Datasheet > MCP2050-E/P

MCP2050-E/P

更新时间： 2024-11-30 00:58:07

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
40页	1281K
描述
LIN Transceiver with Voltage Regulator

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MCP2050-E/P 数据手册

MCP2050

LIN Transceiver with Voltage Regulator

• Meets Stringent Automotive Design Requirements

Including “OEM Hardware Requirements for LIN,

CAN and FlexRay Interfaces in Automotive

Applications”, Version 1.3, May 2012

Features:

• The MCP2050 is compliant with:

- LIN Bus Specifications Version 1.3, 2.1 and

with SAE J2602-2

• Support Baud Rates Up to 20 kBaud

• 43V Load Dump Protected

• Multiple Package Options Including Small 5x5

QFN

• Maximum Continuous Input Voltage of 30V

• Wide LIN Compliant Supply Voltage, 6.0-18.0V

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

• Interface to PIC^®EUSART and Standard USARTs

• Wake-Up on LIN Bus Activity or Local Wake Input

Description:

The MCP2050 provides a bidirectional, half-duplex

communication physical interface to meet the LIN bus

specification Revision 2.1 and SAE J2602. The device

incorporates a voltage regulator with 5V or 3.3V 70 mA

regulated power supply output. The on-chip WWDT

allows users to adjust the size of the reset window by

using an external resistor. The ratiometric VBAT pin

scales down VBAT to the range of VREG so it can be

monitored by an A/D converter.

• LIN Bus Pin

- Internal pull-up termination resistor and diode

for slave node

- Protected against VBAT shorts

- Protected against loss of ground

- High current drive

The device has been designed to meet the stringent

quiescent current requirements of the automotive

industry and will survive +43V load dump transients,

and double battery jumps.

• TXD and LIN Bus Dominant Time-Out Function

• Two Low-Power Modes

- Transmitter Off mode: 90 µA (typical)

- Power Down mode: 4.5 µA (typical)

MCP2050 family members:

• Output Indicating Internal Reset State (POR or

Sleep Wake)

- MCP2050-500, 14-pin, LIN driver with 5.0V

regulator

• MCP2050 On-Chip Voltage Regulator

- MCP2050-330, 14-pin, LIN driver with 3.3V

regulator

- Output voltage of 5.0V or 3.3V with 70 mA

capability and tolerances of ±3% over

operating temperature range

- MCP2050-500, 20-pin QFN, LIN driver with

5.0V regulator

- Internal short-circuit current limit

- MCP2050-330, 20-pin QFN, LIN driver with

3.3V regulator

- Only external filter and load capacitors needed

• Programmable Windowed Watchdog Timer

(WWDT)

- External resistor programmable from 7 ms to

140 ms

- Disabled by connecting the WWDTSELECT

pin to VREG or let the pin float

• Ratiometric Output of VBAT Voltage Scaled to

VREG

• Automatic Thermal Shutdown

• High Electromagnetic Immunity (EMI), Low

Electromagnetic Emission (EME)

• Robust ESD Performance: ±15 kV for LBUS and

VBB pin (IEC61000-4-2)

• Transient Protection for LBUS and VBB Pins in

Automotive Environment (ISO7637)

 2012-2014 Microchip Technology Inc.

DS20002299C-page 1

12 3 4 5 6 7...40

中文翻译

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