TCAN1044ADRBRQ1

Part: TCAN1044A-Q1 / TCAN1044AV-Q1 (TCAN1044ADRBRQ1) — Texas Instruments

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

Description: AEC-Q100 Grade 1 high-speed CAN transceiver meeting ISO 11898-2:2016, supporting classical CAN and CAN FD at up to 5 Mbps (8 Mbps in simpler networks), with ±58 V bus fault protection and ±12 V receiver common-mode range.

Operating Conditions:

• Supply voltage (VCC): 4.5–5.5 V (5 V nominal)
• VIO supply (TCAN1044AV-Q1): 1.7–5.5 V
• Operating junction temperature: -40 to 150 °C
• RXD output current: -1.5 mA / 1.5 mA (devices with VIO); -2 mA / 2 mA (devices without VIO)

Absolute Maximum Ratings:

• Max supply voltage (VCC): 6 V
• Max VIO supply voltage: 6 V
• Bus I/O voltage (CANH, CANL): ±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, dominant (STB = 0 V, TXD = 0 V, RL = 60 Ω): 45 mA typ, 70 mA max
• Supply current, normal mode, recessive (RL = 50 Ω): 4.5 mA typ, 7.5 mA max
• Supply current, standby mode: 1.5 μA max (with VIO); 15 μA max (without VIO)
• VIO supply current, normal mode: 25 μA typ recessive, 125 μA typ dominant
• VCC undervoltage detection: 4.2 V typ rising (4.4 V max), 4 V typ falling
• VIO undervoltage detection: 1.56 V typ rising, 1.51 V typ falling
• Thermal shutdown: 195 °C typ (175–210 °C), 12 hysteresis
• ESD: HBM ±4 kV all pins, ±10 kV on CANH/CANL; CDM ±750 V
• Thermal resistance RθJA: 127.5 °C/W (SOIC), 122 °C/W (SOT-23), 55.2 °C/W (VSON)

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
• TCAN1044AV variant: I/O level shifting for 1.7–5.5 V logic
• Supports 12 V and 24 V battery applications
• Receiver common-mode input voltage ±12 V
• Protection: ±58 V bus fault, undervoltage, TXD dominant time-out, thermal shutdown
• Normal mode and 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:

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

Package:

• SOIC-8 (D), 4.9 mm x 6 mm
• VSON-8 (DRB), 3 mm x 3 mm
• SOT-23-8 (DDF), 2.9 mm x 2.8 mm

• 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