MCP2003/4
LIN J2602 Transceiver
Features Description
The MCP2003 and MCP2004 are compliant with This device provides a bidirectional, half-duplex
LIN Bus Specifications 1.3, 2.0 and 2.1 and are communication physical interface to automotive and
compliant to SAE J2602 industrial LIN systems to meet the LIN bus specification
Revision 2.1 and SAE J2602. The device is short circuit
Support Baud Rates up to 20 Kbaud with
and overtemperature protected by internal circuitry.
LIN-compatible output driver
The device has been specifically designed to operate in
43V load dump protected
the automotive operating environment and will survive
Very low EMI meets stringent OEM requirements
all specified transient conditions while meeting all of the
Very high ESD immunity:
stringent quiescent current requirements.
- >20kV on VBB (IEC 61000-4-2)
MCP200X family members:
- >14kV on LBUS (IEC 61000-4-2)
8-pin PDIP, DFN and SOIC packages:
Very high immunity to RF disturbances meets
- MCP2003, LIN-compatible driver, with WAKE
stringent OEM requirements
pins
Wide supply voltage, 6.0V-27.0V continuous
- MCP2004, LIN-compatible driver, with
Extended Temperature Range: -40 to +125C
FAULT/TXE pins
Interface to PIC MCU EUSART and standard
USARTs
Package Types
Local Interconnect Network (LIN) bus pin:
- Internal pull-up resistor and diode MCP2003
MCP2004
PDIP, SOIC
PDIP, SOIC
- Protected against battery shorts
- Protected against loss of ground
RXD VREN
1 8 RXD VREN
1 8
- High current drive
CS VBB
2 7 CS VBB
2 7
Automatic thermal shutdown
WAKE 3 6 LBUS
FAULT/TXE 3 6 LBUS
Low-power mode: 4 5
TXD VSS 4 5
TXD VSS
- Receiver monitoring bus and transmitter off,
( 5A)
MCP2004
MCP2003
4x4 DFN*
4x4 DFN*
RXD 1 8 VREN
RXD 1 8 VREN
CS VBB
CS VBB 2 7
2 7 EP
EP
9
9
FAULT/TXE 3 6 LBUS
WAKE LBUS
3 6
TXD 4 5 VSS
TXD 4 5 VSS
* Includes Exposed Thermal Pad (EP); see Table 1-1.
2010 Microchip Technology Inc. DS22230A-page 1MCP2003/4
MCP2003 Block Diagram
VREN
VBB
Ratiometric
Reference
Wake-Up
WAKE
Logic and
Power Control
RXD
CS
~30 k
TXD LBUS
OC
VSS
Thermal
Short Circuit
Protection Protection
MCP2004 Block Diagram
VREN
VBB
Ratiometric
Reference
Wake-Up
Logic and
Power Control
RXD
CS
~30 k
LBUS
TXD OC
FAULT/TXE
VSS
Thermal Short Circuit
Protection Protection
DS22230A-page 2 2010 Microchip Technology Inc.