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33812 Datasheet(PDF) 3 Page - Freescale Semiconductor, Inc |
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33812 Datasheet(HTML) 3 Page - Freescale Semiconductor, Inc |
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3 / 25 page  Analog Integrated Circuit Device Data Freescale Semiconductor 3 33812 Figure 3. 33812 Simplified Internal Block Diagram VPWR, VCC Oscillator INJIN VPWR IGNIN ~50 µA ~50 µA LOGIC CONTROL Gate Control Current Limit Temperature Limit Short Protection Open det. on Injector + RS lLimit VClamp – Relay and ~75µA INJOUT VCCREF Band Gap PARALLEL CONTROL under-voltage POR, over-voltage V10.0 Analog V2.5 Logic Bias ROUT VCCSENS + RS lLimit VClamp – Gate Control Current Limit Temperature Limit Short Protection ISO9141 CONTROLLER MRX MTX LAMPOUT VCC ISO9141 ~50 µA ~50 µA Lamp Output Ignition IGNSUP Predriver IGNFB GND TEST3 TEST1 PGND1 PGND2 DGND IGNFLT WATCHDOG RESET VCC INJFLT LAMPIN WDRFSH RIN ~50 µA VCC ~50 µA VCC ~50 µA ~50 µA ~50 µA IGNOUTH Short Protection IGNOUTL Injector Output TEST2 WD_INH VCC ~50 µA ~50 µA RELFLT VCC ~50 µA (Open Drain) TM_EN ~50 µA *Note: Pull up and pull down current sources are ~50 µA unless otherwise noted |
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