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TCAN1043HDRQ1

IC TRANSCEIVER 1/1 14SOIC

Part Number: TCAN1043HDRQ1

Manufacturer: Texas Instruments

Category: Drivers, Receivers, Transceivers

Package: 14-SOIC (0.154", 3.90mm Width)

Datasheet:: TCAN1043HDRQ1.pdf

Description: IC TRANSCEIVER 1/1 14SOIC

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PRODUCT INFORMATION

Product Details

PRODUCT TECHNICAL REFERENCE

TCAN1043HDRQ1 Automotive 70-V Bus Fault Protected CAN FD Transceiver with Wake Input

A comprehensive technical overview of the TCAN1043HDRQ1, an automotive-grade CAN FD transceiver from Texas Instruments featuring ±70 V bus fault protection, 2 Mbps data rate support, AEC-Q100 Grade 1 qualification, VIO level shifting from 2.8 V to 5.5 V, multiple low-power modes with wake-up capability, and extended temperature range of –55°C to 125°C. Covers device function, core features, electrical specifications, 14-lead SOIC package, pin configuration, typical applications, and replacement selection guidance.

Texas Instruments 14-SOIC 4.5V to 5.5V

Device Classification Automotive CAN FD Transceiver

Part Number: TCAN1043HDRQ1

Mounting Type: Surface Mount

Operating Temperature Range: -55°C to +125°C

PRODUCT OVERVIEW

What Is the TCAN1043HDRQ1?

TCAN1043HDRQ1 is an automotive-grade high-speed Controller Area Network (CAN) transceiver from Texas Instruments, part of the TCAN1043H-Q1 family. The device is AEC-Q100 Grade 1 qualified for automotive applications and meets the ISO 11898-2 (2016) physical layer standard.[reference:0][reference:1]

The TCAN1043HDRQ1 supports both classical CAN and CAN FD (Flexible Data Rate) networks with data rates up to 2 Mbps. The "H" variant provides ±70 V bus fault protection for enhanced robustness in harsh automotive and industrial environments.[reference:2][reference:3]

The device operates with a single 4.5 V to 5.5 V supply and features VIO level shifting supporting 2.8 V to 5.5 V for direct interface with 3.3 V or 5 V controllers.[reference:4][reference:5] Multiple low-power modes include standby and sleep modes with INH output and local/remote wake-up request capability. Comprehensive protection features include IEC ESD protection up to ±8 kV on bus terminals, undervoltage lockout (UVLO), TXD dominant time-out (DTO) supporting data rates down to 9.2 kbps, and thermal shutdown protection (TSD).[reference:6] The TCAN1043HDRQ1 is offered in a 14-lead SOIC (D) package and is rated for operation from –55°C to +125°C with junction temperature range up to 150°C.[reference:7][reference:8] The device is RoHS compliant, REACH unaffected, and in active production.[reference:9]

Automotive CAN FD Transceiver AEC-Q100 Grade 1 qualified, ISO 11898-2 (2016) compliant, supporting classical CAN and 2 Mbps CAN FD.[reference:10]

±70 V Bus Fault Protection H-model provides robust bus fault protection for harsh automotive and industrial environments.[reference:11]

Multiple Low-Power Modes Standby and sleep modes with INH output and local/remote wake-up capability for system-level power reduction.[reference:12]

DEVICE HIGHLIGHTS

Key Features and Benefits of TCAN1043HDRQ1

AEC-Q100 Grade 1 Qualified

Qualified for automotive applications with ambient temperature range of –55°C to 125°C, HBM ESD classification of ±16 kV, and CDM ESD classification of ±1500 V.[reference:13]

±70 V Bus Fault Protection

H-model provides ±70 V bus fault protection, enabling robust operation in harsh automotive and industrial environments prone to overvoltage events.[reference:14]

CAN FD Support up to 2 Mbps

Supports both classical CAN and CAN FD networks with data rates up to 2 Mbps, enabling flexible and high-speed communication.[reference:15]

Multiple Low-Power Modes

Features standby and sleep modes with INH output for system-level power reduction, plus local and remote wake-up request capability.[reference:16]

VIO Level Shifting

VIO terminal supports 2.8 V to 5.5 V for direct interface with 3.3 V or 5 V controllers, eliminating the need for external level shifters.[reference:17]

14-Lead SOIC Package

Available in a standard 14-lead SOIC (D) package with 2,500 units per reel, ideal for automotive and industrial CAN applications.[reference:18]

REFERENCE DATA

Technical Specifications for TCAN1043HDRQ1

Part Number	TCAN1043HDRQ1	Manufacturer	Texas Instruments
Device Type	Automotive CAN FD Transceiver	Protocol	CANbus, CAN FD[reference:19]
Number of Drivers/Receivers	1/1[reference:20]	Duplex	Half
Data Rate (Max)	2 Mbps[reference:21][reference:22]	Supply Voltage (VCC)	4.5 V to 5.5 V[reference:23][reference:24]
VIO Supply Voltage	2.8 V to 5.5 V[reference:25]	Bus Fault Protection	±70 V (H-Model)[reference:26]
IEC ESD Protection (Bus)	±8 kV[reference:27]	HBM ESD Classification	±16 kV[reference:28]
CDM ESD Classification	±1500 V[reference:29]	Receiver Common-Mode Input	±30 V[reference:30]
Receiver Hysteresis	50 mV[reference:31]	Typical Loop Delay	110 ns[reference:32]
Quiescent Supply Current	15 µA[reference:33][reference:34]	Qualification	AEC-Q100 Grade 1[reference:35][reference:36]
Package / Case	14-SOIC (0.154", 3.90mm Width)[reference:37]	Supplier Device Package	14-SOIC[reference:38]
Package Body Size	8.65mm × 3.90mm	Mounting Type	Surface Mount[reference:39]
Operating Temperature (Ambient)	-55°C to +125°C[reference:40][reference:41]	Junction Temperature	-55°C to +150°C[reference:42]
Moisture Sensitivity Level	Level-1-260C-UNLIM	RoHS	Yes
REACH Status	Unaffected	Lead Finish / Ball Material	NiPdAu
Packaging	Tape & Reel (2,500 per Reel)[reference:43]	Reel Diameter	330 mm
Product Status	Active[reference:44]	ECCN	EAR99
Functional Safety	Functional Safety-Capable[reference:45]	Grade	Automotive[reference:46]

Electrical values shown above are reference values. Test conditions, limits, and guaranteed performance should always be confirmed from the current official manufacturer datasheet before design or production use.

DESIGN REFERENCE

Circuit Considerations for TCAN1043HDRQ1

Power Supply & Operating Modes

The TCAN1043HDRQ1 offers multiple operating modes for power optimization:

Normal Mode: Active transceiver operation for CAN communication.[reference:47]
Standby Mode: Low-power mode with INH output and local/remote wake-up request capability.[reference:48]
Sleep Mode: Ultra-low power sleep mode with INH output and local/remote wake-up request.[reference:49]
Supply Voltage: VCC from 4.5 V to 5.5 V; VIO level shifting supports 2.8 V to 5.5 V.[reference:50][reference:51]
Passive Behavior: When unpowered, bus and logic terminals are high impedance with no load to operating bus or application.[reference:52]
Hot-Plug Capable: Glitch-free power up and down operation on bus and RXD output.[reference:53]

PCB and Signal Integrity Guidance

CAN transceiver performance depends on layout and signal routing:

Bus Termination: Proper termination resistors (120 Ω) are required at both ends of the CAN bus for impedance matching.
Bus Fault Protection: ±70 V bus fault protection enables use in harsh automotive and industrial environments.[reference:54]
ESD Protection: IEC ESD protection of ±8 kV on bus terminals and ±16 kV HBM ESD classification provide system-level robustness.[reference:55][reference:56]
Driver Dominant Time-Out (TXD DTO): Prevents bus lock-up in case of TXD stuck-dominant fault conditions, supporting data rates down to 9.2 kbps.[reference:57]
Thermal Shutdown (TSD): Built-in protection disables the driver when junction temperature exceeds safe limits.[reference:58]
Undervoltage Lockout (UVLO): Protects against undervoltage conditions on supply terminals.[reference:59]
Receiver Common-Mode: ±30 V common-mode input voltage for robust operation in noisy environments.[reference:60]
Ground Plane: Use a solid ground plane to minimize noise and ensure low-inductance return paths.
Verify the recommended PCB footprint from the official datasheet prior to production.

14-LEAD SOIC (8.65mm × 3.90mm)

Pin Configuration Reference for TCAN1043HDRQ1

TCAN1043

SOIC TOP VIEW

Confirm package orientation and pin numbering against the official package drawing before PCB layout. The SOIC (D) package has 14 pins with an 8.65mm × 3.90mm body size.

1 TXD Transmit Data Input - Serial data input to the bus driver

2 GND Ground - Device ground connection

3 VCC Positive Power Supply - 4.5 V to 5.5 V

4 RXD Receive Data Output - Serial data output from the bus receiver

5 VIO I/O Level Shifting Supply - 2.8 V to 5.5 V

6 EN Enable - Controls device operating mode

7 nFAULT Fault Output - Active-low fault indicator

8 INH Inhibit Output - Controls external voltage regulators

9 WAKE Wake Input - Local wake-up request input

10 nSTB Standby Control - Active-low standby mode control

11 VSUP Battery Supply - Input for battery voltage monitoring

12 CANH High-Level CAN Bus - Differential bus line (high side)

13 CANL Low-Level CAN Bus - Differential bus line (low side)

14 GND Ground - Device ground connection

APPLICATION AREAS

Typical Applications for TCAN1043HDRQ1

Automotive CAN Networks

AEC-Q100 Grade 1 qualified for automotive body electronics, powertrain, and infotainment applications.[reference:61][reference:62]

Industrial Automation

Provides robust CAN communication for industrial control, sensors, and drive systems.

Heavy Machinery & ISOBUS

Suitable for heavy machinery ISOBUS applications and ISO 11783 compliant systems.

Building & Security Automation

Supports building management systems, security nodes, and temperature control automation.

Telecom Base Stations

Provides CAN communication for status and control in telecom infrastructure.

Medical Equipment

Enables robust data acquisition and communication in medical instrumentation.

REPLACEMENT GUIDANCE

Selecting an Alternative for TCAN1043HDRQ1

A replacement for the TCAN1043HDRQ1 should not be selected solely by product category. The electrical characteristics, package, and pin configuration must be evaluated against the specific circuit requirements. The following alternatives are documented in the official Texas Instruments datasheet and product pages.

Automotive CAN FD transceiver with 1 driver / 1 receiver[reference:63]

Supply voltage: 4.5 V to 5.5 V, VIO: 2.8 V to 5.5 V[reference:64][reference:65]

Data rate: up to 2 Mbps (Classic CAN and CAN FD)[reference:66]

Bus fault protection: ±70 V (H-model)[reference:67]

Package: 14-SOIC (D)[reference:68]

Temperature range: –55°C to 125°C (Grade 1)[reference:69]

AEC-Q100 Grade 1 qualification[reference:70]

Multiple low-power modes with wake-up[reference:71]

Packaging alternatives (same package, different carrier):

Part Number	Package	Carrier	SPQ	Temperature Range
TCAN1043HDRQ1	14-SOIC (D)	Tape & Reel	2,500[reference:72]	-55°C to 125°C[reference:73]
TCAN1043HDQ1	14-SOIC (D)	Tube	50	-55°C to 125°C
TCAN1043HGDRQ1	14-SOIC (D)	Tape & Reel	2,500	-55°C to 125°C
TCAN1043HGDMTTQ1	14-VSON (DMT)	Tape & Reel	250	-55°C to 125°C

The TCAN1043HDRQ1 is the tape-and-reel packaged variant (2,500 units per reel) of the CAN FD transceiver with ±70 V bus fault protection in 14-SOIC (D) package. For tube packaging in the same package, refer to TCAN1043HDQ1. For 5 Mbps CAN FD capability, refer to the "G" option variants (TCAN1043HGDRQ1). For a smaller footprint option with wettable flanks for improved AOI capability, TCAN1043HGDMTTQ1 (250 units per reel) is available in 14-VSON (DMT) package. Select based on data rate, package, and packaging requirements.[reference:74]

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MANUFACTURER INFORMATION

Texas Instruments

The TCAN1043H-Q1 (TCAN1043HDRQ1) belongs to the TCAN1043H-Q1 family of automotive CAN FD transceivers from Texas Instruments. The device is AEC-Q100 Grade 1 qualified for automotive applications and meets the ISO 11898-2 (2016) and ISO 11898-5:2007 physical layer standards.[reference:75][reference:76] The H-model provides ±70 V bus fault protection for harsh automotive and industrial environments.[reference:77] The TCAN1043H-Q1 family supports system-level reduction in battery current consumption by selectively enabling various power supplies via the INH output pin.[reference:78] The device includes internal logic level translation via the VIO terminal to allow for interfacing directly to 3.3V or 5V controllers.[reference:79] The TCAN1043H-Q1 is available in 14-SOIC (D) and 14-VSON (DMT) packages and is widely used in automotive CAN networks, industrial automation, heavy machinery ISOBUS applications, and telecom infrastructure.

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Technical Information Disclaimer

This technical guide is provided for product identification and preliminary reference only. Electrical limits, package dimensions, pin configuration, product status, and application suitability must be verified using current official manufacturer documentation before design, procurement, or production.

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Specifications

Product Attribute: Attribute Value

Part Number: TCAN1043HDRQ1

Manufacturer: Texas Instruments

Package: 14-SOIC (0.154", 3.90mm Width)

Series: -

Package/Case: 14-SOIC (0.154", 3.90mm Width)

Packaging: Tape & Reel (TR)

Product Status: Active

Type: Transceiver

Protocol: CANbus

Number of Drivers/Receivers: 1/1

Duplex: -

Receiver Hysteresis: 50 mV

Data Rate: 2Mbps

Voltage - Supply: 4.5V ~ 5.5V

Operating Temperature: -55°C ~ 125°C

Grade: Automotive

Qualification: AEC-Q100

Mounting Type: Surface Mount

Supplier Device Package: 14-SOIC

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Part Number: TCAN1043HDRQ1

Manufacturer: Texas Instruments

Package: 14-SOIC (0.154", 3.90mm Width)

Category: Drivers, Receivers, Transceivers

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