SN65HVD1477DGK

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The SN65HVD1477DGK from Texas Instruments is a versatile device used to help reduce power consumption, improve system performance and optimize layout flexibility in automotive control units, gateway applications and general-purpose data communications. It is capable of achieving various functions, including driver, receiver, transceiver, isolation, flow control and signal conditioning.

Overview

The SN65HVD1477DGK is a half-duplex communication IC that includes a dedicated echo function, along with the capability of configuring up to 8x communication channels. It supports the CAN and LIN serial communications network, as well as additional protocols, such as four-wire serial interface (SPI). This device is configured using its four 4-bit switchable address settings, and supports up to 10 Mbps baud rate.

The SN65HVD1477DGK includes configurable logic to control the control modes of the CAN module: loopback, closed loop and listen-only mode. Additionally, it provides built-in diagnostics features enabling functional operation health monitoring.

The SN65HVD1477DGK is EMC and environmental certified with an operating temperature range of -40°C to +125°C. It is available in various packages such as WTPF, VPTGF and MSOP-10.

Application field

The SN65HVD1477DGK is typically used in automotive control units, gateways, and general-purpose data communication as a driver, receiver, and/or transceiver. These devices are utilized in applications such as Electronic Control Unit (ECU), exhaust emission monitoring devices, brake systems, and engine controls. The SN65HVD1477DGK is suitable for applications in industrial and automotive systems, such as in vehicle diagnostic devices, body control modules, data communication gateways, and in-vehicle audio devices.

Working Principle

The SN65HVD1477DGK is an isolated, 5V-powered half-duplex communication IC that supports multiple protocols including CAN bus and LIN bus. The device includes four 4-bit switchable address settings and can communicate up to 10 Mbps baud rate. It is designed to deliver high-speed data communication while optimizing power consumption.

The SN65HVD1477DGK isolates CAN, CAN FD, and LIN physical layer in the same device, which simplifies integration and optimizes system performance. The device incorporates an internal dual gate MOSFET that provides a high-speed 3.3V supply with very low quiescent current. The device is also designed with slew rate control to reduce excessive EMI emission.

The SN65HVD1477DGK is capable of data communication using optional local interference

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