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Automotive CAN transceiver with wake, inhibit and sleep mode

Texas Instruments

The TCAN943-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 TCAN943-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 TCAN943-Q1, while monitoring the CAN bus. When a wake-up event is

detected, the TCAN943-Q1 initiates system start-up by driving INH

high.

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