MC33385 Motorola, MC33385 Datasheet
MC33385
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MC33385 Summary of contents
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... SEMICONDUCTOR Automotive Quad Low Side Driver The MC33385 is a Quad Low Side Driver fully protected switch. This device is a general purpose Low Side Driver but has been especially designed to operate in engine management application as injector driver or automotive gear box interfaced directly with a microcontroller for parallel control of the load and the individual output diagnostic is done through a SPI ...
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... Output Current Range RESET BEHAVIOUR Reset Changeable (at NRES-Pin) Undervoltage Reset (Independent of NRES) Active for Vcc = 0V to VccPRO UNDERVOLTAGE PROTECTION Protection active for Vcc=0V to Vccpro OVER TEMPERATURE Temperature Detection Threshold MC33385 4 U .com MC33385 Freescale Semiconductor, Inc. Symbols Vcc V out I outc I outp W OFF V ...
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... Positive Output Voltage Ramp (with inductive load) Vout = 4V... 16V Vout = 16V... Vclp Negative Output Voltage Ramp (25%... 75%) Internal Switch-on-Time Charge Pump (NON = LOW... VGate = 0.9 * VBat) Turn ON Delay (NON = 50%, Vout = 0.9 * VBat) MC33385 4 U .com MC33385 Freescale Semiconductor, Inc 125 C and 5.5V CASE CC Symbol I ccSTB1 I ccSTB2 V ) (Iout 1 ...
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... SDI Input Set up Time (CLK change H/Lafter SDI data valid) SDI Input Hold Time (SDI data hold after CLK change H/L) CLK Low Before NCS High CLK High After NCS High MC33385 4 U .com MC33385 Freescale Semiconductor, Inc 125 C and 5.5V CASE CC Symbol t ...
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... FR-RESET NOTE : FR -RESET means Reset failure storage (internal signal) MSB NCS CLK tcsdv SDO SDI MC33385 4 U .com MC33385 Freescale Semiconductor, Inc 125 C and 5.5V CASE CC Symbol tpchdz tpcld will be ignored) t fNCS DIAGNOSTIC REGISTER AND SPI TIMING Figure1- ...
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... Iload Iload > I-OL Diagnostic active t-ol (filter-time) Failure detection Failure store MC33385 4 U .com MC33385 Freescale Semiconductor, Inc. Diagram to Short-Circuit to GNDFailure (SCG-Failure) Detection Filter time Figure5- Diagram to Open Load Failure (OL-Failure) Detection Sporatical failure detection Failure detection active for an sporatical OL-failure www.DataSheet4U.com Iload > IOL for t > tol ...
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... This measurement is active while the powerstage is switched on. MC33385 4 U .com MC33385 Freescale Semiconductor, Inc. DEVICE DESCRIPTION The SCG failure will recognize when the drain voltage is lower than the OL reference limit, while the output stage is switched off. All four outputs have an independent overtemperature detection and shutdown ...
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... MC33385 Freescale Semiconductor, Inc. Figure7- Typical Application NCS Vcc GND1 CLK GND2 GND3 SDI GND4 SDO NRES MC33385 NON1 OUT1 NON2 OUT2 NON3 OUT3 OUT4 NON4 PINS FUNCTION DESCRIPTION Function Ground 2 www.DataSheet4U.com Output Channel 2 NC Input Control Signal for Channel 2 ...
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... T, TEMPERATURE ( C) Figure12- Output Clamp Voltage versus Temperature 55,00 54,50 54,00 53,50 53,00 52,50 52,00 51,50 51,00 -50 - TEMPERATURE ( C) MC33385 4 U .com MC33385 Freescale Semiconductor, Inc. 12,50 12,00 11,50 11,00 Vcc=5,5V 10,50 10,00 Vcc=5,15V 9,50 9,00 8, 100 125 624 623 Vcc=5,5V 622 621 620 Vcc=4,5V 619 www.DataSheet4U.com 618 617 616 ...
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... Figure16- Short Current Limit versus Temperature 4,60 4,50 Vcc=5,5V 4,40 4,30 4,20 4,10 4,00 Vcc=4,5V 3,90 3,80 -50 - TEMPERATURE ( C) Figure18- tdon In1 (1V/div) MC33385 4 U .com MC33385 Freescale Semiconductor, Inc. 3,78 3,77 3,76 3,75 3,74 3,73 3,72 3,71 3, 100 125 www.DataSheet4U.com 50 75 100 125 Turn on Delay Vout1(2V/div) For More Information On This Product, MOTOROLA Go to: www.freescale.com ...
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... Motorola and trademarks of Motorola, Inc. Motorola, Inc Equal Employment opportunity/Affirmative Action Employer. MC33385 4 U .com MC33385 Freescale Semiconductor, Inc. CASE OUTLINES www.DataSheet4U.com For More Information On This Product, MOTOROLA Go to: www.freescale.com ...