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Freescale Semiconductor Confidential Proprietary. Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. Freescale Semiconductor, Inc. 2004 汽车灯光控制系统解决方案June 1, 2004 Slide 2Freescale Semiconductor Confidential Proprietary. Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. Freescale Semiconductor, Inc. 2004 摩托罗拉车身控制DEMO Slide 3Freescale Semiconductor Confidential Proprietary. Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. Freescale Semiconductor, Inc. 2004 3x21W + 1x5W3x21W + 1x5W 21W21W 21W + 5W 21W + 5W8x Relay 55W 55W55W55W55W 55W 55W55W HCS912 33288 3328633982 33984 3388833486Extreme Switch Targeted Applications Slide 4Freescale Semiconductor Confidential Proprietary. Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. Freescale Semiconductor, Inc. 2004 系统结构图 MC68HC908AP64 4路高边开关8路低边开关MC33888MC33889 电源芯片 蓄电池 12V MC33993 开关监测 MC33886半桥驱动器 SPISPI5V I/OLED M开关信号SPI车灯电机 Slide 5Freescale Semiconductor Confidential Proprietary. Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. Freescale Semiconductor, Inc. 2004 MC33888 4路高端开关8路低端开关特性 工作电流：低端开关500mA,800mA；高端开关5A,10A 工作电压：6V-27V 短路、欠压、过压保护 掉电保护 电源反极性保护 过温保护优点 外围器件少 电路简单 可靠性高 带诊断和保护 安全性高 Slide 6Freescale Semiconductor Confidential Proprietary. Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. Freescale Semiconductor, Inc. 2004 MC33888 4路高端开关8路低端开关 Slide 7Freescale Semiconductor Confidential Proprietary. Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. Freescale Semiconductor, Inc. 2004 MC33886 5A H桥技术特性 工作电压 5V - 40V 工作电流 5A PWM频率可达10KHz 短路保护 欠压关断 故障状态报告 Slide 8Freescale Semiconductor Confidential Proprietary. Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. Freescale Semiconductor, Inc. 2004 MC33886 5A H桥 Slide 9Freescale Semiconductor Confidential Proprietary. Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. Freescale Semiconductor, Inc. 2004 MC33993 开关监测特性开关输入电压：-14V 电源电压(最高40V)工作电压: 5.5V 26V8路可配置输入14路接地开关输入开关变化产生中断 Slide 10Freescale Semiconductor Confidential Proprietary. Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. Freescale Semiconductor, Inc. 2004 MC33993 开关监测 Slide 11Freescale Semiconductor Confidential Proprietary. Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. Freescale Semiconductor, Inc. 2004 MC33889 基础电源芯片带低速容错CAN两路5V输出：主输出Vdd1专门供微控制器使用，副输出V2供其余需要5V电源的器件四种工作模式Normal、Stop、Sleep、StandbyNormal模式，两路5V输出都有效，芯片内的看门狗监视系统工作是否正常。当车锁处于关闭状态，并且车门锁好，顶灯非强制打开时，系统处于休眠过程中，该芯片进入Stop状态主5V输出Vdd1提供一定的电流输出，维持主控制器休眠时需要的功耗，次5V输出V2停止向外输出电流，即停止向系统中其余外围模块供电，以节省功耗
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