TJA1448BT/0Z - Dual 5Mbps CAN FD Transceiver | NXP
부품 번호: TJA1448BT/0Z ✓ 활성TJA1448BT/0Z 개요
A CAN transceiver is the physical-layer interface between a digital CAN or CAN FD controller and a differential two-wire bus. It converts controller logic levels into CAN bus signals and reconstructs received bus information for the controller. Within the power-management and semiconductor hierarchy, the TJA1448 belongs to the CAN interface IC class, supports ISO 11898-2:2016 physical-layer operation, and is interoperable with high-speed CAN systems.
The TJA1448BT/0Z includes Normal and Standby operating modes, low-power operation, wake-up support, transmitter-dominant timeout, electrostatic-discharge protection, undervoltage protection, and thermal shutdown protection. Its VIO interface allows direct connection to either 3.3 V or 5 V microcontrollers, reducing the need for level-shifting circuitry when the transceiver and controller use different logic voltages.
The device supports Classical CAN and CAN FD signaling at data rates up to 5 Mbit/s. Two integrated channels make it suitable for systems that need two CAN bus connections without using separate single-channel transceivers. Its high-temperature operating range supports industrial, automotive, and communications equipment where the ambient enclosure temperature may substantially exceed conventional commercial limits.
Typical uses include automotive body and powertrain electronics, industrial automation equipment, building automation gateways, CAN-based sensors, robotics, and embedded control systems. In a dual-channel installation, each channel connects to a separate CAN FD controller interface and its associated differential bus wiring while sharing the device supply and operating-mode controls.
Designers should preserve the datasheet-defined decoupling and bus-termination layout, validate logic compatibility at VIO, and verify that the PCB footprint matches the 14-pin SOIC outline. The standby and wake-up functions should be checked against the controller's power-management strategy so the remote node can enter low-power operation without preventing required bus communication.
This page combines the manufacturer identification, package and feature information, replacement context, comparison parameters, and application-oriented design guidance into a concise engineering reference for selecting and implementing the TJA1448BT/0Z.
드롭인 대체품: TJA1448BT/0Z — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: TJA1448BT/0Z (동일 폼 팩터 및 풋프린트) — 차이점: Mounting Type, Number of Channels, Package.
TJA1059TK
✅ 드롭인가격 문의
데이터시트 보기 →TJA1448BT/0Z 사양
| Product Type | Dual CAN FD transceiver |
| Number of Channels | 2 channels |
| Maximum CAN FD Data Rate | 5 Mbit/s |
| Supply Voltage Range | 4.5 V to 5.5 V |
| VIO Logic Voltage | 3.3 V or 5 V |
| 동작 온도 범위 | -40°C to +150°C |
| 패키지 | 14-pin SOIC |
| 실장 유형 | Surface mount |
| Bus Interface | Two-wire differential CAN bus |
| Protocol Support | Classical CAN and CAN FD |
| Physical Layer Standard | ISO 11898-2:2016 |
| Automotive Interface Standards | SAE J2284-1 through SAE J2284-5 |
| Operating Modes | Normal and Standby modes |
| Low-Power Feature | Low-power mode with wake-up function |
| Fault Protection | ESD protection, undervoltage protection, and thermal shutdown protection |
| Transmitter Protection | TXD dominant timeout |
| RoHS 상태 | RoHS compliant |
| 수명 주기 상태 | Active |
| Manufacturer Datasheet Length | 38 pages |
TJA1448BT/0Z 14-pin soic 핀 구성 가이드
TJA1448BT/0Z(14-pin soic 패키지)의 핀 구성입니다. 핀 번호, 기능, 연결 다이어그램은 제조사 데이터시트에 정의되어 있습니다. 정확한 풋프린트와 솔더링 지침은 해당 문서를 참조하십시오.
다음에 대한 상세 핀아웃 데이터 없음: TJA1448BT/0Z.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
TJA1448BT/0Z 적합 용도: 6 애플리케이션s: Automotive Body Control Networks, Industrial Automation Gateways, CAN FD Sensor Backbone, Building Automation Equipment, Robotics and Mobile Platforms, Industrial Communication Modules.
Automotive Body Control Networks
The TJA1448BT/0Z fits dual-channel automotive body and comfort networks because it combines two CAN physical-layer channels with a 5 Mbit/s CAN FD capability and an operating range of -40°C to +150°C. Its 3.3 V or 5 V VIO interface can connect directly to compatible automotive controllers, while ESD, undervoltage, and thermal-shutdown protection support harsh electrical environments. The designer should still verify transient immunity, bus fault behavior, and all applicable OEM qualification requirements against the final power architecture.
추천
Industrial Automation Gateways
A dual-channel TJA1448BT/0Z can connect an industrial gateway or PLC to two separate CAN FD networks while sharing one 14-pin SOIC footprint and 4.5 V to 5.5 V supply. Supporting rates up to 5 Mbit/s provides useful bandwidth for machine-control and sensor networks, while VIO compatibility supports both 3.3 V and 5 V controller logic. Implement 120-ohm termination only where required by the bus topology, and test behavior during bus-off, recessive, dominant, and wake-up conditions.
추천
CAN FD Sensor Backbone
The TJA1448BT/0Z is suitable for a dual CAN FD sensor backbone because it can carry data at rates up to 5 Mbit/s and includes low-power and wake-up functions for intermittently operating nodes. The two integrated channels can organize one bus for sensors and another for actuators or gateway traffic, reducing component count compared with two separate transceivers. Validate bus-inactive detection, wake-up timing, dominant timeout, and cable-length limitations for each operating mode in the final system.
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Building Automation Equipment
The TJA1448BT/0Z can support building automation controllers that exchange high-speed CAN FD traffic between floor modules, access equipment, and energy-management subsystems. Its dual-channel architecture permits two independent bus connections within one compact SOIC-14 device, and the wide -40°C to +150°C range supports equipment exposed to variable enclosure temperatures. Standby mode can reduce consumption when traffic is absent, but the controller must wake the transceiver correctly for periodic or event-driven communication.
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Robotics and Mobile Platforms
The TJA1448BT/0Z fits robot motor controllers and mobile platforms that need two CAN FD links for separate actuator, sensor, or safety-related networks. Its 5 Mbit/s capability supports responsive control traffic, and VIO operation at 3.3 V or 5 V simplifies connection to different controller families. Keep the CANH and CANL routing symmetrical, maintain the specified decoupling layout, and verify propagation delay and bus timing margins when the platform contains long cables or multiple nodes.
추천
Industrial Communication Modules
The TJA1448BT/0Z is appropriate for CAN-to-Ethernet, CAN-to-wireless, and data-acquisition modules that require two physical CAN channels. The integrated transceivers support CAN FD rates up to 5 Mbit/s, while Normal and Standby modes provide controllable power states for compact embedded modules. The VIO pin allows direct interfacing with 3.3 V or 5 V microcontrollers. Firmware should coordinate bus-off recovery, wake-up, and dominant-timeout handling so communication recovery does not conflict with module safety requirements.
추천
추천 제품 요약
엔지니어링 참조 데이터: TJA1448BT/0Z — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | TJA1059 |
|---|---|---|
| Manufacturer | NXP Semiconductors | NXP Semiconductors |
| Package | SOIC-14 | SOIC-14 |
| Number of Channels | 2 | 2 |
주요 차별점
- Adds low-power system features to a dual CAN FD physical layer (vs TJA1059)
- Combines two CAN FD channels with a 5 Mbit/s capability (vs TJA1059)
- Supports direct 3.3 V or 5 V controller interfacing (vs TJA1059)
- Integrates multiple system protections (vs TJA1059)
설계 노트
Use the 14-pin SOIC land pattern and follow the NXP datasheet's recommended component and decoupling placement. Place the supply and ground connections directly on the pins specified for those functions, keep the CANH and CANL traces short and symmetrical, and avoid routing either bus trace beneath or between unrelated high-current switching paths. The 120-ohm termination resistor belongs across CANH and CANL at each bus endpoint rather than at every node.
Design the 4.5 V to 5.5 V main supply with suitable local decoupling and verify startup and shutdown behavior across the complete voltage range. The VIO pin supports 3.3 V or 5 V controller interfacing, but VIO and the main supply are distinct constraints: a valid VIO level does not permit operation outside the 4.5 V to 5.5 V main-supply specification. Confirm controller levels, reset sequencing, and standby control states before releasing the board into production.
Do not treat the TJA1059 replacement statement as permission to substitute every family member or suffix without review. The TJA1448BT/0Z includes Standby, wake-up, dominant-timeout, undervoltage, and thermal-shutdown functions whose exact pin behavior and timing must remain compatible with the existing controller firmware. Confirm the specific replacement ordering code, package footprint, VIO arrangement, bus timing, and protection requirements before approving a drop-in swap.
Maintain a compact CAN bus escape from the transceiver because differential trace geometry affects signal integrity. Route CANH and CANL as a closely coupled pair on the same PCB layer where practical, with continuous reference planes and matched spacing. Keep the termination footprint accessible for configuration, and avoid placing test points or stubs that materially unbalance the pair. Validate the completed routing for reflections and compliance with the selected CAN FD data rate.
규정 준수 정보
The distributor product listing identifies the TJA1448BT/0Z as RoHS compliant. RoHS, REACH, AEC-Q100, lead-free, halogen-free, and conflict-minerals status are not independently established beyond that statement.