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AU5780A

Features: • Supports SAE/J1850 VPW standard for in-vehicle class B multiplexing• Bus speed 10.4 kbps nominal• Drive capability 32 bus nodes• Low RFI due to output waveshaping with adjustable slew rate• Direct battery operation with protection against +50V load dump,ju...

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SeekIC No. : 004291666 Detail

AU5780A: Features: • Supports SAE/J1850 VPW standard for in-vehicle class B multiplexing• Bus speed 10.4 kbps nominal• Drive capability 32 bus nodes• Low RFI due to output waveshaping...

AU5780A Data Sheet

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Part Number:
AU5780A
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: 2025/12/5

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Product Details

Description



Features:

• Supports SAE/J1850 VPW standard for in-vehicle class B multiplexing
• Bus speed 10.4 kbps nominal
• Drive capability 32 bus nodes
• Low RFI due to output waveshaping with adjustable slew rate
• Direct battery operation with protection against +50V load dump,jump start and reverse battery
• Bus terminals proof against automotive transients up to
200V/+200V
• Thermal overload protection
• Very low bus idle power consumption
• Diagnostic loop-back mode
• 4X mode (41.6 kbps) reception capability
• ESD protected to 9 KV on bus and battery pins
• 8-pin SOIC


Pinout

Connection Diagram


Specifications

SYMBOL

PARAMETER

CONDITIONS
MIN.
MAX.
UNIT
VBATT supply voltage  
20
+24
V
VBATT.ld short-term supply voltage load dump; t < 1s
+50
V
VBATT.tr1 transient supply voltage SAE J1113 pulse 1
100
V
VBATT.tr2 transient supply voltage SAE J1113 pulses 2
+150
V
VBATT.tr3 transient supply voltage SAE J1113 pulses 3A, 3B
200
+200
V
VB Bus voltage Rf > 10 kΩ ; Rb >10Ω
1
20
+20
V
VB.tr1 transient bus voltage SAE J1113 pulse 1
50
V
VB.tr2 transient bus voltage SAE J1113 pulses 2
+100
V
VB.tr3 transient bus voltage SAE J1113 pulses 3A, 3B
200
+200
V
VI DC voltage on pins TX, R/F, RX, /LB  
0.3
7
V
ESDBATT ESD capability of BATT pin Air gap discharge, R=2kΩ, C=150pF
9
+9
kV
ESDbus ESD capability of BUS_OUT and BUS_IN pins Air gap discharge, R=2kΩ, C=150pF, Rf > 10 k
9
+9
kV
ESDlogic ESD capability of TX, RX, R/F, and /LB pins Human Body, R=1.5kΩ, C=100pF
2
+2
kV
Ptot maximum power dissipation at Tamb = +125 °C
164
mW
JA thermal impedance  
152
°C/W
Tamb operating ambient temperature  
40
+125
°C
Tstg storage temperature  
40
+150
°C
Tvj junction temperature  
40
+150
°C
TLEAD Lead temperature Soldering, 10 seconds maximum
265
°C
ICL(BUS) Bus output clamp current No latch-up, |VBUS| = 25 V
100
mA
ICL(BATT) Battery clamp current No latch-up or snap back,
|VBATT| = 25 V
100
mA



Description

The AU5780A 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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