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TCAN843-Q1

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Automotive low-power fault protected CAN FD transceiver with WAKE and sleep mode

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Data sheet

TCAN843-Q1

ACTIVE
Data sheet Order now

Product details

Architecture 12V Protocols CAN, CAN FD Number of channels 1 I/O supply voltage (V) 2.8V, 3.3, 5 Supply voltage (V) 4.5 to 28 Bus fault voltage (V) -40 to 40 Signaling rate (max) (Mbps) 5 Rating Automotive Features Enable, Inhibit, Sleep, Wake Supply voltage (VCC) (V) 4.75V to 5.25V
Architecture 12V Protocols CAN, CAN FD Number of channels 1 I/O supply voltage (V) 2.8V, 3.3, 5 Supply voltage (V) 4.5 to 28 Bus fault voltage (V) -40 to 40 Signaling rate (max) (Mbps) 5 Rating Automotive Features Enable, Inhibit, Sleep, Wake Supply voltage (VCC) (V) 4.75V to 5.25V
SOIC (D) 14 51.9 mm² 8.65 x 6 SOT-23-THN (DYY) 14 13.692 mm² 4.2 x 3.26 VSON (DMT) 14 13.5 mm² 4.5 x 3
  • AEC Q100 Qualified for automotive applications
  • Functional Safety-Capable
  • Meets the requirements of ISO 11898-2:2024
  • Wide input operational voltage range
  • Supports classic CAN and CAN FD up to 5Mbps
  • VIO level shifting supports: 3.3V to 5.5V
  • Operating modes:
    • Normal mode
    • Silent mode
    • Standby mode
    • Low-power sleep mode

  • High-voltage INH output for system power control

  • Local wake-up support using the WAKE pin

  • Defined behavior when unpowered
    • Bus and IO terminals are high impedance (no load to operating bus or application)
  • Protection features:
    • ±40V CAN bus fault tolerant
    • Load dump support on VSUP
    • IEC ESD protection
    • Under-voltage protection
    • Thermal shutdown protection
    • TXD dominant state timeout (TXD DTO)
  • Available in 14-pin leaded (SOT and SOIC) packages and leadless (VSON) package with wettable flanks for improved automated optical inspection (AOI) capability
  • AEC Q100 Qualified for automotive applications
  • Functional Safety-Capable
  • Meets the requirements of ISO 11898-2:2024
  • Wide input operational voltage range
  • Supports classic CAN and CAN FD up to 5Mbps
  • VIO level shifting supports: 3.3V to 5.5V
  • Operating modes:
    • Normal mode
    • Silent mode
    • Standby mode
    • Low-power sleep mode

  • High-voltage INH output for system power control

  • Local wake-up support using the WAKE pin

  • Defined behavior when unpowered
    • Bus and IO terminals are high impedance (no load to operating bus or application)
  • Protection features:
    • ±40V CAN bus fault tolerant
    • Load dump support on VSUP
    • IEC ESD protection
    • Under-voltage protection
    • Thermal shutdown protection
    • TXD dominant state timeout (TXD DTO)
  • Available in 14-pin leaded (SOT and SOIC) packages and leadless (VSON) package with wettable flanks for improved automated optical inspection (AOI) capability

The TCAN843-Q1 is a high-speed Controller Area Network (CAN) transceiver that meets the physical layer requirements of the ISO 11898-2:2024 high-speed CAN specification. The device supports both classical CAN and CAN FD data rates up to 5 megabits per second (Mbps).

The TCAN843-Q1 allows for system-level reductions in battery current consumption by selectively enabling the various power supplies that can be present on a system via the INH output pin. This allows a low-current sleep state in which power is gated to all system components except for the TCAN843-Q1, while monitoring the CAN bus. When a wake-up event is detected, the TCAN843-Q1 initiates system start-up by driving INH high.

The TCAN843-Q1 is a high-speed Controller Area Network (CAN) transceiver that meets the physical layer requirements of the ISO 11898-2:2024 high-speed CAN specification. The device supports both classical CAN and CAN FD data rates up to 5 megabits per second (Mbps).

The TCAN843-Q1 allows for system-level reductions in battery current consumption by selectively enabling the various power supplies that can be present on a system via the INH output pin. This allows a low-current sleep state in which power is gated to all system components except for the TCAN843-Q1, while monitoring the CAN bus. When a wake-up event is detected, the TCAN843-Q1 initiates system start-up by driving INH high.
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Top documentation Type Title Format options Date
* Data sheet TCAN843-Q1 Automotive CAN FD Transceiver With Sleep Mode datasheet (Rev. A) PDF | HTML 02 Dec 2025
Product overview Isolated Wake for CAN Transceiver PDF | HTML 07 Jan 2026
Functional safety information TCAN843-Q1 Functional Safety FIT Rate, FMD, and Pin FMA PDF | HTML 15 Dec 2025
Application brief Reduce Costs by Migrating From TCAN10xx-Q1 to TCAN8xx-Q1 PDF | HTML 20 Oct 2025

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