MCP2021 datasheet(1/46 Pages) MICROCHIP

部件名	MCP2021

功能描述	LIN Transceiver with Voltage Regulator

PDF	46 Pages

Scroll/Zoom	100%

制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

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1 / 46 page

DS22018E-page 1

MCP2021/2

Features

• The MCP2021 and MCP2022 are compliant with

LIN Bus Specifications 1.3, 2.0, and 2.1 and are

compliant to SAE J2602

• Support Baud Rates up to 20 Kbaud with

LIN-compatible output driver

• 43V load dump protected

• Very low EMI meets stringent OEM requirements

• Wide supply voltage, 6.0V - 18.0V continuous:

- Maximum input voltage of 30V

• Extended Temperature Range: -40 to +125°C

• Interface to PIC EUSART and standard USARTs

• Local Interconnect Network (LIN) bus pin:

- Internal pull-up resistor and diode

- Protected against ground shorts

- Protected against loss of ground

- High current drive

• Automatic thermal shutdown

• On-Board Voltage Regulator:

- Output voltage of 5.0V with tolerances of

±3% overtemperature range

- Available with alternate output voltage of

3.3V with tolerances of ±3% overtemperature

range

- Maximum continuous input voltage of 30V

- Internal thermal overload protection

- Internal short circuit current limit

- External components limited to filter

capacitor only and load capacitor

• Two low-power modes:

- Receiver on, Transmitter off, voltage

regulator on (

≅ 85 µA)

- Receiver monitoring bus, Transmitter off,

voltage regulator off (

≅ 16 µA)

Description

The MCP2021/2 provides a bidirectional, half-duplex

communication physical interface to automotive, and

industrial LIN systems to meet the LIN bus specification

Revision 2.0. The device incorporates a voltage

regulator with 5V @ 50 mA or 3.3V @ 50 mA regulated

power supply output. The regulator is short circuit

protected, and is protected by an internal thermal shut-

down circuit. The regulator has been specifically

designed to operate in the automotive environment and

will survive reverse battery connections, +43V load

dump transients, and double-battery jumps. The device

has been designed to meet the stringent quiescent

current requirements of the automotive industry.

MCP2021/2 family members:

• 8-pin PDIP, DFN and SOIC packages:

- MCP2021-330, LIN-compatible driver,

8-pin, 3.3V regulator

- MCP2021-500, LIN-compatible driver,

8-pin, 5.0V regulator

• 14-lead PDIP, TSSOP and SOIC packages with

RESET output:

- MCP2022-330, LIN-compatible driver,

14-pin, 3.3V regulator

- MCP2022-500, LIN-compatible driver,

14-pin, 5.0V regulator

Package Types

DFN-8, PDIP-8, SOIC-8

1

2

3

4

8

7

6

5

PDIP-14, SOIC-14, TSSOP-14

1

2

3

4

14

13

12

11

10

9

8

5

6

7

RXD

CS/LWAKE

VREG

TXD

FAULT/TXE

VBB

LBUS

VSS

RXD

CS/LWAKE

VREG

TXD

RESET

NC

FAULT/TXE

VBB

LBUS

VSS

NC

LIN Transceiver with Voltage Regulator

类似零件编号 - MCP2021

制造商	部件名	数据表	功能描述
Microchip Technology	MCP2021	1Mb / 52P	LIN Transceiver with Voltage Regulator 2005-2012
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	MCP2021-330E-SN	1Mb / 52P	LIN Transceiver with Voltage Regulator 2005-2012
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类似说明 - MCP2021

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