TJA1145A-EVB - TJA1145A High-Speed CAN Transceiver Evaluation Board | NXP
料号： TJA1145A-EVB ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $88.93 | $88.93 |
| 5 | $82.5 | $412.50 |
| 10 | $76.2 | $762.00 |
| 25 | $72.64 | $1,816.00 |
| 50 | $68.1 | $3,405.00 |
TJA1145A-EVB 概述
A CAN transceiver is the physical-layer interface between a microcontroller's CAN protocol controller and the differential CAN bus. The TJA1145A supports classic CAN and CAN FD at data rates up to 5 Mbit/s, with selective wake-up and partial networking that lets an ECU remain quiescent on the bus until addressed, an important feature for automotive networks that must stay electrically present but draw micro-amps when idle. The transceiver is AEC-Q100 qualified, operates from a 4.5 V to 28 V supply (with 40 V load-dump tolerance), and integrates bus fault diagnostics.
Key features exposed on the EVB include the high-speed CAN bus drivers, integrated 5 V LDO output for the host MCU, SPI register access for partial-networking configuration, hardware reset and wake inputs, and pin-selectable CAN HS or CAN FD modes. The board exposes the CANH/CANL differential pair on screw terminals for direct connection to a real bus or a CAN analyzer. Two user LEDs reflect TX/RX activity and power status.
Typical applications include rapid prototyping of automotive body controllers, gateway ECUs, partial-networking nodes, industrial CAN-FD sensor backbones, and bench characterization of TJA1145A sleep current, wake-up timing, and bus fault behavior. The EVB lets engineers evaluate algorithm, register map, and bus behavior before committing to a PCB spin.
Design consideration: when measuring sleep or standby current on the EVB, isolate the USB-to-SPI bridge supply so its quiescent draw does not mask the TJA1145A's microamp-level sleep signature. The board's Arduino Uno headers supply the host MCU; check jumper settings so the MCU is not back-powered through the SPI lines.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： TJA1145A-EVB ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
TJA1445A-EVB
✅ 直接替换📋 参考替代料（不在目录中）
TJA1152-EVB
✅ 直接替换📋 参考替代料（不在目录中）
TJA1153-EVB
✅ 直接替换📋 参考替代料（不在目录中）
TJA1145A-EVB 规格参数（制造商发布）
| Product Type | Evaluation / Development Board |
| Supported Device | TJA1145A high-speed CAN transceiver |
| 功能 | CAN FD transceiver evaluation with partial networking |
| Bus Protocol | CAN, CAN FD up to 5 Mbit/s |
| Host Interface | SPI (via on-board USB-to-SPI bridge or Arduino Uno headers) |
| Bus Interface | Differential CANH, CANL on screw terminals |
| 电源电压 | 4.5 V to 28 V (per TJA1155A device rating) |
| Arduino Compatibility | Pin-compatible with Arduino Uno headers |
| NXP EVB Family Compatibility | Drop-in compatible with S32K1xx evaluation boards |
| On-board CAN Termination | 120 ohm, jumper-selectable |
| Status Indicators | Power LED, TX/RX activity LEDs |
| 工作温度 | -40C to +125C (per TJA1145A device) |
| Board Form Factor | Arduino Uno shield-style PCB |
| Manufacturer | NXP Semiconductors |
| RoHS 状态 | Compliant (per NXP product page) |
TJA1145A-EVB 接口与连接器
TJA1145A-EVB 提供制造商发布的以下接口和连接器：功率输入, 扩展 / 总线。扩展排针引脚定义、连接器引脚编号和电气限值在制造商文档中定义。
| 功率输入 | 4.5 V to 28 V (per TJA1155A device rating) |
| 扩展 / 总线 | 120 ohm, jumper-selectable |
请参阅 制造商文档 以查看完整的扩展排针引脚和连接器引脚编号。
功率与热特性
| 功率输入 | 4.5 V to 28 V (per TJA1155A device rating) |
| 工作温度 | -40C to +125C (per TJA1145A device) |
TJA1145A-EVB 的功率输入和热参数（由制造商发布）。
典型应用
TJA1145A-EVB 适用于 6 应用s: Automotive Body Controller CAN-FD Node Prototyping, Partial-Networking Selective Wake-Up Evaluation, Industrial CAN-FD Sensor Backbone Development, Automotive Gateway ECU Development, Bench Characterization of Bus Fault and EMC, Register-Map and Driver Development Reference.
Automotive Body Controller CAN-FD Node Prototyping
The TJA1145A-EVB lets automotive engineers prototype a CAN-FD body-control node in hours rather than weeks. The TJA1145A's 5 Mbit/s CAN-FD support, AEC-Q100 Grade 1 qualification, and 4.5 V to 28 V supply (40 V load-dump tolerant) match the harsh electrical environment of a 12 V automotive bus. Stacking the EVB onto a S32K1xx EVB provides a complete node stack with the TJA1145A physical layer, the S32K1 MCU, and partial-networking software to verify selective-wake behavior against a real body controller network.
推荐
Partial-Networking Selective Wake-Up Evaluation
The TJA1145A-EVB is purpose-built for evaluating NXP's partial-networking selective wake-up, which lets an ECU stay quiescent on the bus until addressed with a matching wake-up frame. The on-board USB-to-SPI bridge exposes the TJA1145A's register map so engineers can configure wake identifiers and measure sleep current down to the device's microamp-level quiescent draw. Compared to a discrete transceiver, the EVB isolates the TJA1145A's partial-networking supply so accurate standby measurements are possible.
推荐
Industrial CAN-FD Sensor Backbone Development
Industrial CAN-FD backbones for machinery, robotics, and process control benefit from the TJA1145A-EVB's 5 Mbit/s throughput and AEC-Q100 ruggedness. The board's 120-ohm jumper-selectable termination and screw-terminal CANH/CANL access let engineers attach it to a real industrial bus segment and capture traffic with a CAN analyzer. Stacking it onto a S32K1xx EVB delivers a complete CAN-FD sensor node with deterministic latency for control loops.
推荐
Automotive Gateway ECU Development
Gateway ECUs that bridge CAN, CAN-FD, and other in-car buses can be prototyped using a TJA1145A-EVB per CAN channel. The EVB's SPI control interface allows a host MCU to configure the TJA1145A's filters, wake identifiers, and bus-fault diagnostics independently per channel, replicating gateway behavior. Compared to a discrete bench setup, the EVB provides a production-representative reference for the TJA1145A's bus-fault tolerance and loopback diagnostic modes.
推荐
Bench Characterization of Bus Fault and EMC
Bench characterization of CAN bus fault behavior (short to battery, short to ground, loss of termination) is a primary use of the TJA1145A-EVB. Engineers can inject faults on the screw terminals and observe the TJA1145A's diagnostic registers via SPI, while the on-board LEDs reflect TX/RX activity and power status. The TJA1145A's AEC-Q100 Grade 1 EMC performance and integrated bus fault protection make the EVB a reliable platform for validating fault-handling firmware.
推荐
Register-Map and Driver Development Reference
Driver and firmware teams use the TJA1145A-EVB as a reference platform when writing SPI register-access drivers for the TJA1145A. The USB-to-SPI bridge lets a PC read and write every TJA1145A register without an external MCU, which shortens bring-up of the partial-networking and selective-wake code before integration with application firmware. Compared to point-to-point wiring, the EVB provides clean signal integrity and a known-good schematic.
推荐
推荐产品汇总
工程参考数据： TJA1145A-EVB ——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 | TJA1445A-EVB | TJA1152-EVB | TJA1153-EVB |
|---|---|---|---|---|
| Package | Arduino Uno shield (EVB) | Arduino Uno shield (EVB) - same | Arduino Uno shield (EVB) - same | Arduino Uno shield (EVB) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Underlying Transceiver IC | TJA1145A (HS CAN, partial networking) | TJA1445A (next-gen HS CAN) | TJA1152 (HS CAN with 5V LDO) | TJA1153 (HS CAN, no partial NW) |
| CAN FD Support | Yes, up to 5 Mbit/s | Yes, up to 5 Mbit/s | Yes, up to 5 Mbit/s | Yes, up to 5 Mbit/s |
| Partial Networking | Yes (selective wake-up) | Yes (selective wake-up) | No | No |
| AEC-Q100 Grade | Grade 1 | Grade 1 | Grade 1 | Grade 1 |
| Supply Voltage | 4.5 V to 28 V (40 V load-dump) | 4.5 V to 28 V | 4.5 V to 28 V | 4.5 V to 28 V |
| Arduino Uno Compatible | Yes | Yes | Yes | Yes |
| S32K1xx EVB Compatible | Yes | Yes | Yes | Yes |
| On-board USB-to-SPI | Yes | Yes | Yes | Yes |
关键差异点
- Evaluates TJA1145A with full partial-networking and selective wake-up （对比 TJA1152-EVB)
- Drop-in Arduino Uno pinout for S32K1xx EVBs （对比 TJA1445A-EVB)
- Mature TJA1145A silicon with extensive automotive field history （对比 TJA1153-EVB)
设计说明
When measuring the TJA1145A's sleep current on the EVB, isolate the USB-to-SPI bridge supply using the on-board jumper so its mA-level quiescent draw does not mask the TJA1145A's microamp-level sleep signature. According to the NXP datasheet, the TJA1145A's selective wake-up sleep current is in the low microamp range; without isolation, the measurement is dominated by the bridge IC.
Verify the EVB's 120-ohm termination jumper before attaching to a real CAN bus. A live bus already terminated at both ends will produce a parallel-resistance fault if the EVB's termination is also enabled. According to the EVB user manual, the termination jumper is the only bus-impedance setting; default is enabled for standalone bench use and should be disabled when stacking onto a bus that already has termination.
Do not back-power the EVB through the Arduino Uno SPI pins when the host MCU board is also supplying the bus. According to the NXP TJA1145A-EVB datasheet, jumper settings control which rail feeds the TJA1145A; check the supply-source jumper so the EVB and host do not source current into each other through the SPI lines, especially when measuring low sleep currents.
合规信息
RoHS and REACH compliance per NXP product page. AEC-Q100 qualification applies to the underlying TJA1145A transceiver IC, not the EVB PCB itself.