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33800

更新时间: 2022-04-23 23:00:11
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飞思卡尔 - FREESCALE /
页数 文件大小 规格书
39页 1879K
描述
Engine Control Integrated Circuit

33800 数据手册

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Document Number: MC33800  
Rev. 5.0, 10/2007  
Freescale Semiconductor  
Advance Information  
Engine Control Integrated  
Circuit  
33800  
The 33800 is a combination output switch and driver Integrated  
Circuit (IC) which can be used in numerous powertrain applications.  
The IC contains two programmable constant current drivers (CCD),  
an octal, low side, serial switch (OSS), and six, external MOSFET  
gate pre-drivers (GD). The IC has over-voltage, under-voltage, and  
thermal protection. All drivers and switches, including the external  
MOSFETs, have over-current protection, off-state open load  
detection, on-state shorted load detection, and fault annunciation via  
the serial peripheral interface (SPI).  
ENGINE CONTROL  
Additional features include: Low power Sleep Mode, Heated  
Exhaust Gas Oxygen (HEGO) sensor diagnostics, output control via  
serial and/or parallel inputs, PWM capability, and programmable  
current output with dithering. These features, along with cost effective  
packaging, make the 33800 ideal for Powertrain Engine Control  
applications.  
EK SUFFIX (Pb-FREE)  
98ASA99334D  
54-PIN SOICW-EP  
ORDERING INFORMATION  
Features  
Temperature  
Package  
• Wide operating voltage range, 5 < VPWR < 36V  
• Interfaces to 3.3V and 5V microprocessors via SPI protocol  
• Low, Sleep Mode, standby current, typically 10uA.  
• Internal or external voltage reference  
Device  
Range (T )  
A
MCZ33800EK/R2  
-40°C to 125°C  
54 SOICW EP  
• Internal oscillator with calibrate capability  
• Measures resistance to monitor HEGO sensors  
• CCDs have programmable current, dither frequency and amplitude  
• OSSs can be paralleled to increase current capability  
• GDs have programmable frequency and duty cycle PWM  
• All outputs controllable via serial and/or parallel inputs  
• Pb-free packaging designated by suffix code EK  
33800  
VPWR  
VBAT  
VPWR  
CCD1_REC  
CCD1_OUT  
V
DD  
MCU  
VDD  
VPWR  
2.5V  
VCAL  
CCD2_REC  
CCD2_OUT  
RI_REF  
REXT  
VBAT  
MOSI  
SCLK  
CS  
SI  
VBAT  
OUT1  
OUT8  
SCLK  
CS  
SO  
MISO  
VDSNS1  
DEFAULT  
EN  
{
GD1  
VSSNS123  
LRFDBK  
AN0  
P1,P3,P5,P7  
PWM1  
VDSNS6  
{
GD6  
PWM6  
GND  
VSSNS456  
Figure 1. MC33800 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.  

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