ECM和车载现状和趋势幻灯片.ppt

1、,P1,ECM和车载模组的现状及趋势,P2,ECM部分：,1、更高SNR的mic是永恒的追求 2、 ECM发展统一 3、mic的组件拓展,P3,1、更高SNR的mic是永恒的追求,1）用户界面交互方式在不断演变,2）MIC SNR 目前状况： 70dB、 75dB、 80dB,P4,2、ECM发展统一,1、ECM尺寸种类齐全，包括各种外径及高度尺寸，但现在看尺寸规格已高度统一 1）、3.0mm 、4011产品系列 已逐步开始不具备生产能力 2）、ECM的主流型号4013、4015、6022、6027、97（10）45 2、小型化、数字化已不是ECM的发展方向 3、ECM 自身的装配工艺也限制M

2、IC 灵敏度1dB的批量生产，Sens及相位的配对主要依靠筛选解决,P5,3、mic的组件拓展,ECM单体具有成本优势，结合Gettop的电声定位及测试能力，可提供优势的声学产品组件 1、耳机PCB的排版测试图片 2、会议系统部分组件图片,P6,车载模组部分,何为汽车级 1 工作温度范围 2 质量水平 3 环境负荷试验简介 车载整机模组定制化 1 定制开发费用 2 开发过程的规范化和双方的深度融合 现有车载模组应用 Interface style Main Automobile Customer,何为汽车级,Page 7,0+70,SMD,-40+85,商业级,工业级,手机、耳机、PC、DSC

3、,话务耳机,-55+150。,军工级,汽车工业级（-40+125 ）,非SMD,会议电话,小型指向型,远场指向型,车载语音,车载ANC,Gettop spec -2060C,Gettop spec -4085C,1、工作温度范围：-40125C，目前汽车电声模组要求-4085,更接近于工业级,P8,何为汽车级,2、质量水平 ECM等电声器件的水平1000ppm，H客户要求车载的目标 10ppm，16年供货H客户车载整机产品质量水平是0.3ppm。,P9,何为汽车级,3、环境负荷试验简介-举例（不同客户，具体试验要求略有不同）,P10,车载整机模组定制化,1、定制开发费用 1）器件开模费用和工装

4、仪器定制化费用,2）试验费用（一次费用清单）,P11,车载整机模组定制化,2、开发过程的规范化和双方的深度融合 竞标潜在供应商审核项目启动产品开发及客户端配合产品定型DV样品及环境负荷试验PV样品及环境负荷试验Run at RatePPAPSafe LunchLunch,P12,现有车载模组应用,Hands-free and speech recognition (afterloading),Hands-free and speech recognition,Active noise cancelation,Specifications,现有车载模组应用, Voice communicatio

5、n in automotive Cardioid microphone Being fixed on the steering wheal or sun visor afterloading 3500mm wire with 3.5mm plug Advanced weather resistance performance,Key Features,Frequency Response, Sensitivity: -35+/-3dB (-42 +/-3dB) Current consumption: 500uA Operation voltage range: 2 5V Sensitivit

6、y difference between 0and 180: More than 10dB at 1KHz SNR: More than 58dB,P13,Mechanical outline,Program Introduction: Program Stage: MP SOP timing:2007 End Customer: J&K&S,Specifications,现有车载模组应用,Key Features,Frequency Response, Sensitivity: -10+/-3dB Current consumption: 6mA Typical Operation volt

7、age range: 8 12V Directivity: Cardioid speech microphone SNR: Typical 62dBA at 1KHz for 1Pa (1Pa=94dBSPL=10Bar),P14,Mechanical outline, Voice communication in automotive Cardioid microphone Connector was assigned by automotive customer Advanced weather resistance performance,Program Introduction: Pr

8、ogram Stage: MP SOP timing:Jun,2014 End Customer: T&C&FF&V,Specifications,现有车载模组应用,Key Features,Frequency Response,P15,Mechanical outline, Active noise cancellation in automotive Omni-directional microphone Connector was assigned by automotive customer Advanced weather resistance performance Advance

9、d phase consistency under different temperature, Sensitivity: -14+/-3dB Output impedance: 50 Frequency response:30Hz-1000Hz Operation voltage range: 8 9V Current consumption: 5mA SNR: No less than 40dBA at 74dBSPL,Program Introduction: Program Stage: MP SOP timing:2011 End Customer: A&G&C&F,P16,9 t=

10、4.5mm Omni-directional ECM,Part No.: BOM9745CP4.5-Y433-RC101n-AM ,Frequency Response,Mechanical Outline,Key Features High SNR and AOP Better phase performance at high temperature，suit for vehicle ANC,Specifications,Sensitivity -43dB Frequency range 3010000Hz Current consumption 0.2mA max SNR 70dB typ.