TCAN844

Part: TCAN844-Q1 — Texas Instruments

Type: Automotive Fault-Protected CAN FD Transceiver

Description: Automotive CAN FD transceiver supporting up to 5 Mbps with ±40 V bus fault protection, ±12 V receiver common-mode range, and standby mode with remote wake-up.

Operating Conditions:

• Supply voltage: 4.75 V to 5.25 V (VCC), 2.9 V to 5.25 V (VIO for TCAN844V-Q1)
• Operating temperature: -40 to 150 °C (junction temperature TJ)

Absolute Maximum Ratings:

• Max supply voltage: 6 V (VCC, VIO)
• Max junction/storage temperature: 165 °C (TJ), -65 to 150 °C (TSTG)

Key Specs:

• Supply current (dominant, normal mode): 44 mA typ, 70 mA max (TXD = 0 V, RL = 60 Ω)
• Standby mode supply current (ICC): 5 μA max (TCAN844V), 30 μA max (TCAN844)
• Bus fault protection voltage: -40 V to 40 V
• Receiver common-mode voltage range: -12 V to 12 V
• Dominant differential output voltage (VDIFF(D)): 1.5 V to 3 V (TXD = 0 V, 50 Ω ≤ RL ≤ 65 Ω)
• Recessive bus output voltage: 2 V to 3 V (TXD = VCC, RL = open)
• Dominant short-circuit output current: -115 mA min (CANH), 115 mA max (CANL)
• Unpowered bus input leakage current: 5 μA max (CANH = CANL = 5 V)

Features:

• AEC-Q100 Qualified with ±12 kV HBM and ±8 kV IEC 61000-4-2 contact ESD on bus pins
• Compatible with ISO 11898-2:2024 physical layer specification
• Optimized CAN FD performance up to 5 Mbps
• Low-power standby mode supporting remote wake-up request (WUP)
• Thermal-shutdown and TXD-dominant time-out (DTO) protection
• Logic level translation via VIO pin (2.9 V to 5.25 V) on TCAN844V-Q1

Applications:

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

Package:

• 8-Pin SOIC (D) (4.9 mm × 6 mm)
• 8-Pin VSON (DRB) (3 mm × 3 mm)
• 8-Pin SOT-23 (DDF) (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 2 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)
• 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 4-1. DDF Package, 8-Pin SOT (Top View)

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)

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.

• (2) The package size (length × width) is a nominal value and includes pins, where applicable.