参数资料
型号: MCP2021AT-330E/MD
厂商: Microchip Technology
文件页数: 4/48页
文件大小: 0K
描述: IC TXRX LIN 3.3V LDO 8-DFN
产品培训模块: Microchip MCP20xx LIN Transceiver Overview
标准包装: 3,300
系列: *
MCP2021A/2A
DS22298A-page 12
2012 Microchip Technology Inc.
1.6
Typical Applications
FIGURE 1-9:
TYPICAL APPLICATION CIRCUIT
FIGURE 1-10:
TYPICAL LIN NETWORK CONFIGURATION
LIN Bus
43V (4)
VBB
LBUS
VREG
TXD
RXD
VSS
VDD
TXD
RXD
C
VBAT
CBAT
CREG
CS/LWAKE
I/O
FAULT/TXE
I/O
43V (5)
1K
VBB
Master Node Only
VBAT
10 k
WAKE-UP
Note 1: CREG, the load capacitor, should be ceramic or tantalum rated for extended temperatures, 1.0-
22 F. See Figure 2-1 for selecting the correct ESR.
2: CBAT is the filter capacitor for the external voltage supply. Typically 10 * CREG, with no ESR
restriction. See Figure 1-8 to select the minimum recommended value for CBAT. The RTP value is
added to the line resistance.
3: This diode is only needed if CS/LWAKE is connected to VBAT supply.
4: Transient suppressor diode. Vclamp L = 43V.
5: This component is for additional load dump protection.
(3)
Rtp
RESET
VSS
I/O
LIN bus
MCP202XA
Master
C
1k
VBB
Slave 1
C
Slave 2
C
Slave n <16
C
40m
+ Return
LIN bus
MCP205X
LIN bus
MCP202XA
LIN bus
MCP2003
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