TCAN1044AX

Part: TCAN1044AVDDFRQ1 (TCAN1044AV-Q1, SOT-23 DDF package) — Texas Instruments

Type: Automotive Fault-Protected CAN FD Transceiver with Standby Mode

Description: AEC-Q100 Grade 1, 5 V CAN FD transceiver supporting up to 8 Mbps (5 Mbps certified for EMC), with ±58 V bus fault protection, ±12 V common-mode range, and a 1.7–5.5 V VIO logic level shifter.

Operating Conditions:

• Supply voltage: VCC 4.5–5.5 V (5 V nominal); VIO 1.7–5.5 V
• Operating junction temperature: -40 to 150 °C
• RXD output current: IOH -1.5 mA (min), IOL 1.5 mA (max) for devices with VIO

Absolute Maximum Ratings:

• Max supply voltage: VCC 6 V; VIO 6 V
• CAN bus I/O voltage: ±58 V; max differential voltage between CANH and CANL: ±45 V
• RXD output current: ±8 mA
• Max junction temperature: 165 °C
• Storage temperature: -65 to 150 °C

Key Specs:

• Supply current, normal mode (STB = 0 V): dominant 45 mA typ / 70 mA max (RL = 60 Ω); recessive 4.5 mA typ / 7.5 mA max
• Standby supply current, devices with VIO: 1.5 μA max
• VIO supply current, normal mode: 125 μA typ dominant, 25 μA typ recessive; standby 8.5 μA typ
• VCC undervoltage detection: rising 4.2 V typ (4.4 V max); falling 4 V typ (3.5–4.25 V); hysteresis 200 mV typ
• VIO undervoltage detection: rising 1.56 V typ (1.65 V max); falling 1.51 V typ (1.4–1.59 V); hysteresis 40 mV typ
• Thermal shutdown: 195 °C typ (175–210 °C); hysteresis 12 typ
• Average power dissipation, normal mode: 95 mW typ (VCC = 5 V, TJ = 27 °C, 250 kHz); 120 mW typ (VCC = 5.5 V, TJ = 150 °C, 2.5 MHz)
• Thermal resistance RθJA (SOT-23 DDF): 122 °C/W
• ESD: HBM ±4 kV all pins, ±10 kV on CANH/CANL; CDM ±750 V

Features:

• AEC-Q100 Grade 1 qualified; meets ISO 11898-2:2016 physical layer
• Functional Safety-Capable
• Classical CAN and optimized CAN FD at 2, 5, and 8 Mbps with short, symmetrical propagation delays
• VIO pin supports 1.7–5.5 V logic levels
• Supports 12 V and 24 V battery applications
• Bus fault protection ±58 V, undervoltage protection, TXD dominant time-out, thermal shutdown
• Low-power standby mode with remote wake-up (ISO 11898-2:2016 WUP)
• Bus and logic pins high impedance when unpowered; hot-plug capable

Applications:

• Automotive and transportation
• Body control modules
• Automotive gateway
• ADAS
• Infotainment

Package:

• SOT-23 (DDF), 8-pin, 2.9 mm × 2.8 mm
• SOIC (D), 8-pin, 4.9 mm × 6 mm (family option)
• VSON (DRB), 8-pin, 3 mm × 3 mm (family option)

• AEC-Q100 (Grade 1) 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 8Mbps
• -Short and symmetrical propagation delays for enhanced timing margin
• TCAN1044AV I/O voltage range supports 1.7V to 5.5V
• Support for 12V and 24V battery applications
• Receiver common mode input voltage: ±12V
• Protection features:
• -Bus fault protection: ±58V
• -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

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

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

Figure 5-2. D Package, 8-Pin SOIC (Top View)

Figure 5-3. DRB Package, 8-Pin VSON (Top View)

Table 5-1. Pin Functions

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

(1) (2)

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

The TCAN1044A(V)-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 5V controller applications. The bus termination is shown for illustrative purposes.

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

• (1) For more information, see Section 12.
• (2) The package size (length × width) is a nominal value and includes pins, where applicable.

Simplified Schematic