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L9961 Datasheet(PDF) 49 Page - STMicroelectronics

No. de pieza L9961
Descripción Electrónicos  Battery management system solution
PDF  63 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9961 Datasheet(HTML) 49 Page - STMicroelectronics

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5.5
HS/LS pre-drivers circuit
Figure 20. HS/LS pre-drivers circuit
GADG220620221400SA
L9961
VSD
DCHG
CHG
VSC
P-
P+
RDCHG
RCHG
MDCHG
MCHG
LS configuration
HS configuration
L9961
P-
P+
VSD
DCHG
CHG
VSC
RDCHG
RCHG
MDCHG
MCHG
VB
P-
DR
P+
DR
Table 37. Typical HS/LS Pre-Drivers BOM
Components Value Unit
Max.
tolerance
Rating
Comments
RCHG
2
MΩ
10%
1/10 W Pull-down resistor
RDCHG
2
MΩ
10%
1/10 W Pull-down resistor
MCHG
40 V
Battery charge FET. The STL210N4F7 is suggested
MDCHG
40 V
Battery discharge FET. The STL210N4F7 is suggested
DR
40
V
Recirculation diode. It is intended to protect VSD/VSC pin by
recirculating the energy stored in the parasitic inductance of wires in
case of the discharge phase is sudden interrupted.
5.6
Fuse circuit
Figure 21. Fuse circuit
GADG220620221404SA
P+
REDUNDANT
PROTECTOR
L9961
FUSE
C5
C0
RFUSE
RFUSE_EXT
DZFUSE
MFUSE
FUSE
CFUSE
RPD
L9961
HS/LS pre-drivers circuit
DS14012 - Rev 1
page 49/63



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