PCA82C250T/N,118

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PCA82C250T/N,118 is a transceiver developed by NXP semiconductors for automotive use. It is used for communication between a vehicle’s on-board diagnostics (OBD) system and a computerized diagnostic tool installed in a garage or dealership. The transceiver is typically found in cars from 1996 onwards, and works on ISO 9141/KWP2000 and OBD-II protocols. It provides a low cost solution for vehicle communication with a variety of diagnostic tools.

The PCA82C250T/N,118 transceiver has an integrated transceiver IC and an integrated logic device with a power on reset. It includes two host-side bus drivers, two ECU-side bus receivers, and a stand-alone diagnostic start sequence engine. The IC provides host and ECU-side interfaces that work in tandem to provide bidirectional communication between the host and ECU. The transceiver also offers status channels for error detection and fault diagnosis, as well as an internal voltage regulator and WakeUp/Sleep-delay mechanism.

The PCA82C250T/N,118 transceiver operates in two modes of operation. In the first mode, called the normal or cold start mode, it sends a power on reset (POR) signal to the ECU, after which the standard diagnostic start-sequence is initiated. The second mode, called the wake-up or hot start mode, is used for fast, low-power wake-up of the ECU. In this mode, the transceiver sends a Wakeup signal to the ECU, causing it to skip the start-sequence and go straight to a sleep-delay state.

The PCA82C250T/N,118 transceiver can be used in a variety of applications, such as automotive diagnostic, body control, and powertrain systems. Its features make it an attractive option for automotive engineers who are looking for a cost effective way to establish communication between a diagnostic tool and an ECU. Furthermore, its integrated design makes it a great choice for applications where space is at a premium.

In conclusion, the PCA82C250T/N,118 transceiver is a versatile transceiver designed for the automotive industry. It features an integrated design, robust bidirectional communication, error detection and fault diagnosis, and a low power consumption. Its features and compact size make it an ideal choice for automotive engineers looking to establish communication between a diagnostic tool and an ECU.

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