mcz33800ek/r2 Freescale Semiconductor, Inc, mcz33800ek/r2 Datasheet

mcz33800ek/r2

Manufacturer Part Number

mcz33800ek/r2

Description

Engine Control Integrated Circuit

Manufacturer

Freescale Semiconductor, Inc

Datasheet

1.MCZ33800EKR2.pdf (39 pages)

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Freescale Semiconductor

Advance Information

* This document contains certain information on a new product.

Specifications and information herein are subject to change without notice.

Engine Control Integrated

Circuit

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).

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.

Features

• 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

• 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

The 33800 is a combination output switch and driver Integrated

Additional features include: Low power Sleep Mode, Heated

BAT

MCU

Figure 1. MC33800 Simplified Application Diagram

MOSI

SCLK

MISO

AN0

2.5V

VPWR

VDD

VCAL

RI_REF

REXT

SCLK

DEFAULT

LRFDBK

P1,P3,P5,P7

PWM1

PWM6

GND

33800

MCZ33800EK/R2

CCD1_REC

CCD1_OUT

CCD2_REC

CCD2_OUT

Device

VSSNS123

VSSNS456

{

VDSNS1

VDSNS6

OUT1

OUT8

GD1

GD6

ORDERING INFORMATION

EK SUFFIX (Pb-FREE)

ENGINE CONTROL

54-PIN SOICW-EP

98ASA99334D

-40°C to 125°C

Document Number: MC33800

Temperature

Range (T

33800

BAT

PWR

)

PWR

Rev. 5.0, 10/2007

54 SOICW EP

BAT

Package

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