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PDF MCZ33800 Data sheet ( Hoja de datos )
| Número de pieza | MCZ33800 | |
| Descripción | Engine Control Integrated Circuit | |
| Fabricantes | Freescale Semiconductor | |
| Logotipo |  |
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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.
1 page  
PIN CONNECTIONS
Table 1. 33800 Pin Definitions(continued)
A functional description of each pin can be found in the Functional Pin Description section beginning on page 16.
Pin Number Pin Name Pin Function Formal Name
Definition
39
PGND3
Ground
OSS 3-8 Ground This PGND pins provide a dedicated ground for the Octal Serial Switch
(OSS) low side driver outputs 3 - 8.
44
PGND2
Ground
OSS 2 Ground
This PGND pin provides a dedicated ground for the Octal Serial Switch
(OSS) low side driver output 2.
46
PGND1
Ground
OSS 1 Ground
This PGND pin provides a dedicated ground for the Octal Serial Switch
(OSS) low side driver output 1.
47
REXT
Output
Resistor External The REXT pin is used to generate a reference current.
Reference
_ _ Ground Exposed Pad Ground The package exposed pad provides thermal conductivity for the die and
should be grounded to system ground.
Analog Integrated Circuit Device Data
Freescale Semiconductor
33800
5
5 Page 
ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 3. Static Electrical Characteristics
Characteristics noted under conditions 3.0V ≤ VDD ≤ 5.5V, 9.0V ≤ VPWR ≤ 18V, -40°C ≤ TA ≤ 125°C, GND = 0V, unless
otherwise noted. Typical values noted reflect the approximate parameter means at TA = 25°C under nominal conditions, unless
otherwise noted.
Characteristic
Symbol
Min Typ Max Unit
PREDRIVER OUTPUT FUNCTION (GD1 - GD6) (CONTINUED)
Drain Sense Fault Detection Current
Gate Drive Off, VDS = 18V
IDSNS(flt-sns)
40
180 400
µA
Output Clamp Voltage
Driver Command Off, VGATE = 2.0V
VOC
50 55 60
V
Sleep Mode Drain Sense Leakage Current
VDD = 0.0V, VDSNS = 24V,
IDSNS (LKG)
–
µA
– 25
Load Resistance Feedback Accuracy Sample and Hold After 150ms
REXT = 24ohm, RLOAD = 10ohm, LRFDBK = VCAL*2.5*(RLOAD/REXT)
LRFBCKACC
-10%
2.6 +10%
V
Load Resistance Feedback Output Voltage
(VDSNS1 - VDSNS2) ≥ 10V, PWM Diagnostics Select = 0001
LRFBCKMax
6.0 V
Analog Integrated Circuit Device Data
Freescale Semiconductor
33800
11
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| PDF Descargar | [ Datasheet MCZ33800.PDF ] | |
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