TCAN334GD - 3.3V 1Mbps CAN FD Transceiver | Texas Instruments
料号： TCAN334GD ✓ 量产中TCAN334GD 概述
A CAN transceiver is a physical-layer interface IC that connects a host CAN controller to a differential CAN bus. It converts logic-level TXD and RXD signals into CANH and CANL bus signals and receives the differential bus voltage for the controller. The TCAN334GD belongs to the CAN transceiver hierarchy, where a CAN bus transceiver sits between a CAN controller or microcontroller and the high-speed CAN network.
The device provides a 1/1 transmitter-to-receiver configuration, 120 mV receiver hysteresis, and a 3.3-V operating supply. Its CAN FD designation indicates support for CAN Flexible Data Rate operation, while the listed 1 Mbps maximum data rate remains an important selection constraint. The 8-pin SOIC package is surface mountable and supports compact industrial, automotive-adjacent, and embedded network designs.
The TCAN334G family is associated with high-speed CAN physical-layer operation and is compatible with the ISO 11898 physical-layer standard as described by Texas Instruments. Additional timing parameters related to CAN FD loop-delay symmetry are specified for the TCAN330G, TCAN332G, TCAN334G, and TCAN337G variants, allowing designers to evaluate signal timing alongside controller and bus requirements.
Typical uses include industrial automation controllers, electric-vehicle subsystems, building-control gateways, robotic equipment, embedded diagnostic systems, and CAN-based sensor networks. The device is most appropriate where a 3.3-V host interface and a compact 8-pin surface-mount implementation are required without sacrificing the standardized high-speed CAN physical layer.
Designers should verify the complete pin mapping, transceiver mode behavior, bus fault handling, loop-delay timing, and external termination requirements against the manufacturer datasheet before layout release. CANH and CANL require correct differential routing, a 120-ohm termination at each physical bus end, common-mode margin analysis, and protection appropriate to the installation environment.
This page combines verified manufacturer and distributor information with same-package family alternatives, application guidance, engineering considerations, and a parameter-by-parameter comparison to support faster component selection and PCB planning.
直接替换替代料： TCAN334GD ——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： TCAN334GD （相同外形与封装尺寸） ——差异在于 Package, Product Type, Supply Voltage, Bus Interface, CAN Standard Compatibility.
TCAN332D
✅ 直接替换联系询价
查看数据手册 →TCAN330D
✅ 直接替换联系询价
查看数据手册 →TCAN334GD 规格参数
| Product Type | 3.3-V CAN FD transceiver |
| Protocol | CANbus |
| Number of Drivers | 1 |
| Number of Receivers | 1 |
| Supply Voltage Range | 3 V to 3.6 V |
| Maximum Data Rate | 1 Mbps |
| Receiver Hysteresis | 120 mV |
| 工作温度范围 | -40 °C to 125 °C |
| 封装 | 8-SOIC, 3.90 mm body width |
| 引脚数 | 8 |
| 安装类型 | Surface mount |
| Manufacturer | Texas Instruments |
TCAN334GD 8-soic, 3.90 mm body width 引脚配置指南
TCAN334GD（8-soic, 3.90 mm body width 封装）的引脚配置。 引脚编号、功能和连接图在制造商数据手册中定义。请参阅该手册以了解确切的封装尺寸和焊接指南。
暂无详细引脚数据： TCAN334GD.
请参阅 数据手册 以查看完整引脚配置。
典型应用
TCAN334GD 适用于 6 应用s: Industrial Automation Controllers, Vehicle Electronics and E-Control Modules, Building Control and HVAC Networks, Robotics and Motor-Control Systems, EV Charging and Battery Systems, Embedded Diagnostic and Sensor Gateways.
Industrial Automation Controllers
TCAN334GD fits industrial automation controllers that use 3.3-V logic and a high-speed CAN fieldbus. Its 3.0 V to 3.6 V supply range, 1 Mbps data rate, and 1/1 transmitter-receiver arrangement suit compact embedded control modules, sensor gateways, and remote I/O equipment. The CAN FD-capable TCAN334G family also provides timing information needed when controllers exchange larger payloads or operate with demanding bus timing. In a typical design, TXD and RXD connect to a host controller while CANH and CANL reach a terminated fieldbus. Engineers should still verify transient protection, isolation strategy, grounding, and exact control-pin behavior in the manufacturer datasheet before exposing the transceiver to industrial surge or ground-shift conditions.
推荐
Vehicle Electronics and E-Control Modules
TCAN334GD can be used in vehicle electronic control modules where a 3.3-V controller communicates over a 1-Mbps CAN network. Its -40 °C to 125 °C rating supports the environmental range commonly encountered in automotive electronics, while the 8-SOIC package simplifies compact controller layouts. A CAN FD-capable physical layer can benefit systems moving diagnostic or control payloads beyond classical CAN frame limits. However, the verified data does not establish AEC-Q100 qualification for the standard TCAN334GD, and vehicle wiring introduces large transients and ground offsets. Production use therefore requires review of bus-fault protection, common-mode limits, ISO 11898 compliance, and the appropriate automotive qualification evidence.
推荐
Building Control and HVAC Networks
TCAN334GD is applicable to building-control equipment that uses CAN for sensors, actuators, and decentralized room controllers. The 1 Mbps maximum rate provides sufficient bandwidth for typical supervisory control traffic, while the 3.3-V supply matches many modern embedded controllers. Designers can place the transceiver between TXD and RXD controller pins and a terminated CANH/CANL network, simplifying integration into gateways, variable-refrigerant controllers, and equipment-monitoring nodes. For long cable runs, the bus should be designed for proper 120-ohm termination, balanced routing, and controlled stub lengths. Surge, ground-offset, and ESD requirements vary by installation, so protective components and grounding should be selected based on the building-network environment rather than assumed from the transceiver package alone.
推荐
Robotics and Motor-Control Systems
TCAN334GD supports compact robot controllers, motor drivers, and sensor-distribution modules that exchange commands and diagnostics over CAN. Its 8-pin SOIC format, 1/1 CAN driver-receiver configuration, and 1 Mbps maximum rate are appropriate for distributed robotic subsystems where wiring simplicity and deterministic communication matter. A controller such as a 3.3-V MCU can connect its TXD and RXD signals directly to the transceiver, while CANH and CANL carry the differential network traffic. CAN FD capability can be beneficial when motion commands, position feedback, or diagnostic records require more efficient payload transfer. Motor environments can expose the bus to large transients and ground shifts, so protection, isolated power, cable routing, and termination should be evaluated for each actuator and machine boundary.
推荐
EV Charging and Battery Systems
TCAN334GD can form part of the CAN communication interface in battery-management, charging-control, or power-distribution equipment. The 3.3-V operating supply is compatible with many controller platforms, and the -40 °C to 125 °C range is useful in thermally variable equipment environments. CAN FD-capable timing can reduce the number of transfers needed for larger status or diagnostic records, while the 1 Mbps bus rate supports standard high-speed CAN networks. The transceiver should be placed close to the controller and separated from noisy switching stages by careful grounding and layout. Engineers must evaluate galvanic isolation, transient protection, bus fault voltage, and common-mode range because traction, charging, and battery systems can expose communications hardware to severe electrical transients not represented by the basic TCAN334GD specifications.
推荐
Embedded Diagnostic and Sensor Gateways
TCAN334GD suits compact diagnostic adapters and CAN sensor gateways that bridge a 3.3-V host processor to an external vehicle or machine network. The one-transmitter, one-receiver arrangement is sufficient for a standard CAN physical layer, and the 1 Mbps rate matches common diagnostic and sensor networks. With CAN FD support identified for the TCAN334G family, gateways can transfer richer payload data when the connected controller and bus infrastructure support the corresponding timing. In implementation, place the transceiver near the connector and away from switching regulators, route CANH and CANL as a close differential pair, and provide termination at physical bus ends. EMI, ESD, isolation, and fault-recovery requirements should be tested against the connector environment and cable length.
推荐
推荐产品汇总
工程参考数据： TCAN334GD ——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 | TCAN332D | TCAN330D | TCAN337D | TCAN334D |
|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 8-SOIC (D) | 8-SOIC (D) | 8-SOIC (D) | 8-SOIC (D) | 8-SOIC (D) |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| Maximum Data Rate | 1 Mbps | 1 Mbps | 1 Mbps | 1 Mbps | 1 Mbps |
关键差异点
- CAN FD-specific family positioning （对比 TCAN332D)
- Verified maximum data-rate target （对比 TCAN330D)
- Single-transceiver integrated interface （对比 TCAN337D)
- Same-package family reuse （对比 TCAN334D)
设计说明
Place the TCAN334GD close to the CAN connector and route CANH and CANL as a tightly coupled differential pair on the same PCB layer. Avoid routing the pair across plane splits or through unprotected stubs. Keep switching-regulator loops, motor-drive outputs, and high-current return paths away from the communication area. Use a solid ground reference beneath the pair where practical, and place any external protection or filter components symmetrically so differential-mode distortion is minimized.
Decouple the 3.0 V to 3.6 V transceiver supply close to the device with the capacitance and placement recommended by the manufacturer datasheet. The 3.6 V maximum supply leaves little tolerance above a nominal 3.3 V rail, so verify regulator startup overshoot, source impedance, noise, and tolerance across temperature. Place a local bulk capacitor for transient support and a high-frequency ceramic capacitor adjacent to the supply pins, while keeping the return path short and free of switching-current loops.
Do not treat the SOIC package as sufficient evidence that any TCAN33x variant is a drop-in replacement. Compare TXD and RXD logic behavior, mode-control pins, CAN FD timing, loop-delay symmetry, receiver hysteresis, common-mode range, and bus-fault handling against the target design. Also verify the exact ordering code and termination arrangement. The four family alternatives presented here are candidates for engineering review, but each must be approved using the current manufacturer datasheet before substitution.
A high-speed CAN network normally uses nominal 120-ohm termination at each physical bus end. Avoid placing unnecessary termination at every node, and avoid long unterminated stubs because they can create reflections and degrade edge quality. For long cables or noisy machinery environments, evaluate split termination, common-mode chokes, protection devices, isolation, and connector-level surge requirements. Validate the completed bus with an oscilloscope using a differential probe across CANH and CANL.
合规信息
The supplied verified excerpts identify Texas Instruments as the manufacturer but do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These fields remain unknown rather than assumed.
