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L6491 Datasheet(PDF) 17 Page - STMicroelectronics

Part # L6491
Description  Power supply unit
PDF  24 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6491 Datasheet(HTML) 17 Page - STMicroelectronics

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DocID024832 Rev 1
17/24
L6491
Typical application diagram
24
8
Typical application diagram
Figure 7. Typical application diagram
Figure 8. Suggested PCB layout
LEVEL
SHIFTER
BOOTSTRAP DRIVER
VCC
LVG
DRIVER
HIN
HVG
DRIVER
HVG
OUT
LVG
BOOT
SGND
DT
DEAD
TIME
LOGIC
SHOOT
THROUGH
PREVENTION
FLOATING STRUCTURE
COMPARATOR
CP+
1
2
10
14
6
PGND
7
5
3
4
9
LIN
VCC
5V
+
-
SD/OD
CP-
8
12
13
H.V.
TO LOAD
Cboot
VCC
+
FROM CONTROLLER
FROM CONTROLLER
FROM/TO
CONTROLLER
SMART
SD
PGND
VCC
Rg
Rg
System power ground
CVCC1
CVCC2
CSD
RSD
RDT
CDT
Cfilt
Rfilt
Cfilt
Rfilt
Rp2
Rp1
RLP
Rshunt
CLP
Cp2
Vpu
Vpu
5V
CBOOT
Rshunt
CVCC1
RDT
VCC
POWER GROUND
CDT
uC Signal GROUND
TOP layer
BOTTOM layer
Rg
CVCC2
Rp1
Rfilt
CSD
RSD
Vpu
HIN
LIN
SD/OD
Cfilt
Cfilt
Rfilt
Vpu
Rp2
RLP
CLP
Cp2



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