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TCAN1044AEVDRQ1

Automotive CAN FD Transceiver

The TCAN1044AEVDRQ1 is a automotive can fd transceiver from Texas Instruments. View the full TCAN1044AEVDRQ1 datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

Official TCAN1044AEVDRQ1 datasheet (PDF) — the source this page was extracted from.

Manufacturer

Texas Instruments

Category

Automotive CAN FD Transceiver

Package

SOIC-8

Lifecycle

Active

TCAN1044AEVDRQ1 Key Specifications

ParameterValue
Case/PackageSOIC
Data Rate8Mbps
DuplexHalf
GradeAutomotive
Height1.75 mm
Length4.9 mm
Lifecycle StatusProduction (Last Updated: 3 days ago)
Manufacturer Lifecycle StatusACTIVE (Last Updated: 3 days ago)
Mounting TypeSurface Mount
Number of Drivers/Receivers1/1
Number of Pins8
Operating Temperature-40°C ~ 150°C (TA)
Package / Case8-SOIC (0.154", 3.90mm Width)
ProtocolCANbus
QualificationAEC-Q100
Receiver Hysteresis115 mV
RoHSCompliant
Supplier Device Package8-SOIC
Thickness1.58 mm
TypeTransceiver
Supply Voltage4.5V ~ 5.5V
Width3.91 mm

TCAN1044AEVDRQ1 Overview

Part: TCAN1044AEV-Q1 — Texas Instruments

Type: Automotive Fault-Protected CAN FD Transceiver

Description: AEC-Q100 Grade 0 CAN FD transceiver with 4.5–5.5 V VCC supply, 1.7–5.5 V VIO logic supply, data rates up to 5 Mbps (8 Mbps in simpler networks) 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 150 °C
  • Data rates: 2, 5 and 8 Mbps (CAN FD); standard CAN supported

Absolute Maximum Ratings:

  • Max supply voltage: VCC 6 V; VIO 6 V
  • Bus voltage (CANH, CANL): ±58 V
  • Max differential bus voltage: ±45 V
  • RXD output current: ±8 mA
  • Max junction temperature: 175 °C
  • Storage temperature: -65 to 150 °C

Key Specs:

  • Supply current, normal mode dominant (RL = 60 Ω): 45 mA typ, 70 mA max
  • Supply current, normal mode recessive: 4.5 mA typ, 7.5 mA max
  • Supply current, standby mode: 1.5 μA max
  • VIO supply current, standby mode: 8.5 μA typ, 14 μA max
  • VCC undervoltage falling threshold: 3.5–4.25 V (4 V typ); rising 4.4 V max
  • VIO undervoltage falling threshold: 1.4–1.59 V; rising 1.65 V max
  • Dominant differential output voltage (50–65 Ω load): 1.5–3 V
  • Receiver input threshold, normal mode: 500–900 mV (-12 V ≤ VCM ≤ 12 V)
  • Thermal shutdown temperature: 195 °C typ (175–210 °C)
  • ESD HBM: ±4 kV all pins; ±10 kV on CANH/CANL

Features:

  • AEC-Q100 Grade 0 qualified
  • Meets ISO 11898-2:2016 physical layer requirements
  • Functional safety capable
  • Classic CAN and optimized CAN FD performance at 2, 5 and 8 Mbps
  • Short, symmetric propagation delay times
  • I/O level shifting via VIO, 1.7–5.5 V
  • Supports 12 V and 24 V battery applications
  • Bus fault protection ±58 V
  • Receiver common-mode input range ±12 V
  • Undervoltage protection, TXD dominant timeout (DTO, down to 9.2 kbps), thermal shutdown
  • Normal mode and low-power standby mode with remote wake-up (WUP)
  • Unpowered high-impedance bus and logic pins; hot-plug capable

Applications:

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

Package:

  • SOIC (D), 8-pin, 4.90 mm × 3.91 mm
  • SOT-23 (DDF), 8-pin, 2.90 mm × 1.60 mm

TCAN1044AEVDRQ1 Pin Configuration

图 5-1. DDF (SOT) and D (SOIC), 8-Pin Package, Top View

表 5-1. Pin Functions

PinsPinsType
No.NameTypeDescription
1TXDDigital InputCAN transmit data input; integrated pull-up
2GNDGNDGround connection
3V CCSupply5-V supply voltage
4RXDDigital OutputCAN receive data output, tri-stated when device powered off
5V IOSupplyI/O supply voltage
6CANLBus IOLow-level CAN bus input/output line
7CANHBus IOHigh-level CAN bus input/output line
8STBDigital InputStandby input for mode control; integrated pull-up

TCAN1044AEVDRQ1 Electrical Characteristics

Over recommended operating conditions with TA = -40 °C to 150 °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 modeCANHSTB = 0 V, TXD = 0 V 50 Ω ≤ R L ≤ 65 Ω , C L = open, R CM = open See 图 7-2 and 图 8-32.754.5V
V O(DOM)Dominant output voltage Normal modeCANLSTB = 0 V, TXD = 0 V 50 Ω ≤ R L ≤ 65 Ω , C L = open, R CM = open See 图 7-2 and 图 8-30.52.25V
V O(REC)Recessive output voltage Normal modeCANH and CANLSTB = 0 V, TXD = V IO 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, TXD = 250 kHz, 1 MHz, 2.5 MHz R L = 60 Ω , C SPLIT = 4.7 nF, C L = open, R CM = open 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 - CANLSTB = 0 V, TXD = 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 - CANLSTB = 0 V, TXD = 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 - CANLSTB = 0 V, TXD = 0 V R L = 2240 Ω , C L = open See 图 7-2 and 图 8-31.55V

TCAN1044AEVDRQ1 Absolute Maximum Ratings

(1) (2)

MINMAXUNIT
V CCSupply voltage- 0.36V
V IOSupply voltage I/O level shifter- 0.36V
V BUSCAN Bus I/O voltage- 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 JJunction temperature- 40175°C
T STGStorage temperature- 65150°C
  • (2) All voltage values, except differential I/O bus voltages, are with respect to ground terminal.
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- 1.5mA
I OL(RXD)RXD terminal low-level output current1.5mA
T AOperating ambient temperature-40150°C

TCAN1044AEVDRQ1 Thermal Information

(1) - THERMAL METRICTCAN1044AEV-Q1 - D (SOIC)TCAN1044AEV-Q1 - DDF (SOT)UNIT
R θ JAJunction-to-ambient thermal resistance127.5122°C /W
R θ JC(top)Junction-to-case (top) thermal resistance67.663°C /W
R θ JBJunction-to-board thermal resistance70.942.4°C /W
Ψ JTJunction-to-top characterization parameter19.32.4°C /W
Ψ JBJunction-to-board characterization parameter70.242.2°C /W
R θ JC(bot)Junction-to-case (bottom) thermal resistance----°C /W

TCAN1044AEVDRQ1 Typical Application

The TCAN1044AEV-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 IO 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
TCAN1044AEV-Q1Texas Instruments—

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