TCAN1051-Q1 - Automotive Fault-Protected CAN FD Transceiver | Texas Instruments
料号： TCAN1051-Q1 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1.85 | $1.85 |
| 10 | $1.6 | $16.00 |
| 100 | $1.35 | $135.00 |
| 500 | $1.2 | $600.00 |
| 1,000 | $1.05 | $1,050.00 |
TCAN1051-Q1 概述
A CAN transceiver is the physical-layer interface between a CAN protocol controller (MCU) and the two-wire differential CAN bus. In the automotive hierarchy, the CAN bus connects ECUs such as engine control, body control, and infotainment modules. The transceiver converts TXD/RXD logic signals from the MCU into differential CANH/CANL signals on the bus and provides bus fault protection.
Key features include high on-chip IEC ESD protection, silent mode for reduced power consumption, and AEC-Q100 automotive qualification. The device is designed for harsh automotive environments, with fault protection that withstands bus transients. The flexible data-rate option enables CAN FD networks up to 5 Mbps, making it suitable for modern vehicle architectures that require higher bandwidth.
The TCAN1051 family uses a robust physical-layer design with protection diodes and a dominant time-out function, ensuring reliability under bus shorts and high-voltage transients. The device supports both 5 V and (in V variants) 3.3 V I/O reference voltage, allowing direct interface with low-voltage microcontrollers.
Typical applications include automotive body control modules, battery management systems, powertrain control, and industrial automation networks. The TCAN1051-Q1 is also widely used in diagnostics (OBD-II) and infotainment systems.
Design consideration: ensure proper termination (120 ohm) and place TVS diodes and bus filtering capacitors close to the on-board connectors to prevent transient events from propagating into the PCB.
直接替换替代料： TCAN1051-Q1 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： TCAN1051-Q1 （相同外形与封装尺寸） ——差异在于 Package, Function, Automotive Qualification, Data Rate, Protocol.
快速对比工具——选择替代料号进行并排对比：
TCAN1051DQ1
✅ 直接替换📋 参考替代料（不在目录中）
TCAN1051G-Q1
✅ 直接替换📋 参考替代料（不在目录中）
TCAN1051HVDRQ1
✅ 直接替换📋 参考替代料（不在目录中）
TCAN1042GVDRQ1
✅ 直接替换✓ 有现货
$0.349 / 个
查看数据手册 →TJA1051T/3/1
✅ 直接替换✓ 有现货
$0.4102 / 个
查看数据手册 →TLE9251V
✅ 直接替换📋 参考替代料（不在目录中）
NCV7342
✅ 直接替换📋 参考替代料（不在目录中）
TCAN1051-Q1 规格参数
| Type | CAN Transceiver |
| Protocol | ISO 11898-2 (2016) High-Speed CAN |
| Data Rate (base) | Up to 2 Mbps |
| Data Rate (G suffix) | Up to 5 Mbps |
| Secondary I/O Supply (V suffix) | Yes - secondary power supply input for I/O voltage |
| Fault Protection | High on-chip IEC ESD protection; external TVS optional |
| 封装 | 8-SOIC |
| 安装类型 | Surface Mount |
| Qualification | Automotive (AEC-Q100) |
| Number of Drivers/Receivers | 1/1 |
| 功能 | Fault-protected CAN transceiver with flexible data-rate and sleep mode |
| RoHS | Compliant |
TCAN1051-Q1 引脚配置
| 引脚 1 | TXD — Driver input from MCU |
| 引脚 2 | GND — Ground |
| 引脚 3 | VCC — Supply voltage |
| 引脚 4 | RXD — Receiver output to MCU |
| 引脚 5 | VIO — I/O supply reference (V variants); NC for non-V |
| 引脚 6 | CANL — CAN low bus line |
| 引脚 7 | CANH — CAN high bus line |
| 引脚 8 | S — Silent mode control input |
典型应用
TCAN1051-Q1 适用于 6 应用s: Automotive Body Electronics, Battery Management Systems, Industrial Automation, Powertrain Control, On-Board Diagnostics (OBD-II), Infotainment and Telematics.
Automotive Body Electronics
TCAN1051-Q1 provides the physical CAN interface for body control modules (BCM), door/seat modules, and lighting controllers. Its high on-chip IEC ESD protection and fault tolerance to bus transients ensure reliable communication in the harsh automotive electrical environment. The device's silent mode helps reduce current draw when the vehicle is parked. Recommended companion MCU: TMS320F280040C-Q1 for CAN communication.
推荐
Battery Management Systems
BMS topologies use CAN to transmit cell voltage, temperature, and state-of-charge data between battery management ICs and the main ECU. TCAN1051-Q1's AEC-Q100 qualification and ISO 11898-2 compliance make it suitable for automotive BMS nodes. It supports up to 2 Mbps CAN FD, allowing faster data transfer. Pair with BQ79616PAPRQ1 battery monitor for a complete solution.
推荐
Industrial Automation
In industrial robots, PLCs, and factory automation, CAN networks connect sensors and actuators over a robust differential bus. TCAN1051-Q1's fault protection and wide operating temperature handle noisy industrial environments. While not specified for industrial temperature, the automotive qualification implies robust performance. Recommended companion: ISO1042 isolated CAN transceiver for galvanic isolation.
推荐
Powertrain Control
Powertrain ECUs (engine, transmission, hybrid) require fault-tolerant CAN transceivers for real-time control. TCAN1051-Q1 meets ISO 11898-2:2016, supports 2 Mbps CAN FD for high-throughput parameter exchange, and has silent mode for diagnostics. Its SOIC-8 package is small enough for dense ECU layouts. Recommended MCU: TMS320F280037C-Q1 with integrated CAN controller.
推荐
On-Board Diagnostics (OBD-II)
OBD-II systems use the CAN bus for emissions and diagnostics. TCAN1051-Q1 is an ideal physical-layer PHY due to its compliance with automotive CAN standards and high ESD protection. It can operate in silent mode during diagnostic sessions to avoid disrupting vehicle communication. Recommended companion: TJA1051T/3/1 or TCAN1051 variants for dual-bus designs.
推荐
Infotainment and Telematics
Infotainment head units and telematics modems use CAN for communication with vehicle displays, audio systems, and connectivity modules. TCAN1051-Q1's flexible data rate supports high-speed data streaming, while its automotive qualification ensures reliability. The V-suffix variant with VIO allows interfacing with 3.3V application processors. Recommended companion: AM62A1-Q1 automotive SoC.
推荐
推荐产品汇总
工程参考数据： TCAN1051-Q1 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | TCAN1042GVDRQ1 | TJA1051T/3/1 | TLE9251V |
|---|---|---|---|---|
| Package | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| Brand | Texas Instruments | Texas Instruments | NXP Semiconductors | Infineon |
| Data Rate | Up to 2 Mbps (5 Mbps with G suffix) | Up to 5 Mbps | Up to 1 Mbps | Up to 1 Mbps |
| Operating Mode | Silent mode | Standby mode | Standby mode | Standby mode |
| AEC-Q100 | Yes | Yes | Yes | Yes |
关键差异点
- Supports CAN FD up to 2 Mbps (5 Mbps with G suffix) （对比 NXP TJA1051T/3/1)
- High on-chip IEC ESD protection （对比 onsemi NCV7342)
- Flexible variant options (VIO and speed) （对比 Infineon TLE9251V)
设计说明
Place TVS diodes and bus filtering capacitors as close to the on-board connectors as possible to prevent noisy transient events from propagating further into the PCB and system. Use a 120-ohm termination resistor at each end of the CAN bus.
Keep the CAN bus lines twisted and routed away from high-current switching nodes. Maintain proper ground planes and use a single-point ground for the transceiver. The differential nature of CAN rejects common-mode noise, but good layout is essential to preserve signal integrity.
The SOIC-8 package has moderate thermal dissipation. Ensure copper pours around the GND pin to help heat spreading. In high-density automotive ECUs, monitor junction temperature under continuous bus traffic, as the transceiver's current draw is low but can rise during bus fault conditions.
合规信息
Automotive AEC-Q100 qualified. RoHS compliant per TI product page. Halogen-free status not explicitly confirmed.
