admin 发表于 2010-4-17 18:23:13

MCP2021/2 Datasheet

http://www.microchip.com/stellent/images/mchpsiteimages/dwnfolder.gifMCP202X LIN Transceiver with Voltage Regulator Datasheet


The MCP2021 provides a bidirectional, half-duplex communication physical interface to an automotive and industrial Local Interconnect (LIN) and SAE J2602 bus. Operation covers LIN Bus Specification Versions 1.3, 2.0, 2.1 and SAE J2602. The device incorporates a voltage regulator with 5V/50mA or 3.3V/50mA output. The regulator is short-circuit protected and also includes thermal shutdown. The regulator has been specifically designed to operate in the automotive environment and will survive reverse battery conditions, +43V load dump transients and double-battery jump starts. The device has been designed to meet the stringent quiescent current requirements of the automotive industry. The devices' very low emissions, excellent robustness to automotive transients and very high ESD robustness have been confirmed by independent test authorities.
Parameter NameValue
DescriptionLIN Transceiver with integrated Vreg
Vreg Output Voltage Options (V)3.3 - 5
Vreg Output Current (mA)50
Max. Baud Rate (kBaud)20
Vcc Range (V)5.5 to 18

   Features
Physical Layer Transceiver interface to support LIN Bus Specifications Version 1.3, 2.0, 2.1 and SAE J2602
LIN Bus pin with internal pull-up resistor and diode protect against ground shorts and loss of ground
Wake Up through LIN Bus activity (filtered) or LWAKE pin
Thermal shutdown protection
Built-in Voltage Regulator with wide operating voltage range up to 30V and regulation range from 5.5V to 18V
Load dump protection up to 43V
MCP2021 available in 8-pin DPIP, SOIC and DFN packages
   -MCP2021-330 with 3.3V regulator
   -MCP2021-500 with 5V regulator
Extended temperature range: -40°C to +125°C
Automotive Qualification
Also see:
LIN Software Libraries


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