【选型】国产TVS阵列用于高速公路ETC系统HDMI接口ESD防护设计,典型容值低至0.6pF
高速公路ETC系统上会配有标准的HDMI接口,为避免其接口因静电影响造成传输的数据丢失或相关敏感电子器件被打死,可选择多通道低容值TVS阵列设计,选型条件参考如下:
1、 高抗ESD:至少至少满足IEC 61000-4-2 (ESD) ±15kV (Air)、±8kV (Contact)测试能力;
2、 小尺寸:选择阵列封装;
3、低容值,结电容小于1pF
针对如上设计需求,推荐硕凯电子四通道TVS阵列SE05NRE14GA,典型I/O对地电容低至0.6pF,采用DFN2510封装,最大反向工作电压5.0V,接触放电能力达±25kV,空气放电能力±17kV,工作温度范围-55~125℃,典型HDMI端口应用电路如下图1所示。
图1:硕凯电子TVS阵列SE05NRE14GA用于HDMI端口ESD防护典型应用示意图
推荐理由如下:
1、每个输入/输出电容低至0.6pF(typ),有助于维护信号完整性,并最大限度地减少数据丢失;
2、高抗ESD能力:提供高达±25kV/Air,±17kV/Contact ESD测试能力,具有出色的抗ESD能力;
3、走线采用“直通型”设计结构,可保障信号完整性、减少电压过冲并简化印刷电路板设计;
4、世强平台常备库存,具有良好的供货交期,可以快速支持样品和量产服务。
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电子商城
品牌:硕凯电子
品类:Ultra-Low Capacitance TVS Protection Diode
价格:¥0.1500
现货: 0
品牌:硕凯电子
品类:Bi-directional Ultra Low Capacitance TVS Array
价格:¥0.1250
现货: 200
品牌:硕凯电子
品类:Bi-directional Ultra Low Capacitance TVS Array
价格:¥0.1500
现货: 20
现货市场
服务
测试1.2/50us-8/20us组合波,10/700us-5/320us组合波,8/20us单波。能够模拟雷电瞬变引起的浪涌冲击抗干扰测试,最高电压达20KV,电流达20KA。点击预约,支持到场/视频直播测试,资深专家全程指导。
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测试等级:空气放电30KV±5%;接触放电30KV±5%,适用标准:GB/T 17626.2、IEC61000-4-2、ISO10605、GB/T 19951;给用户产品出电路保护设计方案建议及整改。点击预约,支持到场/视频直播测试,资深专家全程指导。
实验室地址: 深圳/上海 提交需求>
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