mc33812 Freescale Semiconductor, Inc, mc33812 Datasheet
mc33812
Related parts for mc33812
mc33812 Summary of contents
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... INJFLT IGNIN IGNOUTL IGNFLT RELFLT MRX MTX TM_EN, TEST2 ISO9141 WD_INH PGND1,2 DGND Note: Surge Voltage protection recommended on VPWR Document Number: MC33812 Rev. 4.0, 7/2009 33812 SMALL ENGINE CONTROL IC EK Pb-FREE SUFFIX 98ASA10556D 32 Pin SOICW EP ORDERING INFORMATION Temperature Package Range ( -40° to 125°C ...
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V BAT PNP +5 V VCC GPIO GPIO +5 V RESET GPIO GPIO MCU GPIO GPIO GPIO GPIO RXD TXD Figure 2. 33812 Simplified Application Diagram (Darlington Mode) 33812 2 33812 V VPWR MIL BAT LAMPOUT V BAT VCCREF ROUT ...
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VPWR V CC TM_EN ~50 µA LOGIC CONTROL TEST1 TEST2 TEST3 ~50 µA INJIN V CC ~50 µA ~50 µA INJFLT PARALLEL CONTROL IGNIN ~50 µA ~50 µA ~50 µA IGNFLT RIN RELFLT LAMPIN ~50 µA ...
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PIN CONNECTIONS IGNOUTL IGNOUTH IGNSUP IGNFB ISO9141 VCCSENS VCCREF VPWR RESET INJFLT RELFLT IGNFLT INJIN LAMPIN IGNIN Table 1. 33812 Pin Definitions Pin Pin Pin Name Function 1 IGNOUTL Output Ignition Output Low 2 IGNOUTH Output Ignition Output High 3 ...
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Table 1. 33812 Pin Definitions Pin Pin Pin Name Function 18 MRX Output Low Side Driver Output 19 WDRFSH Input Watchdog Refresh 20 TM_EN Input Test Mode Enable 21 N.C. Unused 22 ROUT Output Relay Driver Output 23 PGND2 Ground ...
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ELECTRICAL CHARACTERISTICS MAXIMUM RATINGS Table 2. Maximum Ratings All voltages are with respect to ground, unless otherwise noted. Exceeding these ratings may cause a malfunction or permanent damage to the device. Rating (1) VPWR Supply Voltage Logic Input Voltage (MTX, ...
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STATIC ELECTRICAL CHARACTERISTICS STATIC ELECTRICAL CHARACTERISTICS Characteristics noted under conditions of 7.0 V ≤ V applicable, typical values reflect the parameter’s approximate average value with V Characteristic POWER INPUT (VPWR) (7) Supply Voltage (measured at VPWR pin) Fully Operational Full ...
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ELECTRICAL CHARACTERISTICS STATIC ELECTRICAL CHARACTERISTICS STATIC ELECTRICAL CHARACTERISTICS (continued) Characteristics noted under conditions of 7.0 V ≤ V applicable, typical values reflect the parameter’s approximate average value with V Characteristic LOW SIDE DRIVER (INJOUT AND ROUT) (CONTINUED) Drain-to-Source ON Resistance ...
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STATIC ELECTRICAL CHARACTERISTICS (continued) Characteristics noted under conditions of 7.0 V ≤ V applicable, typical values reflect the parameter’s approximate average value with V Characteristic IGNITION (IGBT/DARLINGTON) DRIVER PARAMETERS (IGNOUTL, IGNOUTH, IGNFB, IGNSUP) Drain-to-Source ON Resistance (IGNOUTL Output, Gate/Base Drive ...
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ELECTRICAL CHARACTERISTICS STATIC ELECTRICAL CHARACTERISTICS STATIC ELECTRICAL CHARACTERISTICS (continued) Characteristics noted under conditions of 7.0 V ≤ V applicable, typical values reflect the parameter’s approximate average value with V Characteristic DIGITAL INPUTS (MTX, INJIN, IGNIN, LAMPIN, WDRFSH, RIN, WD_INH) Input ...
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DYNAMIC ELECTRICAL CHARACTERISTICS Characteristics noted under conditions of 7.0 V ≤ V typical values reflect the parameter’s approximate average value with V Characteristic POWER INPUT Required Low State Duration on VPWR for Under-voltage Detect (15) V ≤ V PWR PWR_UV ...
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FUNCTIONAL DESCRIPTION FUNCTIONAL PIN DESCRIPTION SUPPLY INPUT (VPWR) The V pin is battery input to the 33812 IC. A POR/LVI PWR sub-circuit monitors this input's voltage level. The V requires external reverse battery and transient protection. OUTPUT (VCCREF) The VCCREF ...
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Toggling the respective input pin will clear the respective fault pin if the fault has been cleared. K-LINE COMMUNICATION (MTX, MRX, ISO9141) These three pins are used to ...
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FUNCTIONAL DEVICE OPERATION OPERATIONAL MODES FUNCTIONAL DEVICE OPERATION The 33812 has two states of operation, Normal state and Reset state. RESET STATE Applying V to the device will generate a Power On PWR RESET (POR) placing the device in the ...
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INJOUT Fault Detection Features Off State, Open Load Detection An open load on the injector driver is detected by the voltage level on the drain of the output device in the off state. Internal to the device is a pull-down ...
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FUNCTIONAL DEVICE OPERATION RELAY DRIVER OPERATION The Relay Driver (ROUT low side driver that is controlled by the logic level RIN input pin. When RIN is high, the ROUT pin is pulled to ground, turning on an external ...
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The Lamp Driver is a low side driver that is controlled by the logic level LAMPIN input pin. When LAMPIN is high, the LAMP pin is pulled to ground, turning on an external bulb or LED. When LAMPIN is low, ...
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FUNCTIONAL DEVICE OPERATION WATCHDOG TIMER OPERATION The purpose of the watchdog timer is to provide a RESET to the MCU whenever the MCU is locked loop or otherwise hung up, perhaps by executing erroneous code, such as ...
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Bus I/O Pin (ISO9141) This I/O pin represents the single-wire bus transmitter and receiver. Transmitter Characteristics The ISO-9141 bus transmitter is a low side MOSFET with internal over-current thermal shutdown. An internal pull-up resistor with a serial diode structure is ...
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TYPICAL APPLICATIONS ISO-9141 TRANSCEIVER OPERATION Low Voltage Operation During a low voltage condition (4.5 V < VPWR < 9.0 V) the device will operate as described in the functional description, however, certain parameters listed in the tables may be out ...
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For the most current package revision, visit www.freescale.com and perform a keyword search using the “98A” listed below. Analog Integrated Circuit Device Data Freescale Semiconductor PACKAGING PACKAGE DIMENSIONS EK SUFFIX 32-PIN 98ASA10556D REVISION D PACKAGING PACKAGE DIMENSIONS 33812 21 ...
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PACKAGING PACKAGE DIMENSIONS 33812 22 EK SUFFIX 32-PIN 98ASA10556D REVISION D Analog Integrated Circuit Device Data Freescale Semiconductor ...
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Analog Integrated Circuit Device Data Freescale Semiconductor EK SUFFIX 32-PIN 98ASA10556D REVISION D PACKAGING PACKAGE DIMENSIONS 33812 23 ...
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REVISION HISTORY REVISION DATE DESCRIPTION OF CHANGES 7/2009 • Initial release 4.0 33812 24 REVISION HISTORY Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... Freescale Semiconductor was negligent regarding the design or manufacture of the part. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2009. All rights reserved. MC33812 Rev. 4.0 7/2009 ...