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L9963E Scheda tecnica(PDF) 152 Page - STMicroelectronics

Il numero della parte L9963E
Spiegazioni elettronici  Automotive Multicell battery monitoring and balancing IC
PDF  184 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9963E Scheda tecnica(HTML) 152 Page - STMicroelectronics

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Figure 47. How to handle unmounted cells
L9963
VBAT
GNDREF
CGND
DGND
AGND
ISENSEp
ISENSEm
RSENSE
S2
B2_1
C1
S1
C0
RLPF
RLPF
RDIS
RDIS
CLPF
CLPF
CESD
CESD
CELL1
CELL2
C14
S4
B4_3
C3
S3
C2
RLPF
RLPF
RDIS
RDIS
CLPF
CLPF
CESD
CESD
CELL3
CELL4
S6
B6_5
C5
S5
C4
RLPF
RLPF
RDIS
RDIS
CLPF
CLPF
CESD
CESD
CELL5
CELL6
S8
B8_7
C7
S7
C6
RLPF
CESD
CELL7
CELL8
S10
B10_9
C9
S9
C8
CELL9
CELL10
S12
B12_11
C11
S11
C10
RLPF
RDIS
RDIS
CLPF
CLPF
CESD
CELL11
CELL12
S14
B14_13
C13
S13
C12
RLPF
RLPF
RDIS
RDIS
CLPF
CLPF
CESD
CESD
CELL13
CELL14
RLPF
CESD
FR_BAT
BATT_MINUS
BATT_PLUS
CISENSE_1
GND
CBAT_1
CVCOM
CVANA
RFAULTL
RBAT_DOWN
RFAULT_DOWN
FAULT_DOWN
BAT_DOWN
COPT
BATT_UP
CFLTH
DZ_FLT
RFLT_PD
FAULT_UP
ISOLp_UP ISOLm_UP
ISOHp_DOWN ISOHm_DOWN
RTERM
RTERM
GPIO9
RNTC
RVTREF
CNTC
RGPIO
GPIO8
RNTC
RVTREF
CNTC
RGPIO
GPIO7
RNTC
RVTREF
CNTC
RGPIO
GPIO6
RNTC
RVTREF
CNTC
RGPIO
GPIO5
RNTC
RVTREF
CNTC
RGPIO
GPIO4
RNTC
RVTREF
CNTC
RGPIO
GPIO3
RNTC
RVTREF
CNTC
RGPIO
CBOOT
TRANSF
TRANSF
OPT
DZBAT
CVTREF
CESD
RISENSE
RISENSE
CESD
CBAT_2
CISENSE_2
CISENSE_3
VCELL11_EN = 0
VCELL10_EN = 0
VCELL9_EN = 0
VCELL8_EN = 0
VCELL7_EN = 0
Couple of adjacent
cells (odd+even)
Remaining spare
cell (odd)
RLPF
CESD
In case BOM
components are
left mounted, then
PCB connectors
must be shorted
together (as for
the spare odd cell)
1kΩ
6.10.2
Unused GPIOs
The unused GPIOs must be connected in a proper way in order to avoid unwanted leakage.
6.10.2.1
GPIO3-9
When one pin among GPIO3 to GPIO9 is not used in application:
•
It must be shorted to GND plane (AGND is recommended)
•
It must be configured as Digital Input by user SW, in order to avoid being converted during Voltage
Conversion Routine
L9963E
Unused pins
DS13636 - Rev 12
page 152/184



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