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TCAN1044-Q1

Automotive CAN FD Transceiver

The TCAN1044-Q1 is a automotive can fd transceiver from Texas Instruments. View the full TCAN1044-Q1 datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

TCAN1044-Q1 shares its datasheet with TCAN1044VDRBRQ1, whose page lists every part number it covers.

Official TCAN1044-Q1 datasheet (PDF) — the source this page was extracted from.

Manufacturer

Texas Instruments

Category

Automotive CAN FD Transceiver

TCAN1044-Q1 Key Specifications

ParameterValue
StandardsISO 11898-2:2016, ISO 11898-5:2007
Max Data Rate8 Mbps (CAN FD)
QualificationAEC-Q100 Grade 1
Operating ModesNormal, low-power standby with remote wake-up (WUP)
Package OptionsSOT-23-THIN DDF-8 (2.90x1.60mm), VSON DRB-8 (3.00x3.00mm), SOIC D-8 (4.90x3.91mm)
VCC Supply Voltage4.5V to 5.5V
Bus Fault Protection±58V
Junction Temperature Range-40°C to 150°C
Ambient Temperature Range (TA)-40°C to 125°C
TXD Dominant Timeout Data Ratedown to 9.2 kbps
Receiver Common-Mode Input Voltage±12V
VIO I/O Supply Voltage (V Variant)1.7V to 5.5V

TCAN1044-Q1 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

TCAN1044-Q1 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

TCAN1044-Q1 Electrical Characteristics

Over recommended operating conditions with TA = -40 °C to 125 °C (unless otherwise noted)

PARAMETERPARAMETERPARAMETERTEST CONDITIONSMINTYPMAXUNIT
Driver Electrical CharacteristicsDriver Electrical CharacteristicsDriver Electrical CharacteristicsDriver Electrical CharacteristicsDriver Electrical CharacteristicsDriver Electrical CharacteristicsDriver Electrical CharacteristicsDriver Electrical Characteristics
V O(DOM)Dominant output voltage Normal modeCANHTXD = 0 V, STB = 0 V , 50 Ω ≤ R L ≤ 65 Ω , C L = open, R CM = open See 图 7-2 and 图 8-3,2.754.5V
V O(DOM)CANLTXD = 0 V, STB = 0 V , 50 Ω ≤ R L ≤ 65 Ω , C L = open, R CM = open See 图 7-2 and 图 8-3,0.52.25V
V O(REC)Recessive output voltage Normal modeCANH and CANLTXD = V IO , STB = 0 V , R L = open (no load), R CM = open See 图 7-2 and 图 8-320.5 V CC3V
V SYMDriver symmetry (V O(CANH) + V O(CANL) )/V CCSTB = 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 9-20.91.1V/V
V SYM_DCDC 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- 400400mV
V OD(DOM)Differential output voltage Normal mode DominantCANH - CANLTXD = 0 V, STB = 0 V , 50 Ω ≤ R L ≤ 65 Ω , C L = open See 图 7-2 and 图 8-31.53V
V OD(DOM)Differential output voltage Normal mode DominantCANH - CANLTXD = 0 V, STB = 0 V , 45 Ω ≤ R L ≤ 70 Ω , C L = open See 图 7-2 and 图 8-31.43.3V
V OD(DOM)Differential output voltage Normal mode DominantCANH - CANLTXD = 0 V, STB = 0 V , R L = 2240 Ω , C L = open See 图 7-2 and 图 8-31.55V
V OD(REC)Differential output voltage Normal mode RecessiveCANH - CANLTXD = V IO , STB = 0 V , R L = 60 Ω , C L = open See 图 7-2 and 图 8-3- 12012mV
V OD(REC)CANH - CANLTXD = V IO , STB = 0 V , R L = open, C L = open See 图 7-2 and 图 8-3- 5050mV
V O(STB)Bus output voltage Standby modeCANHSTB = V IO , R L = open (no load) See 图 7-2 and 图 8-3-0.10.1V
V O(STB)CANLSTB = V IO , R L = open (no load) See 图 7-2 and 图 8-3-0.10.1V
V O(STB)CANH - CANLSTB = V IO , R L = open (no load) See 图 7-2 and 图 8-3-0.20.2V

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TCAN1044-Q1 Absolute Maximum Ratings

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

MINMAXUNIT
V CCSupply voltage- 0.36V
V IOSupply voltage I/O level shifter- 0.36V
V BUSCAN Bus IO voltage CANH and CANL- 5858V
V DIFFMax differential voltage between CANH and CANL- 4545V
V Logic_InputLogic input terminal voltage- 0.36V
V RXDRXD output terminal voltage range- 0.36V
I O(RXD)RXD output current- 88mA
T JOperating virtual junction temperature range- 40150°C
T STGStorage temperature- 65150°C
MINNOMMAXUNIT
V CCSupply voltage4.555.5V
V IOSupply voltage for I/O level shifter1.75.5V
I OH(RXD)RXD terminal high level output current- 2mA
I OL(RXD)RXD terminal low level output current2mA
T AOperating ambient temperature- 40125°C

TCAN1044-Q1 Thermal Information

(1)TCAN1044x-Q1TCAN1044x-Q1TCAN1044x-Q1UNIT
THERMAL METRICD (SOIC)DDF (SOT)DRB (VSON)
R Θ JAJunction-to-ambient thermal resistance128.1119.949.9°C /W
R Θ JC(top)Junction-to-case (top) thermal resistance68.361.858.2°C /W
R Θ JBJunction-to-board thermal resistance71.639.723.9°C /W
Ψ JTJunction-to-top characterization parameter19.72.11.7°C /W
Ψ JBJunction-to-board characterization parameter70.839.523.8°C /W
R Θ JC(bot)Junction-to-case (bottom) thermal resistance--6.4°C /W

TCAN1044-Q1 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 NumberManufacturerPackage
TCAN1044Texas Instruments—
TCAN1044-Q1VTexas Instruments—
TCAN1044DRQ1Texas Instruments8-SOIC (0.154", 3.90mm Width)
TCAN1044VTexas InstrumentsSOT (DDF)-8
TCAN1044V-Q1Texas Instruments—
TCAN1044VDRBRQ1Texas Instruments8-VDFN Exposed Pad
TCAN1044VDRQ1Texas Instruments8-SOIC (0.154", 3.90mm Width)
TCAN1044X-Q1Texas Instruments—

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