TCAN844DDFRQ1

Part: TCAN844-Q1 (also TCAN844V-Q1, orderable as TCAN844VDRBRQ1) — Texas Instruments

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

Description: AEC-Q100 qualified CAN FD transceiver with 5 V supply, ±40 V bus fault protection, ±12 V common-mode range, support for 2 Mbps and 5 Mbps CAN FD, and low-power standby mode with remote wake-up.

Operating Conditions:

• Supply voltage: VCC 4.75–5.25 V (5 V nominal); VIO 2.9–5.25 V (V-suffix devices)
• Operating temperature (TJ): -40 to 150 °C
• Receiver common-mode range: ±12 V

Absolute Maximum Ratings:

• Max supply voltage: VCC 6 V; VIO 6 V
• CAN bus voltage (CANH, CANL): ±40 V
• Max differential bus voltage: ±40 V
• RXD output current: ±8 mA
• Max junction temperature: 165 °C
• Storage temperature: -65 to 150 °C

Key Specs:

• Supply current, normal mode dominant (TXD = 0 V, RL = 60 Ω): 44 mA typ, 70 mA max
• Supply current, normal mode recessive: 5.6 mA typ, 10 mA max
• Standby supply current: 5 μA max (TCAN844V); 30 μA max (TCAN844)
• Differential output voltage, dominant (50 Ω ≤ RL ≤ 65 Ω): 1.5–3 V
• Bus output voltage dominant: CANH 2.75–4.5 V; CANL 0.5–2.25 V
• Receiver dominant differential input threshold range (bus biasing active): 0.9–8 V; recessive: -3 to 0.5 V
• VCC undervoltage detection: rising 4.2 V typ (4.6 V max); falling 4 V typ (3.5–4.5 V)
• Thermal shutdown: rising 160–190 °C; hysteresis ≥10 °C
• Unpowered bus leakage: 5 μA max (CANH = CANL = 5 V, VCC = VIO = GND)
• Thermal resistance RθJA: 130.1 °C/W (SOIC), 67.7 °C/W (VSON), 180.5 °C/W (SOT-23)

Features:

• AEC-Q100 qualified; functional safety-capable
• Compatible with ISO 11898-2:2024 physical layer
• Classical CAN and CAN FD at 2 Mbps and 5 Mbps with short, symmetrical propagation delays
• HBM ESD ±12 kV on CANH/CANL; IEC 61000-4-2 contact discharge ±8 kV
• Bus fault protection ±40 V, undervoltage protection, TXD dominant time-out, thermal shutdown
• Normal mode and low-power standby mode with remote wake-up (WUP)
• VIO level translation for 3.3 V or 5 V logic (V-suffix)
• Bus and logic pins high impedance when unpowered; hot-plug capable

Applications:

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

Package:

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

• AEC-Q100 Qualified for automotive applications
• -Human body model (HBM) ESD protection: ±12KV for CANH and CANL pins as per AEC Q100-002
• -Charged-device model (CDM) ESD protection: ±500V as per AEC Q100-011
• -IEC 61000-4-2 Contact discharge: ±8KV (unpowered)
• Compatible with ISO 11898-2:2024 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 2Mbps and 5Mbps
• -Short and symmetrical propagation delays for enhanced timing margin
• TCAN844V-Q1 I/O voltage range supports 2.9V to 5.25V
• Support for 12V battery applications
• Receiver common mode input voltage: ±12V
• Protection features:
• -Bus fault protection: ±40V
• -Undervoltage protection
• -TXD-dominant time-out (DTO)
• -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 4-1. DDF Package, 8-Pin SOT (Top View)

Figure 4-2. D Package, 8-Pin SOIC (Top View)

Figure 4-3. DRB Package, 8-Pin VSON (Top View)

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

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over operating free-air temperature range (unless otherwise noted) (1) (2)

The TCAN844(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 8-1 shows a typical configuration for 5V controller applications. The bus termination is shown for illustrative purposes.

• (1) For more information, see Section 11.
• (2) The package size (length × width) is a nominal value and includes pins, where applicable.