MCP2021-500E/SL MICROCHIP [Microchip Technology], MCP2021-500E/SL Datasheet - Page 6

• Manufacturer Part Number: MCP2021-500E/SL
• Description: LIN Transceiver with Voltage Regulator
• Manufacturer: MICROCHIP [Microchip Technology]

MCP2021/2
EXAMPLE 1-2:
DS22018E-page 6
Note 1: See
2: C
3: This diode is only needed if CS/LWAKE is connected to 12V supply.
4: Transient suppressor diode. Vclamp L = 43V.
5: These components are required for additional load dump protection above 43V.
6: Required if CPU does not have internal pullup.
F
is the filter capacitor for the external voltage supply.
Figure 2-3
RXD
TXD
V
INT
TYPICAL MCP2022 APPLICATION
I/O
I/O
DD
WAKE-UP
220 kΩ
for correct capacity and ESR for stable operation.
(3)
+12
100 nF
V
DD
(6)
C
G
RESET
V
TXD
RXD
CS/LWAKE
FAULT/TXE
REG
V
43V
SS
(5)
+12
V
L
BB
BUS
R
TP
C
(5)
F
Master Node Only
1 kΩ
© 2009 Microchip Technology Inc.
+12
27V
(4)
LIN Bus