AU5790 Philips Semiconductors, AU5790 Datasheet
AU5790
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AU5790 Summary of contents
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... AU5790 Single wire CAN transceiver Product data Supersedes data of 2001 Jan 31 IC18 Data Handbook hilips Semiconductors INTEGRATED CIRCUITS 2001 May 18 ...
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... SO14: 14-pin plastic small outline package 2001 May 18 DESCRIPTION The AU5790 is a line transceiver, primarily intended for in-vehicle multiplex applications. The device provides an interface between a CAN data link controller and a single wire physical bus line. The achievable bus speed is primarily a function of the network time constant and bit timing, e ...
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... Single wire CAN transceiver BLOCK DIAGRAM TxD 3 NSTB (Mode (Mode 1) RxD 4 2001 May 18 BATTERY (+12V) BAT 1 VOLTAGE TEMP. PROTECTION REFERENCE OUTPUT BUFFER MODE CONTROL RECEIVER PROTECTION 8 GND Figure 1. Block Diagram 3 Product data AU5790 CANH (BUS) 7 BUS LOSS OF GROUND RTH (LOAD) AU5790 SL01199 ...
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... RTH 11 Switched ground pin: pulls the load to ground, except in case the module ground is (LOAD) disconnected CANH 12 Bus line transmit input/output (BUS) N. connection GND 14 Ground 4 Product data AU5790 14 GND 13 N.C. 12 CANH (BUS) AU5790 RTH (Load) 11 BAT 10 N.C. 9 GND 8 SO14 SL01251 DESCRIPTION ...
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... Sleeping bus nodes will generally ignore normal communication on the bus. They should be activated using the dedicated wake-up mode. When NSTB is low and EN is high the AU5790 enters wake-up mode i.e. it sends data with an increased signal level. This will result in an activation of other bus nodes being attached to the network ...
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... BAT via series resistor Direct contact discharge, R=1 C=100 pF Direct contact discharge, R=1 C=100 pF Direct contact discharge, R=1 C=100 pF Direct contact discharge, R=1 C=100 pF < 100 ns; pulses 3a/3b: t < Product data AU5790 MIN. MAX. UNIT –0.3 +27 V +40 V +100 V –150 +100 V –10 +18 V – ...
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... CANH 0 V < V < BAT V = – CANH TxD = 0 V; NSTB = – CANH TxD = 0 V; NSTB = Product data AU5790 < 5.5 V; –0.3 V < V < 5 RxD < R < 9 < 30pF to GND; TYP. MAX. UNIT 5 ...
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... NSTB = –5 TxD I = 2.2 mA; RxD all modes CANH RxD CANH –10 RxD CANH all modes amb 8 Product data AU5790 TYP. MAX. UNIT 190 190 2.2 V 2 – 3.25 V BAT 0 ...
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... CANH NSTB = 270 , nF 5.5 V < V < BAT measured from the rising edge on TxD CANH 9 Product data AU5790 < 5.5 V; –0.3 V < V < 5 RxD < R < 9 < 30pF to GND; TYP. MAX. UNIT ...
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... 2.5 V CANH RxD NSTB = CANH to RxD time, measured from V = min {(V – 3.78 V), CANH BAT 7. 2.5 V RxD amb 10 Product data AU5790 TYP. MAX. UNIT 1 < for up to two BAT , otherwise the device ...
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... Philips Semiconductors Single wire CAN transceiver TxD 50% CANH RxD 50% NOTE: 1. When AU5790 is in normal, high-speed, or wake-up mode, the transmit delay in rising edge t respectively; the transmit delay in falling edge respectively. DHS DW Figure 2. 2001 May may be expressed as t ...
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... Check I_CAN_LG with the following switch positions to simulate loss of ground in all modes open = open closed closed open closed = S2 2001 May 18 5.1V TxD GND CANH AU5790 EN RTH 9.1 k RxD BAT I_CAN_LG Figure 3. Loss of ground test circuit 12 Product data AU5790 BAT SL01234 ...
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... TX0 should be configured to push-pull operation, active low; e.g., Output Control Register = 1E hex. Note 2 Recommended range for the load resistor is 3k < R Figure 4. AU5790 transceivers may require additional PCB surface at ground pin(s) as heat conductor(s) in order to meet thermal requirements. See thermal characteristics section for details. Table 2. Maximum CAN Bit Rate ...
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... Philips Semiconductors Single wire CAN transceiver THERMAL CHARACTERISTICS The AU5790 provides protection from thermal overload. When the IC junction temperature reaches the threshold ( 155 C), the AU5790 will disable the transmitter drivers, reducing power dissipation to protect the device. The transmit function will become available again after the junction temperature drops ...
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... Philips Semiconductors Single wire CAN transceiver Table 3 shows the maximum power dissipation of an AU5790 without tripping the thermal overload protection, for specified combinations of package, board configuration, and ambient temperature. Table 3. Maximum power dissipation Additional Foil Area for Additional Foil Area for ...
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... Philips Semiconductors Single wire CAN transceiver Power Dissipation Power dissipation the major factor determining junction temperature. AU5790 power dissipation in active and passive states are different. The average power dissipation is * (1-Dy) tot INT PNINT where total dissipation power; ...
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... AMBIENT TEMPERATURE ( C) Figure 7. Required Thermal Resistance vs. Ambient Temperature and Power Dissipation 2001 May 18 90 100 110 120 130 17 Product data AU5790 Ptot = 453.8 mW (Vbat = 26 nodes) Ptot = 333.1 mW (Vbat = 26 nodes) Ptot = 211.5 mW (Vbat = 13 nodes) SL01256 ...
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... Philips Semiconductors Single wire CAN transceiver SO8: plastic small outline package; 8 leads; body width 3.9 mm 2001 May 18 18 Product data AU5790 SOT96-1 ...
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... Philips Semiconductors Single wire CAN transceiver SO14: plastic small outline package; 14 leads; body width 3.9 mm 2001 May 18 19 Product data AU5790 SOT108-1 ...
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... Philips Semiconductors 811 East Arques Avenue P.O. Box 3409 Sunnyvale, California 94088–3409 Telephone 800-234-7381 hilips Semiconductors 2001 May 18 Copyright Philips Electronics North America Corporation 2001 All rights reserved. Printed in U.S.A. Document order number: 20 Product data AU5790 Date of release: 05-01 9397 750 08401 ...