SN65HVS881PWPR

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The SN65HVS881PWPR is a monolithic bus transceiver used to interface between a low-voltage differential signaling microcontroller or peripheral bus and a multiple point high-speed CONTROLLER AREA NETWORK (CAN). This transceiver is capable of powering a node using very low power standby current. Its high-speed CAN transceiver is integrated into a single small-outline package and features low-current and low-side switch-off capabilities. The SN65HVS881PWPR provides a differential bus transceiver with automatic bus-on/off control that enables high-speed, low-power node-operating implementations.

The SN65HVS881PWPR includes an integrated 120 ohm bus termination. The bus shape is defined by an inherent slewing behavior (slew rate between 30 kHz and 500 kHz) and spread-spectrum capability to reduce electromagnetic interference (EMI). In addition to the integrated bus termination, the transceiver includes a loop-back feature to check the driver-receiver path and a bus-off open drain output to indicate the bus-off state.

The SN65HVS881PWPR has applications in the area of automotive and controller area network (CAN). It is designed to improve the performance of customers\' products with fast communication interface to the vehicle systems. The transceiver is suitable as stand-alone or combined with microcontrollers as part of a node device.

Working Principle

The SN65HVS881PWPR transceiver operates according to the ISO11898-2 differential bus protocol. The transceiver can be configured as a transmitter or receiver by a control signal. It supports bit rates up to 1 Mb/s. The transmitter portion consists of a differential driver that sends out a 0 or 1 darlington signal. The receiver portion consists of a dual differential input configuration with input hysteresis and amplitude limiting, which enables the SN65HVS881PWPR to receive data from the bus.

The SN65HVS881PWPR is a low input current, low-side switch transceiver with a wide dynamic range (3.3V to a 33V supply). In addition, the SN65HVS881PWPR has an integrated circuit that detects when an open/short condition is present on the serial link and prevents the transceiver from transmitting falsely. This integrated circuit is known as a receiver circuit short/open circuit detection (RSOCD).

The SN65HVS881PWPR includes a separate supply input for sleep mode operation. In addition, the SN65HVS881PWPR includes an on-board regulation circuit to maintain a constant supply voltage for its own operation when the bus voltage drops or increases. This allows the transceiver to operate for longer periods and reduces power consumption.

The SN65HVS881PWPR also features a fault protection circuit that detects and inhibits excessive transmission on the CAN bus. This feature is designed to allow devices connected to the CAN bus to function properly in the event of an ESD disturbance.

The SN65HVS881PWPR is able to detect errors in the transmission and reception of data on the CAN bus. It can detect single and double bit stuffing, CRK and CRC errors. In addition, the SN65HVS881PWPR supports the fitting of transceiver nodes on the bus in a wide range of supply voltages, ranging from 1.8V to 5.5V.

The SN65HVS881PWPR is a high-speed Controller Area Network (CAN) transceiver, designed for use in industrial, automotive, and other types of applications. It is used for data communication betweenCAN nodes and to convert the CAN protocol signals, which use differential and/or single-ended signaling levels, into the parallel transmission data frame. The SN65HVS881PWPR is an ideal solution for interfacing CAN systems with microprocessors, microcontrollers, and other systems.

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