TCAN1044AEV-Q1

Part: TCAN1044AEV-Q1 — Texas Instruments

Type: Fault-Protected CAN FD Transceiver

Description: Automotive Grade 0 high-speed CAN FD transceiver supporting data rates up to 5 Mbps (and up to 8 Mbps in simple networks) with 1.7 V to 5.5 V I/O level translation and ±58 V bus fault protection.

Operating Conditions:

• Supply voltage: 4.5 to 5.5 V (VCC), 1.7 to 5.5 V (VIO)
• Operating temperature: -40 to 150 °C
• Max data rate: Up to 5 Mbps (up to 8 Mbps in simple networks)

Absolute Maximum Ratings:

• Max supply voltage: 6 V (VCC, VIO)
• Max continuous current: 8 mA (RXD output current)
• Max junction/storage temperature: 175 °C junction, -65 to 150 °C storage

Key Specs:

• Bus fault protection voltage: -58 to 58 V
• Max differential bus voltage (CANH - CANL): -45 to 45 V
• Normal mode supply current (dominant, RL = 60 Ω): 45 mA typ, 70 mA max
• Normal mode supply current (recessive, RL = 50 Ω): 4.5 mA typ, 7.5 mA max
• Standby mode supply current (ICC): 1.5 μA max (STB = TXD = VIO, RL = 50 Ω)
• Dominant differential output voltage (VOD(DOM), 50 Ω ≤ RL ≤ 65 Ω): 1.5 V min, 3 V max
• Recessive differential output voltage (VOD(REC), RL = 60 Ω): -120 mV min, 12 mV max
• Thermal shutdown threshold: 175 °C min, 195 °C typ, 210 °C max

Features:

• AEC-Q100 (Grade 0) qualified for automotive applications
• Meets ISO 11898-2:2016 physical layer requirements
• Integrated VIO level shifter supporting 1.8 V, 2.5 V, 3.3 V, or 5 V logic
• TXD-dominant time-out (DTO) and thermal-shutdown protection
• Glitch-free power up/down (hot-plug capable) with high-impedance unpowered bus pins
• Low-power standby mode supporting remote wake-up pattern (WUP)

Applications:

• Body control modules
• Automotive gateway
• Advanced driver assistance systems (ADAS)
• Infotainment

Package:

• 8-pin SOIC (D) (4.90 mm × 3.91 mm)
• 8-pin SOT-23 (DDF) (2.90 mm × 1.60 mm)

• AEC-Q100 (Grade 0) Qualified for automotive applications
• Meets the requirements of ISO 11898-2:2016 physical layer standard
• Functional Safety-Capable
• -Documentation available to aid in functional safety system design
• Support of classical CAN and optimized CAN FD performance at 2, 5, and 8 Mbps
• -Short and symmetrical propagation delays for enhanced timing margin
• I/O voltage range supports 1.7 V to 5.5 V
• Support for 12-V and 24-V battery applications
• Receiver common mode input voltage: ±12 V
• Protection features:
• -Bus fault protection: ±58 V
• -Undervoltage protection
• -TXD-dominant time-out (DTO)
• Data rates down to 9.2 kbps
• -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 and small footprint SOT-23 package

• Automotive and transportation
• -Body control modules
• -Automotive gateway
• -Advanced driver assistance system (ADAS)
• -Infotainment

Figure 5-1. DDF (SOT) and D (SOIC), 8-Pin Package, Top View

Table 5-1. Pin Functions

Table 5-1. Pin Functions

Over recommended operating conditions with TA = -40 °C to 150 °C (unless otherwise noted)

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(1) (2)

• (2) All voltage values, except differential I/O bus voltages, are with respect to ground terminal.

The TCAN1044AEV-Q1 transceiver can be used in applications with a host controller or FPGA that includes the link layer portion of the CAN protocol. Figure 9-1 shows a typical configuration for 5-V controller applications. The bus termination is shown for illustrative purposes.

Figure 9-1. Transceiver Application Using 5-V IO Connections