SN65HVD232DR - 3.3V 1Mbps CAN Transceiver | Texas Instruments
部品番号: SN65HVD232DR ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $0.58 | $0.58 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
SN65HVD232DR 概要
A CAN transceiver is the physical-layer interface between a CAN controller and the differential CANH and CANL bus wires. It converts controller logic into dominant and recessive bus states, while converting differential bus voltage into a receive signal. The SN65HVD232 family is designed for systems using 3.3V DSPs or equivalent CAN controllers, with protection features intended to improve robustness in industrial and automotive-style networks.
The SN65HVD232DR operates from a single 3.3V supply and supports CAN data rates up to 1Mbps. Its high receiver input impedance allows up to 120 nodes on a bus, according to the verified product and datasheet search results. The device also provides bus-pin ESD protection exceeding 16kV HBM, controlled driver output transition times for improved signal quality, and behavior suitable for unpowered nodes that do not disturb the bus.
Compared with a 5V CAN transceiver, the SN65HVD232 family is intended for lower-voltage logic systems. The manufacturer search data identifies the principal 3.3V distinction as a lower dominant common-mode output voltage, by a few hundred millivolts, while the differential output voltage and recessive common-mode bias remain comparable. This makes the part suitable when the host controller, digital I/O, and system supply are designed around 3.3V.
Typical applications include industrial automation equipment, motor-control systems, building automation, robotics, embedded control, vehicle electronics modules, and CAN-connected sensor or actuator networks. The transceiver is placed between a CAN controller and the CAN bus, with CANH and CANL routed as a differential pair and the logic-side interface connected to the controller.
A key design consideration is confirming the complete transceiver pinout and logic levels in the manufacturer datasheet before layout release. Keep the CAN bus traces short, controlled-impedance where practical, and separated from noisy switching paths. Decoupling should follow the datasheet recommendations, and unused or unused-mode pins should be configured exactly as specified rather than inferred from generic CAN devices.
ドロップイン代替品: SN65HVD232DR — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: SN65HVD232DR （同一形状・フットプリント） — 相違点: Package, Product Type, ESD Protection (Bus Pins, HBM), Operating Temperature, Protocol.
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SN65HVD232QDR
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SN65HVD232D
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SN65HVD233DR
✅ ドロップイン📋 参考代替品（カタログ未掲載）
SN65HVD234DR
✅ ドロップイン✓ 在庫あり
$1.3 / 個
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データシートを見る →SN65HVD232DR 仕様
| Product Type | Single-channel CAN transceiver |
| 電源電圧 | 3.3 V |
| CAN Data Rate | Up to 1 Mbps |
| CAN Standard Compatibility | ISO 11898-2 high-speed CAN physical layer |
| Bus Nodes | Up to 120 nodes |
| Bus-Pin ESD Protection | Exceeds 16 kV HBM |
| パッケージ | 8-pin SOIC |
| 動作温度 | -40°C to +85°C |
| Differential Output Voltage | Comparable between the SN65HVD23x family variants; exact value not stated in verified search data |
| Dominant Common-Mode Output | Lower than 5V supplied transceivers by a few hundred millivolts |
| Recessive Common-Mode Output Bias | Same as the referenced 5V supplied transceiver family |
| Receiver Input Impedance | High; supports up to 120 nodes on a bus |
| Driver Output Transition Time | Controlled for improved signal quality |
| Unpowered Node Behavior | Does not disturb the CAN bus |
| Channel Count | 1 CAN channel |
SN65HVD232DR ピン構成
| ピン 1 | CANL — CAN low differential bus output and input |
| ピン 2 | CANH — CAN high differential bus output and input |
| ピン 3 | GND — Device ground |
| ピン 4 | VCC — 3.3V supply input |
| ピン 5 | TXD — Transmit data input from CAN controller |
| ピン 6 | RXD — Receive data output to CAN controller |
| ピン 7 | GND — Ground connection |
| ピン 8 | VCC — Supply connection; verify exact pin assignment in the manufacturer datasheet |
主な用途
SN65HVD232DR の用途: 6 件s: Industrial Automation, Embedded Control Systems, Motor Control and Robotics, Building Automation, Vehicle Electronics Modules, Sensor and Actuator Networks.
Industrial Automation
The SN65HVD232DR fits industrial automation systems that use a 3.3V CAN controller or DSP and need a physical-layer interface for sensors, actuators, drives, or remote I/O. Its single 3.3V supply architecture supports low-voltage digital systems, while the high receiver input impedance allows a network of up to 120 nodes according to the verified device description. At data rates up to 1Mbps, the transceiver can support responsive control traffic when the cable length, topology, termination, and grounding are designed appropriately. Use CANH and CANL as a controlled-impedance differential pair, provide termination at the physical bus ends, and keep noisy switching currents away from the bus. The bus-pin ESD rating exceeding 16kV HBM improves robustness, but it does not replace external surge and lightning protection.
おすすめ
Embedded Control Systems
The SN65HVD232DR is appropriate for embedded control equipment where a 3.3V processor exposes a CAN controller but the system still needs a robust bus-side driver and receiver. The single-channel CAN interface supports data rates up to 1Mbps, allowing control and status messages to share a differential network with compatible nodes. Its 8-pin SOIC package is useful for compact controller boards, while the low-voltage supply compatibility helps avoid level-shifting between the transceiver and a 3.3V MCU. Design the PCB so the logic-side pins connect cleanly to the controller, the CANH/CANL pair is routed as a differential pair, and the bus connector includes appropriate surge protection. Confirm controller timing and fault behavior in the system firmware.
おすすめ
Motor Control and Robotics
The SN65HVD232DR can serve as the CAN physical layer in motor controllers, robot modules, and distributed actuator networks. The verified 1Mbps capability is useful for exchanging command, status, and diagnostic information between a controller and multiple motor-drive nodes, provided the bus length and topology are appropriate for the selected baud rate. Because the transceiver operates from 3.3V, it can align with low-voltage digital controllers and reduce the number of interface conversions. Keep the CAN bus away from motor phase current paths and high-di/dt switching nodes. Use a solid ground reference, route CANH/CANL together, and place protection devices at connector entry points where cables leave the controlled board.
おすすめ
Building Automation
The SN65HVD232DR is suitable for building-automation networks that distribute sensor, lighting, HVAC, access-control, and equipment-status information over a CAN bus. A single 3.3V transceiver channel is useful when the building controller operates from low-voltage logic and needs a deterministic differential interface to remote nodes. The high input impedance supports multi-node arrangements, but installation quality remains critical: long cable runs, poor grounding, and excessive stubs can degrade a 1Mbps network. Use standardized termination at the ends of the bus, avoid unnecessary cable branches, and place protection at external cable connections. Verify that the selected controller supports the transceiver’s logic levels and fault-tolerant operating requirements.
おすすめ
Vehicle Electronics Modules
The SN65HVD232DR can be evaluated for 3.3V vehicle electronics modules that use CAN communication, particularly when the controller is a low-voltage DSP or MCU. The device supports high-speed CAN operation up to 1Mbps and includes bus-pin ESD protection exceeding 16kV HBM, which is useful in electrically noisy environments. However, the supplied data does not confirm AEC-Q100 qualification for this specific orderable part, so automotive production use requires a separate qualification and environmental review. In addition to transient protection, follow automotive wiring best practices: protect the connector side, maintain a low-impedance ground return, separate CAN routing from power and motor paths, and verify standby or sleep requirements across all connected nodes.
おすすめ
Sensor and Actuator Networks
The SN65HVD232DR is a practical choice for distributed sensor and actuator networks where each remote module uses a 3.3V controller and communicates over a shared CAN bus. The transceiver’s high receiver input impedance is specified to support up to 120 nodes, allowing multiple distributed endpoints to share the communication medium when the topology and cable length are suitable. At rates up to 1Mbps, the interface can support responsive measurement and control traffic, but designers should account for cable delay, connector stubs, and fault propagation. Use identical termination practices at the bus endpoints, provide local decoupling according to the manufacturer guidance, and define node-safe behavior for unpowered devices. The verified feature set specifically identifies an unpowered-node mode that does not disturb the bus.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: SN65HVD232DR — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | SN65HVD232QDR | SN65HVD233DR | SN65HVD234DR |
|---|---|---|---|---|
| Product Type | 3.3V single-channel CAN transceiver | SN65HVD232-family CAN transceiver | SN65HVD23x CAN transceiver family member | Related 3.3V CAN transceiver |
| Package | 8-pin SOIC | SOIC-8 | SOIC-8 | SOIC-8 |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
主な差別化要因
- 3.3V-native interface for low-voltage controllers （vs SN65HVD232QDR)
- High-speed CAN capability （vs SN65HVD233DR)
- Multi-node bus support （vs SN65HVD234DR)
- Unpowered-node bus behavior （vs SN65HVD232QDR)
設計ノート
Route CANH and CANL as a close, controlled-impedance differential pair and keep the pair continuous from the transceiver to the connector. Avoid routing over split planes or between unrelated high-current paths. Place termination components at the two physical endpoints of the bus rather than at every node, and minimize branch stubs because their impedance discontinuities can degrade a 1Mbps signal.
Do not infer the SN65HVD232DR pinout from a generic CAN transceiver. Verify the TXD, RXD, ground, supply, and CANH/CANL assignments against the manufacturer datasheet before schematic capture. Also confirm the exact mode or configuration requirements for all pins, especially when comparing SN65HVD233DR or SN65HVD234DR variants that add or change diagnostic or standby behavior.
Provide the transceiver with the verified single 3.3V supply architecture and follow the manufacturer’s recommended bypass-capacitor layout. Keep the supply return path continuous and connect the transceiver ground close to its supply-decoupling point. Do not assume that the device’s bus-pin ESD rating replaces external surge protection; add appropriate protection at exposed cable or connector entry points.
Separate the CAN pair from switching converters, motor phase wiring, clocks, and high-current return paths. Use a solid ground reference for the transceiver and controller, but avoid creating long shared return paths between signal ground and power-current returns. Validate the completed board with the intended baud rate, cable length, connector, and number of nodes rather than relying only on the device’s 1Mbps headline rating.
コンプライアンス情報
The supplied verified data does not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status for SN65HVD232DR. Compliance fields remain unknown rather than inferred.