AU5780 NXP Semiconductors, AU5780 Datasheet
AU5780
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AU5780 Summary of contents
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... AU5780 SAE/J1850/VPW transceiver Product specification Supersedes data of 1997 Dec 22 Philips Semiconductors INTEGRATED CIRCUITS 1998 Jun 30 ...
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... SO8: 8-pin plastic small outline package; Packed on tape & reel 1998 Jun 30 DESCRIPTION The AU5780 is a line transceiver being primarily intended for in-vehicle multiplex applications. It provides interfacing between a link controller and the physical bus wire. The device supports the SAE/J1850 VPWM standard with a nominal bus speed of 10.4 kbps. ...
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... Philips Semiconductors SAE/J1850/VPW transceiver BLOCK DIAGRAM LOW–POWER R/F /LB 6 Vcc 1998 Jun 30 BATTERY (+12V) BATT 1 VOLTAGE TIMER REFERENCE TX– BUFFER INPUT BUFFER VOLTAGE REFERENCE AU5780 8 GND 3 Product specification AU5780 TEMP. PROTECTION BUS_OUT OUTPUT 7 BUFFER Rb Rf BUS_IN 5 INPUT FILTER SL01195 ...
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... RF bus noise. The incoming signal is output at the RX pin being connected to the J1850 link controller. If the TX input is idle for a certain time, then the AU5780 enters a low-power mode. This mode is dedicated to help meet ignition-off current draw requirements. The BUS_IN input comparator is kept alive in the low-power mode ...
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... Air gap discharge, R=2k , C=150pF Air gap discharge, R=2k , C=150pF Human Body, R=1.5k , C=100pF +125 C amb in free air < +20V the current is limited by the external resistors R bus 5 Product specification AU5780 RX BUS_OUT (out) float float (high) float low 1 float bus state high low MIN. MAX. ...
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... V <+8.5V bus TX high; –17V< V < 0V bus TX low; 0V<V <24V; BATT 0V< V <+17V bus TX low; 0V<V <24V; BATT –17V< V < 0V bus 0V<V <16V BATT –17V < V < +17V bus 6 Product specification AU5780 MIN. TYP. MAX. UNIT 200 A 1 155 0 ...
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... L 70% of waveform f > 500 kHz 30 Hz < f < 250kHz 250 kHz < f < 200 MHz With square wave input 15k f t –t DRXOFF DRXON TX low < Product specification AU5780 MIN. TYP. MAX. UNIT ...
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... Value depends, e.g., on type of bus node. Example: primary node RL=1.6k , secondary node RL=11k. 2. For connection of /LB there are different options, e.g., connect to V 1998 Jun 30 J1850 LINKCONTROLLER VPWO VPWI +5V 10NF 10k 2) 56k TX RX /LB R/F BATT AU5780 TRANSCEIVER GND BUS_IN BUS_OUT 15k 10W low-active reset port pin Product specification AU5780 +12V SL01197 ...
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... Philips Semiconductors SAE/J1850/VPW transceiver SO8: plastic small outline package; 8 leads; body width 3.9mm 1998 Jun 30 9 Product specification AU5780 SOT96-1 ...
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... East Arques Avenue P.O. Box 3409 Sunnyvale, California 94088–3409 Telephone 800-234-7381 Philips Semiconductors 1998 Jun 30 [1] Copyright Philips Electronics North America Corporation 1998 print code Document order number: 10 Product specification AU5780 All rights reserved. Printed in U.S.A. Date of release: 05-96 9397 750 04079 ...