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Updated at 02/08/2025 10:30:15(UTC+8)
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Description
- Overview
- The TJA1044 is part of the Mantis family of high-speed CAN transceivers. It provides an interface between a Controller Area Network (CAN) protocol controller and the physical two-wire CAN bus. The transceiver is designed for high-speed CAN applications in the automotive industry, providing the differential transmit and receive capability to (a microcontroller with) a CAN protocol controller.
- The TJA1044 offers a feature set optimized for 12 V automotive applications, with significant improvements over NXP"s first- and second-generation CAN transceivers, such as the TJA1040, and excellent ElectroMagnetic Compatibility (EMC) performance. Additionally, the TJA1044 features:
- * Ideal passive behavior to the CAN bus when the supply voltage is off
- * A very low-current Standby mode with bus wake-up capability
- * Excellent EMC performance at speeds up to 500 kbit/s, even without a common mode choke
- These features make the TJA1044 an excellent choice for all types of HS-CAN networks, in nodes that require a low-power mode with wake-up capability via the CAN bus.
- The TJA1044 implements the CAN physical layer as defined in the current ISO11898 standard (ISO11898-2:2003, ISO11898-5:2007 and the pending updated version of ISO 11898-2:2016). The TJA1044T is specified for data rates up to 1 Mbit/s. Pending the release of ISO11898-2:2016 including CAN FD and SAE-J2284-4/5, additional timing parameters defining loop delay symmetry are specified for the TJA1044GT and TJA1044GTK. This implementation enables reliable communication in the CAN FD fast phase at data rates up to 5 Mbit/s.
- MoreLess
- ## Features
- ### General
- * Fully ISO 11898-2:2003 and ISO 11898-5:2007 compliant
- * Very low-current Standby mode with host and bus wake-up capability
- * Optimized for use in 12 V automotive systems
- * EMC performance satisfies "Hardware Requirements for LIN, CAN and FlexRay Interfaces in Automotive Applications’, Version 1.3, May 2012.
- * Can interface with 3.3 V and 5 V-supplied microcontrollers, provided the microcontroller I/Os are 5 V tolerant.
- * AEC-Q100 qualified
- * Dark green product (halogen free and Restriction of Hazardous Substances (RoHS) compliant)
- * Available in SO8 package and leadless HVSON8 package (3.0 mm x 3.0 mm) with improved Automated Optical Inspection (AOI) capability
- ### Predictable and fail-safe behavior
- * Functional behavior predictable under all supply conditions
- * Transceiver disengages from bus when not powered (zero load)
- * Transmit Data (TXD) and bus dominant time-out functions
- * Internal biasing of TXD and STB input pins
- ### Protection
- * High ESD handling capability on the bus pins (8 kV IEC and HBM)
- * Bus pins protected against transients in automotive environments
- * Undervoltage detection on pin VCC
- * Thermally protected
- ### TJA1044GT/TJA1044GTK
- * Timing guaranteed for data rates up to 5 Mbit/s
- * Improved TXD to RXD propagation delay of 210 ns
- ## Features
TJA1044T Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Mounting Style | Surface Mount |
| Number of Pins | 8 Pin |
| Case/Package | SO-8 |
| Show | |
| Product Lifecycle Status | Unknown |
| RoHS | RoHS Compliant |
Order guide
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- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
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