Datasheet > MC33742EGR2

MC33742EGR2

更新时间： 2023-04-15 00:00:00

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
4页	673K
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MC33742EGR2

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MC33742EGR2 数据手册

Analog, Mixed Signal and Power Management

MC33742

System Basis Chip (SBC) with Enhanced High Speed CAN Transceiver

Applications

MC33742 Simplified Application Drawing

• Aircraft Systems

• Automotive Systems

• Robotic Systems

• Industrial Actuator Control

V_PWR

• Marine Applications

33742

V₂

• Automotive Electronic Control Units

including a High Speed CAN

VSUP

5.0 V

MCU

VDD

Overview

V2CTRL

The MC33742 and the 33742S are

SPI-controlled System Basis Chips

(SBCs) combining many frequently

used functions along with a CAN 2.0-

compliant transceiver, used in many

automotive electronic control units

(ECUs). The MC33742 SBC has a

fully protected fixed 5.0 V low dropout

internal regulator with current limiting,

over-temperature pre-warning, and

reset. A second 5.0 V regulator can

be implemented using external pass

PNP bipolar junction pass transistor

driven by the SBC’s external V2

sense input and V2 output drive

terminals.

RST

V_PWR

SCLK

MOSI

SCLK

MOSI

SPI

MISO

Safe Circuitry

WDOG

INT

ECU Local Supply

Twisted

TXD

RXD

CANH

CANL

CAN Bus

GND

Pair

The SBC has four main operating

modes: Normal, Standby, Stop, and

Sleep mode. Additionally, there is an

internally switched high side power

supply output, four wake-up input

terminals, a programmable window

watchdog, interrupt, reset, and a SPI

module for communication and

control. The High Speed CAN 2.0 A /B

transceiver is available for inter-

module communication.

Performance

Typical Values

Operating Voltage

Data Rate

5.5 V to 18 V

1.0 Mbps

200 mA

Internal 5.0 V Regulator

External 5.0 V Series Regulator

Supply Current with CAN Wake-up Enabled

Supply Current in Sleep Mode, CAN in Sleep State with CAN

Wake-up Enabled

Supply Current in Stop Mode, CAN in Sleep State with CAN

Wake-up Enabled

200 mA

53 + 12 = 65 µA

80 + 12 = 92 µA

Ambient Operating Temperature

-40°C ≤ T_A≤ 125°C

12 3 4

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