Datasheet

2010-2013 Microchip Technology Inc. DS20002230E-page 7
MCP2003/4/3A/4A
1.4 Typical Applications
EXAMPLE 1-1: TYPICAL MCP2003/2003A APPLICATION
EXAMPLE 1-2: TYPICAL MCP2004/2004A APPLICATION
LIN Bus
43V
V
BB
L
BUS
V
REN
T
XD
R
XD
V
SS
V
DD
T
XD
R
XD
+12
1.0 µF
CS
I/O
WAKE
50W
43V
1KW
+12
Master Node Only
+12
3.9 KW
Wake-up
Voltage Reg
(See Note)
Note: For applications with current requirements of less than 20 mA, the connection to +12V can be
deleted, and voltage to the regulator supplied directly from the V
REN pin.
4.7 KW
optional resistor and transient suppressor
LIN Bus
43V
V
BB
L
BUS
V
REN
T
XD
R
XD
V
SS
V
DD
T
XD
R
XD
1.0 µF
CS/WAKE
I/O
FAULT
/TXE
I/O
50W
43V
1KW
+12
Master Node Only
+12
220 KW
Wake-up
Voltage Reg
100 pF
4.7KW
ZD1
+12
optional resistor and transient suppressor