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Infineon TLE92464EDHP高精度四路螺线管驱动方案

Infineon公司的TLE92464EDHP是高精度四路螺线管驱动器IC,设计用于自动变速器, 电子稳定性控制,主动悬挂系统和核心的驱动装置“E-Axle”应用. TLE92464EDHP是具有高电流精度的四路低边螺线管驱动器IC,高达1200mA电流范围内提供初始电流精度小于±3 mA. 高达1200mA电流范围内提供使用期限的电流精度小于±0.8%.在整个温度内,电池和电流范围内(单路1500mA,并联通路2700mA模式)控制误差小于±1%.器件包括驱动晶体管和电流检测电阻,以最小化外接元件数量.目标电流从0到1500mA,可以15位分辨率进行编程.器件支持抖动电流高达1800mA. 抖动发生器叠加可编幅度,频率和形状的三角波或梯形波在可编电流设定点.32位SPI接口用来控制4路和监视诊断功能的状态.SPI通信由8位CRC和可编暂停看门狗来保证安全.温度范围-40°C到175 °C,小型功率封装PG-DSO-36-72,无铅(RoHS)兼容封装, AEC-Q100 Grade 0资质.主要用在可变力螺线管和其它恒流螺线管,怠速空气控制,废气再循环装置, 蒸汽管理阀和车载悬浮系统.本文介绍了TLE92464EDHP主要特性, 框图和通路框图, 电流监视框图, 简化应用电路图和评估板PCB-TLE92464ED主要特性,电路图和PCB设计图.

 

The TLE92464EDHP is a flexible, monolithic solenoid driver IC designed for the control of linear solenoids in automatic transmissions, electronic stability control, active suspension and e-Axle applications.

The TLE92464EDHP is a four channel low-side solenoid driver IC with high current accuracy. The device provides an inital current accuracy of less than ±3 mA up to 1200 mA current range. Including life time, the current accuracy is less than ±0.8% up to 1200 mA. Over the full temperature, battery and current range (1500 mA in single channel mode, 2700 mA in parallel channel

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