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AU5783

Features: • Supports SAE/J1850 VPW standard for in-vehicle class B multiplexing• Bus speed 10.4 kbit/s nominal• Drive capability 32 bus nodes• Low RFI due to output waveshape function• Direct battery operation with protection against +40V load dump and 8 kV ESD•...

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SeekIC No. : 004291667 Detail

AU5783: Features: • Supports SAE/J1850 VPW standard for in-vehicle class B multiplexing• Bus speed 10.4 kbit/s nominal• Drive capability 32 bus nodes• Low RFI due to output waveshape...

AU5783 Data Sheet

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Part Number:
AU5783
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/4/26

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Product Details

Description



Features:

• Supports SAE/J1850 VPW standard for in-vehicle class B multiplexing
• Bus speed 10.4 kbit/s nominal
• Drive capability 32 bus nodes
• Low RFI due to output waveshape function
• Direct battery operation with protection against +40V load dump and 8 kV ESD
• Bus terminals proof against automotive transients up to +100V/150V and 8kV ESD
• Power supply enable function
• Very low sleep mode power consumption
• 4X transmission mode (41.6 kbit/s)
• Diagnostic loop-back mode
• Thermal overload protection
• 14-pin SOIC


Pinout

Connection Diagram


Specifications

SYMBOL

PARAMETER

CONDITIONS
MIN.
MAX.
UNIT
VBAT Voltage on pin BAT  
0.3
+34
V
VBAT.ld Short-term supply voltage load dump, t < 1s
+40
V
VBAT.tr Transient voltage on pin BAT and pin LWAKE SAE J1113 test pulses 3A and 3B,
Rwake > 9 kΩ
150
+100
V
VB0 Bus voltage VBAT < 2V, Rld > 1.4 kΩ
16
+18
V
VB1 Bus voltage VBAT > 2V, Rld > 1.4 kΩ
10
+18
V
VB.tr Transient bus voltage SAE J1113, test pulses 3A and 3B,
coupled via C = 1 nF; Rld > 1.4 kΩ
150
+100
V
VWKE Voltage on pin LWAKE  
0.3
+14
V
VWKR Voltage on pin LWAKE via series resistor of Rwake > 9 kΩ
16
+34
V
VINH DC voltage on pin INH  
0.3
+14
V
VI DC voltage on pins TX, RX, NSTB, 4X/LOOP, R/F  
0.3
7.0
V
ESDHBM1 ESD capability of pins BAT, BUS, LOAD and LWAKE Human body model, direct contact
discharge, R = 1.5 kΩ, C = 100 pF,
Rld > 1.4 kΩ; Rwake > 9 kΩ
8
+8
kV
ESDHBM2 ESD capability of all pins Human body model, direct contact
discharge, R = 1.5 kΩ, C = 100 pF
2
+2
kV
Ptot Maximum power dissipation @ Tamb = +125 °C
205
mW
JA Thermal impedance with standard test PCB
120
°C/W
Tamb Operating ambient temperature  
40
+125
°C
Tvj Operating junction temperature  
40
+150
°C
Tstg Storage temperature  
40
+150
°C



Description

The AU5783 is a line transceiver being primarily intended for in-vehicle multiplex applications. It provides interfacing between a J1850 link controller and the physical bus wire. The device supports the SAE/J1850 VPWM standard with a nominal bus speed of 10.4 kbit/s. For data upload and download purposes the 4X transmission mode is supported with a nominal bus speed of 41.6 kbit/s. The AU5783 provides protection against loss of ground conditions, thus ensuring the network will be operational in case of an electronic control unit loosing connection to ground potential. Low power operation is supported through provision of a sleep mode with very low power consumption. In addition an external voltage regulator can be turned off via the AU5783 transceiver to further reduce the overall power consumption. The voltage regulator will be activated again upon detection of bus activity or upon a local wake-up event.




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