Design tool
TCAN844-Q1-DESIGN — TCAN844-Q1 restricted information
TCAN844-Q1 restricted information
TCAN844-Q1
Automotive CAN transceiver with standby for cost-optimized designs
Data sheet
TCAN844-Q1
- AEC-Q100 Qualified for automotive applications
- Human body model (HBM) ESD protection: ±12KV for CANH and CANL pins as per AEC Q100-002
- Charged-device model (CDM) ESD protection: ±500V as per AEC Q100-011
- IEC 61000-4-2 Contact discharge: ±8KV (unpowered)
- Compatible with ISO 11898-2:2024 physical layer standard
- Functional Safety-Capable
- Support of classical CAN and optimized CAN FD performance at 2 and 5Mbps
- Short and symmetrical propagation delays for enhanced timing margin
- TCAN844V-Q1 I/O voltage range supports 2.9V to 5.25V
- Support for 12V battery applications
- Receiver common mode input voltage: ±12V
- Protection features:
- Bus fault protection: ±40V
- Undervoltage protection
- TXD-dominant time-out (DTO)
- Data rates down to 9.2kbps
- Thermal-shutdown protection (TSD)
- Operating modes:
- Normal mode
- Low power standby mode supporting remote wake-up request
- Optimized behavior when unpowered
- Bus and logic pins are high impedance (no load to operating bus or application)
- Hot-plug capable: power up/down glitch-free operation on bus and RXD output
- 8-Pin SOIC, small footprint SOT-23 and leadless VSON-8 package with improved automated optical inspection (AOI) capability
The TCAN844-Q1 is a high speed controller area network (CAN) transceiver that is compatible with physical layer requirements of the ISO 11898-2:2024 high-speed CAN specification.
The device includes internal logic level translation via the VIO pin to allow for interfacing the transceiver I/O directly to 3.3V, or 5V logic levels. The transceiver supports a low-power standby mode and wake over CAN which is compatible to the ISO 11898-2:2024 defined wake-up pattern (WUP).
The transceivers also include thermal-shutdown (TSD), TXD-dominant time-out (DTO), supply undervoltage detection, and ±40V bus fault protection. The devices have defined fail-safe behavior in supply undervoltage or floating pin scenarios. These transceivers are not only available in industry-standard SOIC-8 and VSON-8 packages, but also have a space-saving small footprint SOT-23 package option.
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Technical documentation
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View all 2 | Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | TCAN844-Q1 Automotive Fault-Protected CAN FD Transceiver with Standby Mode datasheet (Rev. A) | PDF | HTML | 16 Oct 2024 |
| Functional safety information | TCAN844-Q1 and TCAN844V-Q1 Functional Safety FIT Rate, FMD, and Pin FMA | PDF | HTML | 22 Oct 2024 |
Design & development
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Evaluation board
TCAN-SOIC8-EVM — Universal evaluation module for CAN transceivers in 8-pin SOIC or SOT package
The TCAN-SOIC8-EVM was developed to provide users the option to evaluate any Texas Instruments 8-pin CAN transciever device. The board provides evaluation flexibility with component footprint and jumper options.
Simulation tool
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Simulation tool
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User guide: PDF
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