PI90LV032ALE

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Interface - Drivers, Receivers, Transceivers

PI90LV032ALE is an advanced serial data transceiver for the CAN (Controller Area Network). CAN is a serial communication protocol can be used in automotive, industrial process control, and many other embedded applications. This transceiver combines an integrated low voltage differential signaling (LVDS) driver and an LVDS receiver on a single device.

Application Field

PI90LV032ALE is used as a physical interface between two nodes in a automotive network. It is suitable for use in a variety of applications such as robots, process controls, motor controllers, and so on. It is also used in automotive safety systems, like power steering, brakes, or tire pressure monitoring. This transceiver is mainly used in the newer CAN based applications like Automotive Serial Bus (ASB) and C-V2X.

Working Principle

The PI90LV032ALE transceiver works in a two mode architecture, one being differential and the other single ended. It takes digital input from the controller and transmits it over the network. The differential mode uses the LVDS technology which is a high-speed digital signaling method. In this mode, the transceiver converts the digital data into LVDS format and transmits it over the can bus. This transceiver also contains a optical isolation unit to protect against EMI for reliable data transmission.

The single ended mode is used for connecting with other types of devices, such as A/D converters or UARTs. In single ended mode, the digital signals from the controller are directly applied to the transceiver and it converts the signals into LVDS format. The single ended mode has a lower data transfer speed than the differential mode, but is more suitable for short distance connections.

The transceiver also senses the CAN signals on the bus to detect faults like missing or dominant bits. The transceiver can detect these abnormal data patterns to generate error flags which can then be used to warn the users or trigger other actions. Moreover, the transceiver has several built-in features such as hysteresis, power-down, and data filtering which increase the reliability and durability of the system.

Conclusion

PI90LV032ALE is a high performance transceiver for CAN applications. It combines LVDS driver and receiver in a single device which makes it suitable for applications which need data transmission at high speed and with noise immunity. The single ended mode makes it suitable for connecting with other types of devices and its built-in fault detection and protection mechanisms provide more reliability and robustness to the system.

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