| Customization: | Available |
|---|---|
| Conductive Type: | Bipolar Integrated Circuit |
| Integration: | 14-Soic |
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CAN Bus Controller with Integrated I/O, PWM and Analog Functions for Industrial Control Applications
This device is a highly integrated CAN bus controller solution designed for industrial control, automotive-support electronics, intelligent monitoring systems, and embedded communication applications. It combines CAN V2.0B communication capability, flexible hardware configuration, programmable I/O control, low-power operation, and reliable data handling in a compact package, making it an ideal choice for customers who require dependable CAN-based control devices in modern electronic systems.
The device implements CAN V2.0B and supports a programmable bit rate up to 1 Mb/s, enabling reliable high-speed communication over the CAN bus. This allows the device to be used in a wide range of distributed control systems where fast and stable communication is essential. With one programmable mask and two programmable filters, the controller can efficiently manage message acceptance and improve bus communication performance by filtering unwanted traffic. In addition, the device includes three auto-transmit buffers and two message reception buffers, which enhance communication efficiency and provide flexibility in message management for complex applications.
A key advantage of this product is that it does not require synchronization or configuration messages, which simplifies system design and reduces software complexity. This feature is especially useful in embedded systems where ease of integration and faster development cycles are important. For manufacturers and system designers, simplified CAN implementation can save time during development, reduce debugging effort, and improve overall project efficiency.
In terms of hardware capability, this device offers non-volatile memory for user configuration, allowing system settings to be stored permanently. The stored configuration is automatically loaded on power-up, which ensures convenient startup behavior and reduces the need for repeated initialization by the host controller. This is particularly beneficial in industrial and field-installed systems where automatic recovery and quick system startup are important requirements.
The controller also provides eight general-purpose I/O lines, each individually selectable as input or output. This gives users a high level of flexibility when designing control circuits, sensor interfaces, or status monitoring functions. Each input can also be individually configured for transmit-on-pin-change, allowing the device to automatically send CAN messages when a pin state changes. This function is highly useful in applications such as switch monitoring, alarm systems, status detection, and remote I/O control, where immediate bus notification is required when an input condition changes.
For MCP2505X devices, the product includes four 10-bit analog input channels with programmable conversion clock and programmable VREF sources. This makes the device suitable for mixed-signal applications where analog sensor data needs to be monitored and transmitted through the CAN network. With these built-in analog input functions, designers can reduce external component count and simplify overall system architecture. The inclusion of analog capability makes the device useful in industrial sensing, monitoring modules, and intelligent control units that need both digital communication and analog measurement functionality.
Another important feature is its message scheduling capability, which helps manage communication timing efficiently in CAN-based control networks. In distributed systems, predictable timing and structured communication are essential for stable performance, especially when multiple devices are connected to the same bus. Message scheduling allows the system to organize data transmission in a more controlled way, improving communication reliability and reducing bus conflicts.
The device also integrates two 10-bit PWM outputs with independently programmable frequencies, which adds powerful control capability for applications involving motor control, lighting adjustment, valve driving, actuator control, or other output modulation tasks. With independently programmable frequencies, users can adapt the PWM behavior to meet different design requirements without needing additional external PWM generation circuitry. This improves integration, saves board space, and reduces system cost.
Another strong advantage is that the device configuration can be modified via CAN bus messages. This remote configurability is highly valuable in networked systems, as it allows system parameters to be updated without direct physical access to the device. In industrial automation, remote diagnostics, and distributed control environments, this function improves maintenance efficiency and makes field updates much easier. The device also supports In-Circuit Serial Programming (ICSP) of default configuration memory, which provides further flexibility during manufacturing, programming, and product customization.
For certain special system requirements, the device also supports optional 1-wire CAN bus operation, which can be useful in simplified communication topologies or cost-sensitive applications. This additional flexibility makes the device suitable for a broader range of CAN-based system designs.
Built with low-power CMOS technology, the device offers excellent energy efficiency while maintaining reliable performance. It operates from 2.7V to 5.5V, allowing compatibility with a wide variety of system power architectures. This broad operating voltage range makes it suitable for both low-voltage and standard embedded electronics. The typical active current is only 10mA, while the device consumes just 30µA standby current in CAN Sleep mode. Such low power consumption is particularly important in battery-powered systems, remote monitoring equipment, portable industrial devices, and other applications where power efficiency is a major concern.
The product is available in 14-pin PDIP (300 mil) and SOIC (150 mil) packages, giving customers the flexibility to select the most suitable package according to their assembly method and product design requirements. PDIP package options are convenient for prototyping, development boards, and through-hole designs, while SOIC packages are suitable for compact surface-mount applications and volume production. This package flexibility is useful for both engineering evaluation and large-scale manufacturing.
To meet different environmental requirements, the device is available in two temperature ranges: Industrial (I): -40°C to +85°C and Extended (E): -40°C to +125°C. This makes it suitable for harsh operating conditions and demanding environments where temperature stability is essential. The extended temperature version is especially attractive for applications exposed to high ambient temperatures, such as automotive-support electronics, outdoor control units, industrial machinery, and power management systems.
This device can be widely used in many applications, including:
Industrial automation systems
CAN bus remote I/O modules
Intelligent sensor interfaces
Automotive-support control systems
Security and alarm systems
Building automation equipment
Motor and actuator control
Embedded monitoring devices
Distributed control networks
Communication interface modules
For buyers on Made-in-China, this product offers a strong combination of CAN communication, flexible I/O, integrated analog and PWM functions, low power consumption, and programmable configuration capability. It is a practical choice for OEMs, ODM customers, electronic manufacturers, and engineering companies seeking a reliable CAN control solution for industrial and embedded applications.
Compared with ordinary communication ICs, this device provides a higher level of integration by combining bus communication, digital I/O, analog input capability, PWM output, and non-volatile configuration memory in one compact solution. This helps reduce external components, simplify PCB design, lower system cost, and improve overall reliability. For customers focused on efficient product development and stable long-term supply, this type of integrated controller is highly attractive.
Overall, this CAN bus controller is a dependable and versatile solution for a wide variety of electronic control systems. With CAN V2.0B support up to 1 Mb/s, programmable filters and masks, configurable I/O, analog input options, PWM outputs, remote configuration capability, low-power CMOS operation, and industrial-grade temperature support, it is well suited for modern intelligent control and communication applications.
Main Features:
Implements CAN V2.0B
Programmable bit rate up to 1 Mb/s
One programmable mask
Two programmable filters
Three auto-transmit buffers
Two message reception buffers
No synchronization or configuration messages required
Non-volatile memory for user configuration
Automatic configuration loading on power-up
Eight general-purpose I/O lines
Individually selectable input or output configuration
Individually selectable transmit-on-pin change for each input
Four 10-bit analog input channels (MCP2505X devices only)
Message scheduling capability
Two 10-bit PWM outputs with independently programmable frequencies
Device configuration can be modified via CAN bus messages
Supports ICSP of default configuration memory
Optional 1-wire CAN bus operation
Low-power CMOS technology
Operating voltage: 2.7V to 5.5V
Typical active current: 10mA
Standby current: 30µA in CAN Sleep mode
Available in 14-pin PDIP and SOIC packages
Temperature range: -40°C to +85°C / -40°C to +125°C
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