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| NCN5150 Datasheet, PDF (7/12 Pages) ON Semiconductor – Wired M-BUS Slave Transceiver | |||
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NCN5150
APPLICATION SCHEMATICS
Q1
mC
CVDD
VS
VIO
VDD
TXI
TX
RX
RXI
PFb
RIS
U1
NCN5150
BUSL2
VB
BUSL1
RBUS1
TVS1
RBUS2
SC
GND
RIDD
STC
MBUS
RIS
CSC
RIDD
CSTC
Figure 5. Application Schematic with Backup External Power Supply
mC
15 kW
VSTC
2.2 kW
15 kW CVDD
U3
U2
620 W
VS
VIO
VDD
RBUS1
U1
BUSL2
TXI
NCN5150
VB TVS1
TX
BUSL1
RX
RXI
RBUS2
PFb
RIS
SC GND RIDD STC
MBUS
RIS
CSC
RIDD
CSTC
V STC
Figure 6. Optically Isolated Application Schematic
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