TCAN1044DRQ1
Automotive CAN FD TransceiverThe TCAN1044DRQ1 is a automotive can fd transceiver from Texas Instruments. View the full TCAN1044DRQ1 datasheet below including key specifications, electrical characteristics, absolute maximum ratings.
TCAN1044DRQ1 shares its datasheet with TCAN1044VDRBRQ1, whose page lists every part number it covers.
Official TCAN1044DRQ1 datasheet (PDF) — the source this page was extracted from.
TCAN1044DRQ1 Key Specifications
| Parameter | Value |
|---|---|
| Data Rate | 8Mbps |
| Duplex | Half |
| Grade | Automotive |
| Mounting Type | Surface Mount |
| Number of Drivers/Receivers | 1/1 |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Protocol | CANbus |
| Qualification | AEC-Q100 |
| Receiver Hysteresis | 100 mV |
| Supplier Device Package | 8-SOIC |
| Type | Transceiver |
| Supply Voltage | 4.5V ~ 5.5V |
TCAN1044DRQ1 Overview
Part: TCAN1044-Q1 / TCAN1044V-Q1 (TCAN1044VDRBRQ1) — Texas Instruments
Type: Automotive CAN FD Transceiver
Description: AEC-Q100 Grade 1 automotive CAN FD transceiver with data rates up to 8 Mbps, 4.5–5.5 V VCC supply, a 1.7–5.5 V VIO level shifter (V variant), and ±58 V bus fault protection.
Operating Conditions:
- Supply voltage: VCC 4.5–5.5 V; VIO 1.7–5.5 V
- Operating ambient temperature: -40 to 125 °C
- Junction temperature range: -40 to 150 °C
- RXD output current: -2 mA (high level) / 2 mA (low level)
Absolute Maximum Ratings:
- Max supply voltage: VCC 6 V; VIO 6 V
- CAN bus voltage (CANH, CANL): -58 to 58 V
- Max differential voltage between CANH and CANL: ±45 V
- RXD output current: ±8 mA
- Max junction temperature: 150 °C
- Storage temperature: -65 to 150 °C
Key Specs:
- Supply current, normal mode dominant (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 (devices with VIO): 0.2 μA typ, 1 μA max
- I/O supply current, normal mode dominant: 125 μA typ, 300 μA max
- VCC undervoltage detection: rising 4.2 V typ (4.4 V max); falling 4 V typ (3.5–4.25 V)
- VIO undervoltage detection: rising 1.56 V typ (1.65 V max); falling 1.51 V typ (1.4–1.59 V)
- Dominant differential output voltage (50 Ω ≤ RL ≤ 65 Ω): 1.5 to 3 V
- Thermal shutdown: 192 °C typ with 10 °C hysteresis
- ESD: HBM ±3000 V (all pins), ±10000 V (CANH/CANL); CDM ±750 V
Features:
- AEC-Q100 qualified, temperature grade 1 (-40 to 125 °C TA)
- Meets ISO 11898-2:2016 and ISO 11898-5:2007 physical layer requirements
- Supports classic CAN and optimized CAN FD at 2, 5 and 8 Mbps
- Short symmetric propagation delays for increased timing margin
- I/O level shifting supports 1.8 V, 2.5 V, 3.3 V and 5 V logic (VIO)
- Bus fault protection to ±58 V
- Undervoltage protection, TXD dominant timeout (DTO) with data rate down to 9.2 kbps, and thermal shutdown (TSD)
- Normal mode and low-power standby mode with remote wake-up request
- Unpowered optimized behavior: bus and logic pins high impedance
- Hot-plug capable, glitch-free power up/down on bus and RXD
- Receiver common-mode input voltage ±12 V
- Functional safety capable
- Improved automated optical inspection (AOI) with leadless VSON package
Applications:
- Body control modules
- Automotive gateways
- Advanced driver assistance systems (ADAS)
- Infotainment systems
Package:
- SOT (DDF), 8-pin, 2.90 mm x 1.60 mm
- VSON (DRB), 8-pin, 3.00 mm x 3.00 mm
- SOIC (D), 8-pin, 4.90 mm x 3.91 mm
TCAN1044DRQ1 Pin Configuration
DDF Package TCAN1044(V)-Q1, 8-Pin SOT, Top View
D Package TCAN1044(V)-Q1, 8-Pin SOIC, Top View
DRB Package TCAN1044(V)-Q1, 8-Pin VSON , Top View
TCAN1044DRQ1 Electrical Characteristics
Over recommended operating conditions with TA = -40 °C to 125 °C (unless otherwise noted)
| PARAMETER | PARAMETER | PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT |
|---|---|---|---|---|---|---|---|
| Driver Electrical Characteristics | Driver Electrical Characteristics | Driver Electrical Characteristics | Driver Electrical Characteristics | Driver Electrical Characteristics | Driver Electrical Characteristics | Driver Electrical Characteristics | Driver Electrical Characteristics |
| V O(DOM) | Dominant output voltage Normal mode | CANH | TXD = 0 V, STB = 0 V , 50 Ω ≤ R L ≤ 65 Ω , C L = open, R CM = open See 图 7-2 and 图 8-3, | 2.75 | 4.5 | V | |
| V O(DOM) | CANL | TXD = 0 V, STB = 0 V , 50 Ω ≤ R L ≤ 65 Ω , C L = open, R CM = open See 图 7-2 and 图 8-3, | 0.5 | 2.25 | V | ||
| V O(REC) | Recessive output voltage Normal mode | CANH and CANL | TXD = V IO , STB = 0 V , R L = open (no load), R CM = open See 图 7-2 and 图 8-3 | 2 | 0.5 V CC | 3 | V |
| V SYM | Driver symmetry (V O(CANH) + V O(CANL) )/V CC | STB = 0 V , R L = 60 Ω , C SPLIT = 4.7 nF, C L = open, R CM = open, TXD = 250 kHz, 1 MHz, 2.5 MHz See 图 7-2 and 图 9-2 | 0.9 | 1.1 | V/V | ||
| V SYM_DC | DC output symmetry (V CC - V O(CANH) - V O(CANL) ) | STB = 0 V , R L = 60 Ω , C L = open See 图 7-2 and 图 8-3 | - 400 | 400 | mV | ||
| V OD(DOM) | Differential output voltage Normal mode Dominant | CANH - CANL | TXD = 0 V, STB = 0 V , 50 Ω ≤ R L ≤ 65 Ω , C L = open See 图 7-2 and 图 8-3 | 1.5 | 3 | V | |
| V OD(DOM) | Differential output voltage Normal mode Dominant | CANH - CANL | TXD = 0 V, STB = 0 V , 45 Ω ≤ R L ≤ 70 Ω , C L = open See 图 7-2 and 图 8-3 | 1.4 | 3.3 | V | |
| V OD(DOM) | Differential output voltage Normal mode Dominant | CANH - CANL | TXD = 0 V, STB = 0 V , R L = 2240 Ω , C L = open See 图 7-2 and 图 8-3 | 1.5 | 5 | V | |
| V OD(REC) | Differential output voltage Normal mode Recessive | CANH - CANL | TXD = V IO , STB = 0 V , R L = 60 Ω , C L = open See 图 7-2 and 图 8-3 | - 120 | 12 | mV | |
| V OD(REC) | CANH - CANL | TXD = V IO , STB = 0 V , R L = open, C L = open See 图 7-2 and 图 8-3 | - 50 | 50 | mV | ||
| V O(STB) | Bus output voltage Standby mode | CANH | STB = V IO , R L = open (no load) See 图 7-2 and 图 8-3 | -0.1 | 0.1 | V | |
| V O(STB) | CANL | STB = V IO , R L = open (no load) See 图 7-2 and 图 8-3 | -0.1 | 0.1 | V | ||
| V O(STB) | CANH - CANL | STB = V IO , R L = open (no load) See 图 7-2 and 图 8-3 | -0.2 | 0.2 | V |
TCAN1044DRQ1 Absolute Maximum Ratings
over operating free-air temperature range (unless otherwise noted) (1) (2)
| MIN | MAX | UNIT | ||
|---|---|---|---|---|
| V CC | Supply voltage | - 0.3 | 6 | V |
| V IO | Supply voltage I/O level shifter | - 0.3 | 6 | V |
| V BUS | CAN Bus IO voltage CANH and CANL | - 58 | 58 | V |
| V DIFF | Max differential voltage between CANH and CANL | - 45 | 45 | V |
| V Logic_Input | Logic input terminal voltage | - 0.3 | 6 | V |
| V RXD | RXD output terminal voltage range | - 0.3 | 6 | V |
| I O(RXD) | RXD output current | - 8 | 8 | mA |
| T J | Operating virtual junction temperature range | - 40 | 150 | °C |
| T STG | Storage temperature | - 65 | 150 | °C |
TCAN1044DRQ1 Recommended Operating Conditions
| MIN | NOM | MAX | UNIT | ||
|---|---|---|---|---|---|
| V CC | Supply voltage | 4.5 | 5 | 5.5 | V |
| V IO | Supply voltage for I/O level shifter | 1.7 | 5.5 | V | |
| I OH(RXD) | RXD terminal high level output current | - 2 | mA | ||
| I OL(RXD) | RXD terminal low level output current | 2 | mA | ||
| T A | Operating ambient temperature | - 40 | 125 | °C |
TCAN1044DRQ1 Thermal Information
| (1) | TCAN1044x-Q1 | TCAN1044x-Q1 | TCAN1044x-Q1 | UNIT | |
| THERMAL METRIC | D (SOIC) | DDF (SOT) | DRB (VSON) | ||
| R Θ JA | Junction-to-ambient thermal resistance | 128.1 | 119.9 | 49.9 | °C /W |
| R Θ JC(top) | Junction-to-case (top) thermal resistance | 68.3 | 61.8 | 58.2 | °C /W |
| R Θ JB | Junction-to-board thermal resistance | 71.6 | 39.7 | 23.9 | °C /W |
| Ψ JT | Junction-to-top characterization parameter | 19.7 | 2.1 | 1.7 | °C /W |
| Ψ JB | Junction-to-board characterization parameter | 70.8 | 39.5 | 23.8 | °C /W |
| R Θ JC(bot) | Junction-to-case (bottom) thermal resistance | - | - | 6.4 | °C /W |
TCAN1044DRQ1 Typical Application
The TCAN1044-Q1 transceiver can be used in applications with a host controller or FPGA that includes the link layer portion of the CAN protocol. 图 9-1 shows a typical configuration for 5 V controller applications. The bus termination is shown for illustrative purposes.
图 9-1. Transceiver Application Using 5 V I/O Connections
Variants on the same datasheet
These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.
| Part Number | Manufacturer | Package |
|---|---|---|
| TCAN1044 | Texas Instruments | — |
| TCAN1044-Q1 | Texas Instruments | — |
| TCAN1044-Q1V | Texas Instruments | — |
| TCAN1044V | Texas Instruments | SOT (DDF)-8 |
| TCAN1044V-Q1 | Texas Instruments | — |
| TCAN1044VDRBRQ1 | Texas Instruments | 8-VDFN Exposed Pad |
| TCAN1044VDRQ1 | Texas Instruments | 8-SOIC (0.154", 3.90mm Width) |
| TCAN1044X-Q1 | Texas Instruments | — |
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