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Automotive Fault-Protected RS-485 Transceivers with 3.3-V to 5-V Operation


Package | PIN: D | 8
Temp: Q (-40 to 125)
Carrier: Cut Tape
Qty Price
1-9 $3.98
10-24 $3.58
25-99 $3.34
100-249 $3.00
250-499 $2.80
500-749 $2.44
750-999 $2.11
1000+ $2.07


  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results
    • Device Temperature Grade 1:
      –40°C to 125°C Ambient Operating Temperature Range
    • Device HBM ESDClassification Level H2
    • Device CDM ESG Classification LevelC3B
  • Bus-Pin Fault Protection to:
    • > ±70 V (’HVD1780-Q1, ’HVD1781-Q1)
    • > ±30 V(’HVD1782-Q1)
  • Operation With 3.3-V to 5-V Supply Range
  • ±16-kV HBM Protection on Bus Pins
  • Reduced Unit Load for up to 320 Nodes
  • Failsafe Receiver for Open-Circuit, Short-Circuit and Idle-Bus Conditions
  • Low Power Consumption
    • Low Standby Supply Current, 1 µA Maximum
    • ICC 4-mA Quiescent During Operation
  • Pin-Compatible With Industry-Standard SN75176
  • Signaling Rates of 115 kbps, 1 Mbps, and up to 10 Mbps

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Texas Instruments  SN65HVD1782QDRQ1

These devices are designed to survive overvoltage faults such as direct shorts to powersupplies, mis-wiring faults, connector failures, cable crushes, and tool mis-applications. They arealso robust to ESD events, with high levels of protection to the human-body-modelspecification.

These devices combine a differential driver and a differential receiver, which operatefrom a single power supply. In the ’HVD1782, the driver differential outputs and the receiverdifferential inputs are connected internally to form a bus port suitable for half-duplex (two-wirebus) communication. This port features a wide common-mode voltage range, making the devicessuitable for multipoint applications over long cable runs. These devices are characterized from–40°C to 125°C. These devices are pin-compatible with the industry-standard SN75176 transceiver,making them drop-in upgrades in most systems.

These devices are fully compliant with ANSI TIA/EIA 485-A with a 5-V supply and canoperate with a 3.3-V supply with reduced driver output voltage for low-power applications. Forapplications where operation is required over an extended common-mode voltage range, see theSN65HVD1785 (SLLS872) data sheet.