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Freescale Semiconductor Electronic Components Datasheet

MCZ33811 Datasheet

Solenoid Monitor Integrated Circuit

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MCZ33811 pdf
Freescale Semiconductor
Advance Information
Solenoid Monitor Integrated
Circuit (IC)
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.
These features, along with cost effective packaging, make the
33811 ideal for powertrain solenoid monitoring applications.
Features
• 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
• Internal oscillator
• Unique solenoid current profile detection circuitry
• Pb-free packaging designated by suffix code EG
Document Number: MC33811
Rev. 3, 8/2008
33811
SOLENOID MONITOR
EG SUFFIX (PB_FREE)
98ASB42567B
16-PIN SOICW
ORDERING INFORMATION
Device
MCZ33811EG/R2
Temperature
Range (TA)
-40°C to 125°C
Package
16 SOICW
VBAT
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MCU
MOSI
SCLK
CS
MISO
P00
PORTS P01
P02
P03
P04
P05
VDD
33811
VPWR
VDD
VSPI
SI
SCLK
CS
SO
RESET
SOLM1
SOLM2
SOLM3
SOLM4
SOLM5
D_GND
A_GND
SOLENOID DRIVER
IN1 OUT1
VBAT
SOLENOIDS
VBAT
IN2 OUT2
VBAT
IN3 OUT3
IN4 OUT4
IN5 OUT5
VBAT
VBAT
Figure 1. 33811 Simplified Application Diagram
* This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
© Freescale Semiconductor, Inc., 2007. All rights reserved.


Freescale Semiconductor Electronic Components Datasheet

MCZ33811 Datasheet

Solenoid Monitor Integrated Circuit

No Preview Available !

MCZ33811 pdf
INTERNAL BLOCK DIAGRAM
VPWR
VDD
D_GND
VSPI
RESET
INTERNAL BLOCK DIAGRAM
VPWR, VDD, 5.0 V
Oscillator
and Clock Generator
Waveform Detection
Circuitry
Waveform Detection
Circuitry
SI
CS
SCLK
SO
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A_GND
15µA VDD
15µA
SPI Interface
Waveform Detection
Circuitry
Waveform Detection
Circuitry
Waveform Detection
Circuitry
SOLM1
SOLM2
SOLM3
SOLM4
SOLM5
33811
2
Figure 2. 33811 Simplified Internal Block Diagram
Analog Integrated Circuit Device Data
Freescale Semiconductor


Part Number MCZ33811
Description Solenoid Monitor Integrated Circuit
Maker Freescale Semiconductor
Total Page 18 Pages
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