Specifications
| Type | Description |
|---|---|
| Part Number | TCAN1044-Q1 |
| Manufacturer | Texas Instruments |
| Product Type | Operational Amplifier |
| Category | Signal Chain |
| Package / Case | SOT (DDF, 8) 2.9 mm x 2.8 mm; VSON (DRB, 8) 3 mm x 3 mm; SOIC (D, 8) 4.9 mm x 6 mm |
| Physical Layer Standard Compliance | ISO 11898-2:2016 and ISO 11898-5:2007; condition: CAN physical layer |
| Supported Data Rate | up to 8 Mbps; condition: Classical CAN and CAN FD networks |
| Minimum Data Rate | 9.2 kbps; condition: Data rates down to specified value |
| I/O Voltage Range | 1.7 V to 5.5 V; condition: VIO logic support on TCAN1044V-Q1 |
| Bus Fault Protection | ±58 V; condition: CAN bus pins |
| Receiver Common-Mode Input Voltage | ±12 V; condition: CAN receiver input |
| Operating Junction Temperature | -40°C to 150°C; condition: TJ operating virtual junction temperature range |
| Operating Ambient Temperature | -40°C to 125°C; condition: Recommended operating conditions |
| Supply Voltage | 4.5 V min, 5 V nom, 5.5 V max; condition: VCC recommended operating condition |
| I/O Level Shifter Supply Voltage | 1.7 V min, 5.5 V max; condition: VIO recommended operating condition |
| Absolute Maximum VCC | -0.3 V to 6 V; condition: Supply voltage, with respect to GND |
| Absolute Maximum VIO | -0.3 V to 6 V; condition: I/O level shifter supply voltage, with respect to GND |
| Absolute Maximum CAN Bus Voltage | -58 V to 58 V; condition: CANH and CANL bus I/O voltage |
| Absolute Maximum Differential Bus Voltage | -45 V to 45 V; condition: Between CANH and CANL |
| Logic Input Terminal Voltage | -0.3 V to 6 V; condition: Absolute maximum rating |
| RXD Output Terminal Voltage | -0.3 V to 6 V; condition: Absolute maximum rating |
| RXD Output Current | -8 mA to 8 mA; condition: Absolute maximum rating |
| Storage Temperature | -65°C to 150°C; condition: TSTG absolute maximum rating |
| HBM ESD Rating | ±3000 V; condition: Human-body model per AEC Q100-002, classification level 3A for all pins |
| CANH/CANL HBM ESD Rating | ±10000 V; condition: Human-body model per AEC Q100-002, classification level 3B for global pins CANH and CANL |
| CDM ESD Rating | ±750 V; condition: Charged-device model per AEC Q100-011, classification level C5 for all pins |
| System-Level Contact ESD | ±8000 V; condition: SAE J2962-2 per ISO 10650 powered contact discharge, CANH/CANL to GND |
| System-Level Air ESD | ±15000 V; condition: SAE J2962-2 per ISO 10650 powered air discharge, CANH/CANL to GND |
| ISO 7637 Pulse 1 Transient | -100 V; condition: CANH/CANL terminals |
| ISO 7637 Pulse 2a Transient | 75 V; condition: CANH/CANL terminals |
| ISO 7637 Pulse 3a Transient | -150 V; condition: CANH/CANL terminals |
| ISO 7637 Pulse 3b Transient | 100 V; condition: CANH/CANL terminals |
| ISO 7637 Slow Transient Pulse | ±85 V; condition: DCC slow transient pulse, CANH/CANL to GND |
| RXD High-Level Output Current | -2 mA; condition: IOH(RXD), recommended operating condition |
| RXD Low-Level Output Current | 2 mA; condition: IOL(RXD), recommended operating condition |
| Normal Mode Dominant Supply Current | 45 mA typ, 70 mA max; condition: TXD = 0 V, STB = 0 V, RL = 60 ohm, CL = open |
| Normal Mode Dominant Supply Current | 49 mA typ, 80 mA max; condition: TXD = 0 V, STB = 0 V, RL = 50 ohm, CL = open |
| Normal Mode Recessive Supply Current | 4.5 mA typ, 7.5 mA max; condition: TXD = VCC, STB = 0 V, RL = 50 ohm, CL = open |
| Dominant Supply Current With Bus Fault | 130 mA max; condition: TXD = 0 V, STB = 0 V, CANH = CANL = ±25 V, RL = open, CL = open |
| Standby Supply Current With VIO | 0.2 µA typ, 1 µA max; condition: TXD = STB = VIO, RL = 50 ohm, CL = open |
| Standby Supply Current Without VIO | 14.5 µA typ; condition: TXD = STB = VCC, RL = 50 ohm, CL = open |
| Normal Mode Dominant I/O Supply Current | 125 µA typ, 300 µA max; condition: TXD = 0 V, STB = 0 V, RXD floating |
| Normal Mode Recessive I/O Supply Current | 25 µA typ, 48 µA max; condition: TXD = 0 V, STB = 0 V, RXD floating |
| Standby Mode I/O Supply Current | 8.5 µA typ, 13.5 µA max; condition: TXD = 0 V, STB = VIO, RXD floating |
| VCC Rising Undervoltage Detection | 4.2 V typ, 4.4 V max; condition: Rising undervoltage detection on VCC for protected mode |
| VCC Falling Undervoltage Detection | 3.5 V min, 4 V typ, 4.25 V max; condition: Falling undervoltage detection on VCC for protected mode |
| VIO Rising Undervoltage Detection | 1.56 V typ, 1.65 V max; condition: Rising undervoltage detection on VIO, devices with VIO |
| VIO Falling Undervoltage Detection | 1.4 V min, 1.51 V typ, 1.59 V max; condition: Falling undervoltage detection on VIO, devices with VIO |
| Thermal Shutdown Temperature | 192°C typ; condition: TTSD |
| Thermal Shutdown Hysteresis | 10°C typ; condition: TTSD_HYS |
| Dominant CANH Output Voltage | 2.75 V min, 4.5 V max; condition: TXD = 0 V, STB = 0 V, 50 ohm <= RL <= 65 ohm, CL = open, RCM = open, normal mode |
| Dominant CANL Output Voltage | 0.5 V min, 2.25 V max; condition: TXD = 0 V, STB = 0 V, 50 ohm <= RL <= 65 ohm, CL = open, RCM = open, normal mode |
| Recessive CANH/CANL Output Voltage | 2 V min, 0.5 x VCC typ, 3 V max; condition: TXD = VIO, STB = 0 V, RL = open, RCM = open, normal mode |
| Driver Symmetry | 0.9 V/V min, 1 V/V typ, 1.1 V/V max; condition: STB = 0 V, RL = 60 ohm, CSPLIT = 4.7 nF, CL = open, RCM = open, TXD = 250 kHz, 2.5 MHz |
| DC Output Symmetry | -400 mV min, 400 mV max; condition: STB = 0 V, RL = 60 ohm, CL = open |
| Dominant Differential Output Voltage | 1.5 V min, 3 V max; condition: TXD = 0 V, STB = 0 V, 50 ohm <= RL <= 65 ohm, CL = open, CANH-CANL, normal mode |
| Dominant Differential Output Voltage | 1.4 V min, 3.3 V max; condition: TXD = 0 V, STB = 0 V, 45 ohm <= RL <= 70 ohm, CL = open, CANH-CANL, normal mode |
| Dominant Differential Output Voltage | 1.5 V min, 5 V max; condition: TXD = 0 V, STB = 0 V, RL = 2240 ohm, CL = open, CANH-CANL, normal mode |
| Recessive Differential Output Voltage | -120 mV min, 12 mV max; condition: TXD = VIO, STB = 0 V, RL = 60 ohm, CL = open, CANH-CANL, normal mode |
| Datasheet Status | request_only |
Product Overview
TCAN1044-Q1 is a Texas Instruments automotive CAN FD transceiver for CAN physical layer interfaces. The device supports ISO 11898-2:2016 and ISO 11898-5:2007 networks and is specified for Classical CAN and CAN FD data rates up to 8 Mbps, with data rates down to 9.2 kbps.
Key Features
- ISO 11898-2:2016 and ISO 11898-5:2007 CAN compliance
- Classical CAN and CAN FD support up to 8 Mbps
- Data-rate operation specified down to 9.2 kbps
- 1.7 V to 5.5 V VIO logic support
- ±58 V bus fault protection on CAN pins
- ±12 V receiver common-mode input voltage range
- 4.5 V to 5.5 V recommended VCC supply
- -40°C to 125°C recommended ambient operation
- SOT, VSON, and SOIC 8-pin package options
- 192°C typical thermal shutdown with 10°C hysteresis
Typical Applications
- Automotive CAN FD interfaces
- Classical CAN networks
- CAN physical layer nodes
- 5 V CAN transceiver designs
- Mixed-voltage logic interfaces
- Automotive transient-exposed CAN buses
- Standby-mode CAN nodes
Procurement Notes
When requesting a quote for TCAN1044-Q1, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For analog and signal-chain sourcing, supply voltage, bandwidth, accuracy, noise level, package, temperature grade, input/output configuration and qualification requirements should be verified before approval.
FAQ
What data rates does TCAN1044-Q1 support?
TCAN1044-Q1 supports Classical CAN and CAN FD network data rates up to 8 Mbps. The extracted datasheet facts also specify operation down to 9.2 kbps.
What supply voltage is recommended for TCAN1044-Q1?
The recommended VCC operating condition is 4.5 V minimum, 5 V nominal, and 5.5 V maximum. For devices with VIO, the I/O level shifter supply range is 1.7 V to 5.5 V.
Which package options are listed for TCAN1044-Q1?
The listed package options are SOT (DDF, 8) at 2.9 mm x 2.8 mm, VSON (DRB, 8) at 3 mm x 3 mm, and SOIC (D, 8) at 4.9 mm x 6 mm.
What CAN bus protection ratings are specified?
The CAN bus pins have ±58 V bus fault protection. Absolute maximum CANH and CANL bus I/O voltage is -58 V to 58 V, and the absolute maximum differential bus voltage is -45 V to 45 V.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: June 30, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.