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Freescale Semiconductor Electronic Components Datasheet

MCZ33800 Datasheet

Engine Control Integrated Circuit

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MCZ33800 pdf
Freescale Semiconductor
Advance Information
Document Number: MC33800
Rev. 5.0, 10/2007
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).
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.
ENGINE CONTROL
EK SUFFIX (Pb-FREE)
98ASA99334D
54-PIN SOICW-EP
Features
ORDERING INFORMATION
• 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
Device
MCZ33800EK/R2
Temperature
Range (TA)
-40°C to 125°C
Package
54 SOICW EP
VBAT
MCU
MOSI
SCLK
CS
33800
VDD VPWR
2.5V
VDD
VCAL
RI_REF
REXT
SI
SCLK
CS
CCD1_REC
CCD1_OUT
CCD2_REC
CCD2_OUT
OUT1
OUT8
VPWR
VPWR
VBAT
VBAT
MISO
AN0
SO
DEFAULT
EN
LRFDBK
{VDSNS1
GD1
VSSNS123
P1,P3,P5,P7
PWM1
PWM6
GND
{VDSNS6
GD6
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.


Freescale Semiconductor Electronic Components Datasheet

MCZ33800 Datasheet

Engine Control Integrated Circuit

No Preview Available !

MCZ33800 pdf
INTERNAL BLOCK DIAGRAM
INTERNAL BLOCK DIAGRAM
VPWR
VDD
GND
VCAL
DEFAULT
EN
P1
P3
P5
P7
SI
CS
SCLK
SO
PWM1
PWM2
PWM3
PWM4
PWM5
PWM6
RI_REF
15µA VDD
15µA
100K
15µA
15µA
15µA
15µA
VDD
15µA
15µA
15µA
15µA
15µA
15µA
15µA
15µA
VCAL
+
VPWR, VDD
POR
Sleep PWR
Oscillator
Bandgap
Logic Control &
SPI Interface
80µA
CCD2 Outputs
CCD1 Outputs
53V
CCD2_OUT
CCD1_OUT
CCD2_REC
CCD1_REC
Gate Control
Open/Short
+
lLimit
RS
40µA
CCGND
CCGND
Outputs 1 to 8
Gate Control
Open/Short
53V
75µA
OUT 1
to
OUT 8
+
RS
lLimit
PGND
PGND
PGND
Predriver1,2,3
Gate Drive
Control &
Diagnostics
VPWR
VDSNS1
GD1
VSSNS123
VCAL
+
Exposed
Pad
Predriver4,5,6
VPWR
Gate Drive
Control &
Diagnostics
Differential
+ Amplifier
+
VDSNS4
GD4
VSSNS456
LRFDBK
REXT
33800
2
Figure 2. 33800 Simplified Internal Block Diagram
Analog Integrated Circuit Device Data
Freescale Semiconductor


Part Number MCZ33800
Description Engine Control Integrated Circuit
Maker Freescale Semiconductor
Total Page 30 Pages
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