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33811

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		显示器
页数	文件大小	规格书
18页	608K
描述
Solenoid Monitor Integrated Circuit (IC)

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33811 数据手册

Document Number: MC33811

Rev. 2.0, 9/2007

Freescale Semiconductor

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Solenoid Monitor Integrated

Circuit (IC)

33811

The 33811 is a 5 channel Solenoid Monitor IC that is used to verify

proper electrical and mechanical solenoid operation. The IC contains

five solenoid driver voltage monitoring stages and a serial peripheral

interface (SPI) for fault communication and setup. The IC has the

ability to determine the correct movement of solenoid armatures by

analyzing the variation in the voltage profile, across the solenoid

driver MOSFET, which represents the actual solenoid current profile.

SOLENOID MONITOR

These features, along with cost effective packaging, make the

33811 ideal for powertrain solenoid monitoring applications.

Features

EG SUFFIX (PB_FREE)

98ASB42567B

• Typical operating voltage range, 10.5 < VPWR < 15.5 volts

• Interfaces to 3.3 and 5 volt microprocessors via SPI protocol

• Reset pin to initialize all 5 fault outputs

• Internal voltage regulator

16-PIN SOICW

• Internal oscillator

ORDERING INFORMATION

• Unique solenoid current profile detection circuitry

• Pb-free packaging designated by suffix code EG

Temperature

Package

Device

Range (T )

PCZ33811EG/R2

-40°C to 125°C

16 SOICW

33811

V_BAT

VPWR

VDD

VSPI

SOLM1

SOLM2

SOLM3

SOLM4

SOLM5

MCU

MOSI

SCLK

MISO

D_GND

A_GND

RESET

P00

SOLENOIDS

BAT

SOLENOID DRIVER

IN1

IN2

IN3

IN4

IN5

OUT1

OUT2

OUT3

OUT4

OUT5

P01

P02

PORTS

BAT

P03

P04

P05

Figure 1. 33811 Simplified Application Diagram

*This document contains certain information on a product under development. Free-

scale reserves the right to change or discontinue this product without notice

12 3 4 5 6 7...18

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