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Signal Isolated CAN Transceiver With Integrated DC to DC Converter

Part Number: NSiP1042
Brand: Novosense


The NSiP1042 is a high-reliability isolated Controller Area Network (CAN) physical layer transceiver with an integrated DC-to-DC converter. This device is designed for applications that require robust and isolated CAN communication. Here are the key features and applications of the NSiP1042:

Key Features:

  1. Insulation Voltage: The NSiP1042 provides up to 5000Vrms of insulation voltage, ensuring strong electrical isolation between the CAN bus and other parts of the system.
  2. Integrated Isolated DC-to-DC Converter: The device features an integrated isolated DC-to-DC converter that uses an on-chip transformer. The feedback PWM signal is sent to the primary side by a digital isolator based on Novosense capacitive isolation technology.
  3. Power Supply Voltage: There are two power supply voltage options:
    • VDD1: 4.5V to 5.5V
    • VDDL: 1.8V to 5.5V
  4. Overcurrent and Overtemperature Protection: The NSiP1042 includes protection mechanisms for overcurrent and overtemperature conditions, ensuring the safety and reliability of the device.
  5. High Common-Mode Transient Immunity (CMTI): The device offers a high CMTI of ±150kV/us, making it capable of withstanding fast voltage transients on the CAN bus.
  6. Data Rate: The NSiP1042 supports a data rate of up to 5Mbps, enabling fast and efficient data transfer in CAN communication.
  7. Operating Temperature Range: It can operate within a wide temperature range, from -40°C to 105°C, making it suitable for various environmental conditions.
  8. RoHS-Compliant Packages: The NSiP1042 is available in a RoHS-compliant SOW20 package.

Safety Regulatory Approvals:

The device has undergone safety certification and regulatory approvals, including UL recognition, CQC certification, CSA component notice 5A, and DIN VDE V 0884-11:2017-01.


The NSiP1042 is well-suited for a range of applications, including:

  • Industrial automation systems, where reliable and isolated CAN communication is crucial.
  • Smart electric meters and water meters that require secure data transfer.
  • Security and protection monitoring systems that need robust and isolated communication for critical data.

This device is designed to provide a dependable and isolated CAN communication solution, making it suitable for use in various industrial and utility applications where reliability and safety are essential.


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