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TCAN1042HDRQ1

IC TXRX 8-SOIC

Part Number: TCAN1042HDRQ1

Manufacturer: Texas Instruments

Category: Drivers, Receivers, Transceivers

Package: 8-SOIC (0.154", 3.90mm Width)

Datasheet:: TCAN1042HDRQ1.pdf

Description: IC TXRX 8-SOIC

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PRODUCT INFORMATION

Product Details

PRODUCT TECHNICAL REFERENCE

TCAN1042HDRQ1 Automotive Fault Protected CAN FD Transceiver with Flexible Data Rate

A comprehensive technical overview of the TCAN1042HDRQ1, an AEC-Q100 Grade 1 qualified automotive CAN transceiver from Texas Instruments featuring ±70 V bus fault protection, 5 Mbps data rate support, ISO 11898-2:2016 compliance, 4.5 V to 5.5 V supply range, and extended temperature range of –55°C to 125°C. Covers device function, core features, electrical specifications, 8-lead SOIC package, pin configuration, typical applications, and replacement selection guidance.

Texas Instruments 8-SOIC 4.5V to 5.5V

Device Classification Automotive CAN FD Transceiver

Part Number: TCAN1042HDRQ1

Mounting Type: Surface Mount

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

PRODUCT OVERVIEW

What Is the TCAN1042HDRQ1?

TCAN1042HDRQ1 is an automotive-grade high-speed Controller Area Network (CAN) transceiver from Texas Instruments, part of the TCAN1042H-Q1 family. 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:0][reference:1]

The TCAN1042HDRQ1 supports both classical CAN and CAN FD (Flexible Data Rate) networks. All devices in the family support data rates up to 2 Mbps, while "G" suffix options support up to 5 Mbps.[reference:2][reference:3] The H-model provides ±70 V bus fault protection for enhanced robustness in harsh automotive and industrial environments.[reference:4][reference:5]

The device operates with a single 4.5 V to 5.5 V supply and includes a low-power standby mode with remote wake-up request capability.[reference:6] Comprehensive protection features include IEC ESD protection up to ±15 kV, thermal shutdown (TSD), undervoltage lockout (UVLO), and TXD dominant time-out (DTO).[reference:7][reference:8] The TCAN1042HDRQ1 is offered in an 8-lead SOIC (D) package with a 4.90mm × 3.90mm footprint and is rated for operation from –55°C to +125°C with a junction temperature range of –55°C to 150°C.[reference:9][reference:10][reference:11]

AEC-Q100 Grade 1 Qualified Qualified for automotive applications with –55°C to 125°C ambient temperature range.

±70 V Bus Fault Protection H-model provides enhanced bus fault protection for harsh automotive and industrial environments.

CAN FD Support Supports classical CAN and CAN FD networks with "G" option supporting up to 5 Mbps.

DEVICE HIGHLIGHTS

Key Features and Benefits of TCAN1042HDRQ1

AEC-Q100 Grade 1 Qualified

Qualified for automotive applications with ambient temperature range of –55°C to 125°C, ensuring reliable operation in demanding automotive environments.[reference:12][reference:13]

±70 V Bus Fault Protection

Provides robust protection against overvoltage events on the CAN bus, enabling reliable operation in harsh automotive and industrial environments.[reference:14][reference:15]

CAN FD Support up to 5 Mbps

Supports both classical CAN and CAN FD networks with data rates up to 5 Mbps (G option), enabling flexible and high-speed communication.[reference:16][reference:17]

Comprehensive Protection Features

Includes IEC ESD protection up to ±15 kV, thermal shutdown (TSD), undervoltage protection, TXD dominant time-out (DTO), and receiver common mode input of ±30 V.[reference:18][reference:19]

Low-Power Standby Mode

Features a low-power standby mode with remote wake-up request capability, reducing power consumption in idle states.[reference:20]

8-Lead SOIC Package

Available in a standard 8-lead SOIC (D) package with a 4.90mm × 3.90mm footprint and 2,500 units per reel.[reference:21][reference:22]

REFERENCE DATA

Technical Specifications for TCAN1042HDRQ1

Part Number	TCAN1042HDRQ1	Manufacturer	Texas Instruments
Device Type	Automotive CAN FD Transceiver	Protocol	CANbus, CAN FD[reference:23]
Number of Drivers/Receivers	1/1[reference:24]	Duplex	Half-Duplex[reference:25]
Data Rate (Max)	5 Mbps (G Option)[reference:26][reference:27]	Supply Voltage (VCC)	4.5 V to 5.5 V[reference:28]
Operating Current (Typical)	45 mA[reference:29]	Bus Fault Protection (H-Model)	±70 V[reference:30][reference:31]
ESD Protection (IEC)	±15 kV[reference:32][reference:33]	Receiver Common-Mode Input	±30 V[reference:34][reference:35]
Typical Loop Delay	110 ns[reference:36][reference:37]	Package / Case	8-SOIC (0.154", 3.90mm Width)[reference:38]
Supplier Device Package	8-SOIC[reference:39]	Package Body Size	4.90mm × 3.90mm
Lead Pitch	1.27 mm	Mounting Type	Surface Mount[reference:40]
Operating Temperature (Ambient)	-55°C to +125°C[reference:41][reference:42]	Junction Temperature	-55°C to +150°C[reference:43][reference:44]
Qualification	AEC-Q100 Grade 1[reference:45][reference:46]	Moisture Sensitivity Level	Level-1-260C-UNLIM[reference:47][reference:48]
RoHS	Yes[reference:49][reference:50]	REACH	Yes[reference:51][reference:52]
Lead Finish / Ball Material	NiPdAu[reference:53][reference:54]	US ECCN	EAR99[reference:55][reference:56]
Packaging	Tape & Reel (2,500 per Reel)[reference:57][reference:58]	Reel Diameter	330 mm[reference:59]
Device Marking	1042[reference:60]	Product Status	Active[reference:61]

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 TCAN1042HDRQ1

Power Supply & Decoupling

The TCAN1042HDRQ1 requires proper power supply design for optimal performance:

Supply Voltage: Operates with VCC from 4.5 V to 5.5 V[reference:62]
Decoupling: Place a ceramic capacitor (0.1 µF) close to the VCC pin to minimize supply noise
Low Standby Current: Low-power standby mode with remote wake-up request capability[reference:63]
Undervoltage Protection: Built-in UVLO ensures robust operation during power supply transients[reference:64][reference:65]
I/O Voltage Range: Supports 3.3 V and 5 V MCUs for flexible system integration[reference:66][reference:67]

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: The H-model provides ±70 V bus fault protection, enabling use in harsh environments[reference:68][reference:69]
ESD Protection: IEC ESD protection up to ±15 kV ensures robustness against electrostatic discharge[reference:70][reference:71]
Thermal Shutdown: Built-in TSD protects the device from overtemperature conditions[reference:72][reference:73]
TXD Dominant Time-Out: Prevents bus lock-up in case of TXD stuck-dominant fault conditions, supporting data rates down to 10 kbps[reference:74][reference:75]
Receiver Common-Mode: ±30 V common-mode input voltage for robust operation in noisy environments[reference:76][reference:77]
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

8-LEAD SOIC (4.90mm × 3.90mm)

Pin Configuration Reference for TCAN1042HDRQ1

1042

SOIC TOP VIEW

Confirm package orientation and pin numbering against the official package drawing before PCB layout. The SOIC package has 8 pins with a 4.90mm × 3.90mm body size. Device marking for the TCAN1042HDRQ1 is "1042".[reference:78]

1 TXD Transmit Data Input - Serial data input to the bus driver[reference:79]

2 GND Ground - Device ground connection[reference:80]

3 VCC Positive Power Supply - 4.5 V to 5.5 V[reference:81]

4 RXD Receive Data Output - Serial data output from the bus receiver[reference:82]

5 CANL Low-Level CAN Bus - Differential bus line (low side)[reference:83]

6 CANH High-Level CAN Bus - Differential bus line (high side)[reference:84]

7 NC No Connect - Not internally connected[reference:85]

8 STB Standby Mode Control - Active-high input for low-power standby mode[reference:86]

APPLICATION AREAS

Typical Applications for TCAN1042HDRQ1

Automotive CAN Networks

AEC-Q100 Grade 1 qualified for automotive body electronics, powertrain, and infotainment applications.[reference:87][reference:88]

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 TCAN1042HDRQ1

A replacement for the TCAN1042HDRQ1 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

Supply voltage: 4.5 V to 5.5 V

Data rate: up to 5 Mbps (G option)

Bus fault protection: ±70 V (H-model)[reference:89]

Package: 8-SOIC (D)[reference:90]

Temperature range: –55°C to 125°C[reference:91]

AEC-Q100 Grade 1 qualification[reference:92]

Protection: TSD, UVLO, TXD DTO, ESD[reference:93]

Packaging alternatives (same package, different carrier):

Part Number	Package	Carrier	SPQ	Temperature Range
TCAN1042HDRQ1	8-SOIC (D)	Tape & Reel	2,500[reference:94][reference:95]	-55°C to 125°C
TCAN1042HDQ1	8-SOIC (D)	Tube	-	-55°C to 125°C

The TCAN1042HDRQ1 is the automotive-grade AEC-Q100 tape-and-reel packaged variant of the high-speed CAN FD transceiver with ±70 V bus fault protection in 8-SOIC package (2,500 units per reel). For tube packaging, consider TCAN1042HDQ1. For non-automotive (industrial) versions, refer to the TCAN1042HDR. Select based on qualification and packaging requirements.

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MANUFACTURER INFORMATION

Texas Instruments

The TCAN1042H-Q1 (TCAN1042HDRQ1) belongs to the TCAN1042H-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:96][reference:97] The H-model provides ±70 V bus fault protection for harsh automotive and industrial environments.[reference:98][reference:99] The TCAN1042H-Q1 family is widely used in automotive CAN networks, industrial automation, heavy machinery ISOBUS applications, and telecom infrastructure.[reference:100]

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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: TCAN1042HDRQ1

Manufacturer: Texas Instruments

Package: 8-SOIC (0.154", 3.90mm Width)

Series: -

Package/Case: 8-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: -

Data Rate: 5Mbps

Voltage - Supply: 4.5V ~ 5.5V

Operating Temperature: -55°C ~ 125°C

Grade: Automotive

Qualification: AEC-Q100

Mounting Type: Surface Mount

Supplier Device Package: 8-SOIC

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Part Number: TCAN1042HDRQ1

Manufacturer: Texas Instruments

Package: 8-SOIC (0.154", 3.90mm Width)

Category: Drivers, Receivers, Transceivers

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