基于ATA5291车身控制器低频驱动模块的设计

智能进入和智能启动(PEPS)系统主要包括基站端和智能钥匙端两部分,基站端主要由电源模块、低频发射模块、高频接收模块和CAN通信模块等组成,其中低频发射模块和高频接收模块尤为重要,是基站端与钥匙端通信的最重要组成部分。本文主要介绍Atmel公司的8路低频驱动芯片ATA5291在低频发射模块中的设计和应用,并对方案进行了台架、装车、EMC和环境性能验证,满足产品配套要求。

Design of Low-frequency Drive Module for Body Control Module Based on ATA5291

Passive entry and passive start(PEPS)system mainly includes two parts: the base station and the smart key. The base station is mainly composed of a power supply module,a low-frequency transmission module,a high-frequency receiving module,and CAN communication modules. Among them,the low-frequency transmission module and the high-frequency receiving module are the most important parts of the communication between the base station and the smart key. This paper mainly introduces the design and application of Atmel ATA5291,an eight-way low-frequency drive chip. The tests of hardware-in-the-loop,EMC and environment performance have been conducted. The test results show that the strategy meets the requirements of product.