MCP201-E Datasheet, PDF (6/40 Pages) Microchip Technology – LIN Transceiver with Voltage Regulator

MCP201
1.4 Typical Applications
FIGURE 1-2:
TYPICAL MCP201 APPLICATION^(1,2)
+12V
10 kΩ
WAKE-UP
CG
+12V
Optional components⁽⁵⁾
27V
CF ^{Master Node Only}
10 uF
+12V
VDD
TXD
PIC^®
MCU RXD
+5V
VREG
VBAT
TXD
MCP201
RXD
LIN
I/O
D1⁽³⁾
I/O
CS/WAKE
FAULT/SLPS
1 kΩ
LIN bus
D2⁽⁴⁾
24V
Optional components
VSS
VSS
100 kΩ
VREG or VSS
Note 1: The load capacitor, CG, should be a ceramic or tantalum rated for extended temperatures and be in
the range of 1.0 - 22 µF with an ESR 0.4Ω - 5Ω.
2: CF if the filter capacitor for the external voltage supply.
3: This diode is only needed if CS/WAKE is connected to 12V supply.
4: Transient suppressor diode. Vclamp L = 40V.
5: These components are for load dump protection.
FIGURE 1-3:
TYPICAL LIN NETWORK CONFIGURATION
40m
+ Return
VBAT
1 kΩ
LIN bus
MCP201
Master
µC
LIN bus
MCP201
Slave 1
µC
LIN bus
MCP201
Slave 2
µC
LIN bus
LIN bus
MCP201
Slave n <16
µC
DS21730F-page 6
© 2007 Microchip Technology Inc.