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Texas Instruments TCAN284x-Q1 CAN FD System Basis Chips (SBCs)

Texas Instruments TCAN284x-Q1 CAN FD System Basis Chips (SBCs) provide a control area network flexible data rate capable (CAN FD) transceiver that supports selective wake. The TCAN2847x-Q1 includes a local interconnect network (LIN) transceiver. The CAN FD transceiver supports data rates up to 8Mbps, while the LIN transceiver supports fast mode data rates up to 200kbps. The VCC1 LDO provides 3.3V or 5V ±2% with up to 250mA current and determines the digital IO logic levels. If more current is needed, an external PNP transistor can support up to 350mA and voltages of 1.8V, 2.5V, 3.3V, or 5V. VCC2 LDO provides 5V up to 200mA.

The Texas Instruments TCAN284x-Q1 includes LIMP, three local wake inputs, and four high-side switches. The high side switch can be on/off, 10-bit PWM, or timer-controlled. Controlling an external CAN FD, LIN transceiver, CAN SBC, or LIN SBC is possible using the GFO pin. The WAKE pins can be configured for static and cyclic sensing (with HSS4 pin), and pulse-based for waking up. These devices provide EEPROM to store specific device configuration information, thus avoiding extensive reprogramming after power fluctuations. WAKE1 and WAKE2 can enable an internal switch between pins to enable external VBAT monitoring. WAKE3 can be configured as a direct drive control pin for any combination of high-side switches when cyclic sensing wake is enabled.

Features

  • AEC-Q100 qualified for automotive applications
  • Meets the requirements for CAN flexible data (FD) per ISO 11898-2:2024
  • Functional safety quality-managed
  • Simplifies system power management with up to three regulators
    • Low drop out (LDO) regulator supporting up to 250mA for 3.3V or 5V MCUs (VCC1)
    • Short-to-battery protected 5V LDO regulator supporting up to 200mA externally (VCC2)
    • Control of an external PNP transistor supporting up to 350mA at 1.8V, 2.5V, 3.3V, or 5V (VEXCC)
  • Multiple methods to wake from sleep mode
    • CAN and LIN bus wake-up pattern (WUP)
    • Optional, CAN selective wake-up frame (WUF) capability (partial networking)
    • Local wake up (LWU) via WAKE pins
      • Cyclic sensing wake-up support with HSS4
    • Digital wake-up using the SW pin
  • Local interconnect network (LIN) physical layer specification ISO/DIS 17987–4:2024 compliant and conforms to SAEJ2602 recommended practice for LIN
  • Four high-side switches for loads up to 150mA
  • Protection and diagnostic features
    • Timeout, window, and Q&A watchdog support
    • Undervoltage (UV), overvoltage (OV), and short-circuit supervision on regulator outputs
    • Fail-safe output (LIMP)
    • UV supervision of VSUP and VHSS; OV supervision of VHSS
    • Advanced CAN bus fault diagnostics
    • ±58V CAN bus fault tolerance
    • Integrated system-level ESD protection
  • Customer-accessible EEPROM to save device configuration
  • QFN (32) package with improved automated optical inspection (AOI) capability

Applications

  • Body electronics and lighting
  • Body control modules
  • Infotainment and cluster
  • Hybrid, electric, and power train systems
  • Industrial transportation

Simplified Schematic

Schematic - Texas Instruments TCAN284x-Q1 CAN FD System Basis Chips (SBCs)

Eval Module

Texas Instruments TCAN284xEVM Evaluation Module

Built to test the performance of any CAN/LIN integrated SBC within the TCAN284x and TCAN285x series.

Learn Moreabout Texas Instruments TCAN284xEVM Evaluation Module View Productsrelated to Texas Instruments TCAN284xEVM Evaluation Module
Published: 2025-08-21 | Updated: 2025-08-26