCRI
T_UV
Fault Latch
N
O
Battery
Stack
VBAT
Critical OV
VBATT_MONI
TOR >
VBATT_CRITI
CAL_OV_TH
Normal,
Cyclic
Wakeup
Periodic or On-
Demand
Voltage
Conversion
Routine
•Set Latch
•Raise FAULTL
•Configuration
override
VBATTCRI
T_OV
Fault Latch
N
O
Battery
Stack
VBAT UV
Warning
VBAT <
VBAT_UV_W
ARNING for t
>
TVBAT_FILT
Normal,
Cyclic
Wakeup
Always ON
•Set Latch
•Raise FAULTL
VBATT_W
RN_UV
Fault Latch
N
O
BIST
VBAT UV
Comparator
BIST failure
VBAT
Undervolta
ge Analog
Comparato
r BIST Fail
Normal,
Cyclic
Wakeup
Periodic or On-
Demand
Voltage
Conversion
Routine
•Set Latch
•Raise FAULTL
VBAT_CO
MP_BIST_
FAIL
Fault Latch
N
O
Battery
Stack
VBAT OV
Warning
VBAT >
VBAT_OV_W
ARNING for t
>
TVBAT_FILT
Normal,
Cyclic
Wakeup
Always ON
•Set Latch
•Raise FAULTL
VBATT_W
RN_OV
Fault Latch
N
O
BIST
VBAT OV
Comparator
BIST failure
VBAT
Overvoltag
e Analog
Comparato
r BIST Fail
Normal,
Cyclic
Wakeup
Periodic or On-
Demand
Voltage
Conversion
Routine
•Set Latch
•Raise FAULTL
VBAT_CO
MP_BIST_
FAIL
Fault Latch
N
O
Cells
Cell Open
VCx_SERIES
_DROP >
VCxOPEN
Normal,
Cyclic
Wakeup
Periodic or On-
Demand
Voltage
Conversion
Routine
•Set Latch
•Raise FAULTL
•Configuration
override
CELLx_OP
EN
Fault Latch
Y
E
S
VCELLx_E
N = 0
L9963E
Safety and diagnostic features
DS13636 - Rev 12
page 77/184



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