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33800 Datasheet(PDF) 1 Page - Freescale Semiconductor, Inc |
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33800 Datasheet(HTML) 1 Page - Freescale Semiconductor, Inc |
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1 / 39 page  Document Number: MC33800 Rev. 5.0, 10/2007 Freescale Semiconductor Advance Information * 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. Engine Control Integrated Circuit 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. 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 Figure 1. MC33800 Simplified Application Diagram ENGINE CONTROL EK SUFFIX (Pb-FREE) 98ASA99334D 54-PIN SOICW-EP 33800 ORDERING INFORMATION Device Temperature Range (TA) Package MCZ33800EK/R2 -40°C to 125°C 54 SOICW EP VDD VPWR DEFAULT VDD SI SO SCLK CS MOSI MISO AN0 OUT1 33800 SCLK CS GND VBAT OUT8 CCD1_OUT CCD2_OUT VPWR VBAT VBAT VDSNS1 GD1 GD6 PWM1 PWM6 CCD1_REC CCD2_REC MCU VCAL REXT RI_REF LRFDBK P1,P3,P5,P7 2.5V VDSNS6 EN { { VSSNS456 VSSNS123 VPWR |
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