【产品】用于宽带电力线载波通信的线驱动器功放芯片COS6212，内置共模缓冲电路和过温保护电路

时间： 2021-12-05 来源：科山芯创

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科山芯创推出的COS6212是一颗应用于宽带电力线载波通信的线驱动器功放芯片，内置一对差分高压电流模反馈放大器，具有较低的失真和杂散噪声。COS6212内置共模缓冲电路和过温保护电路，当芯片内部温度达到140℃时，保护电路启动，并会输出高电平FLAG，通知MCU降低发送信号的幅度或者停止发送信号。该电力线载波线驱动器COS6212采用高压芯片工艺，供电电压最高支持40V。芯片采用QFN24（4mm x 5mm）散热加强型封装，工作温度范围 -40~125℃。

基本特点

■ 单电压+8V到+40V供电

■ 控制逻辑电平2.5~5V

■ 最高线性输出驱动电流500mA

■ 最高短路电流600mA

■ 50MHz信号带宽

■ 低失真和低杂散噪声

■ 低功耗（关断电流：0.2mA）

■ 内置过温保护电路

■ 集成共模缓冲电路

■ ESD: HBM ≥ ±5KV MM ≥ ±250V

应用领域

■ 宽带电力线载波通信

■ 宽带视频线驱动器

■ 智能电表

■ 智能家居

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本文由香菜脆脆鲨转载自科山芯创，原文标题为:8V to 40V 电力线载波线驱动器（PLC Line Driver），本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。

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公司简介 MOS管/比较器/存储器电路/达林顿阵列电源管理电路低压差稳压器线性稳压/通用接口电路驱动/音频电路运算放大器/时基与时钟/逻辑电路&其他电路微处理器运放接口半导体器件概览

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DRIVER/LINE RECEIVER,三个三输入或门,峰值输出LDO稳压器,步进电机控制器,双4位二进制同步加计数器,三3输入端与非门,双通道运算放大器,三路模拟开关,单精度定时器,低压降线性稳压器,SEVEN SERIAL BINARY COUNTER DIVIDER,PROGRAMMABLE OPERATIONAL AMP,翻两番半H驱动器,QUAD 2-INPUT OR GATE,7通道达林顿管阵列,六反相缓冲/变换器,MOS管,TRISTATE D LATCH,通用音频解码器锁相环电路,高精度温度传感器,双互补对加反相器,高输入电压，低IQ帽LDO稳压器,THREE GROUPS OF A MULTI-CHANNEL ANALOG ELECTRONIC SWITCH,单片采样保持放大器,负电压调节器,CMOS双4级静态移位寄存器,THREE 3-INPUT AND GATE,LNB SATELLITE RECEIVER IC,SHIFT REGISTER,可编程振荡器/定时器,双路定时器,串行接口，8位LED显示驱动器,CONSTANT CURRENT LED DRIVER IC,并行输入移位寄存器,THREE 3-INPUT NAND GATE,PRECISION VOLTAGE-TO-FREQUENCY CONVERTER,八进制计数/分配器,MOSFT,MICROPOWER LOW-DROPOUT VOLTAGE REGULATOR,十进制计数/分配器,八D触发器（三态同相）,DUAL OUTPUT LOW POWER TEMPERATURE SENSOR,低噪声四通道JFET运算放大器,四个双输入或门,反向器电流（六反向器）,POWER MANAGEMENT CIRCUITS,降压型转换器吗,逻辑电路,COMS定时器,HIGH INPUT IMPEDANCE OPERATIONAL AMPLIFIER,16选1模拟开关,PHASE-LOCKED LOOP,11-CHANNEL 12-BIT SERIAL A/D CONVERTER,高输入阻抗运算放大器,双主-从D型触发器,3至8行解码器,8-CH HIGN VOLTAGE SOURCE DRIVER,FUNCTION MODEL GENERATOR,低功耗双通道JFET运算放大器,函数模型生成器,LOW NOISE DUAL JFET OPERATIONAL AMP,三态非反相八进制透明锁存器,VIDEO SYNC SEPARATOR IC,CHOOSE ONE OF TWO GROUPS OF FOUR ANALOG MULTIPLEXER SELECTOR SWITCH,八进制3态非反转透明锁存器,六倒相器,EARTH LEAKAGE CURRENT DETECTOR,NEGATIVE VOLTAGE REGULATOR,四通道差分比较器,双八选一模拟开关,三线串行EEPROM,LCD/LED驱动IC,输出LDO稳压器,16路模拟分离器,实时时钟/日历,双主引D型触发器,CONSTANT CURRENT CONTROL IC,POSITIVE VOLTAGE REGULATOR,COLD-COMPENSATED THERMOCOUPLE AMPLIFIER 计数器IC,七个串行二进制计数器分频器,电压模式PWM控制器,低噪音运放,可编程运算放大器,OCTAL COUNTER DIVIDER,8输入端或非门/或门,SIX INVERTERS,三线-八线译码器,三线八线译码器,高电流超低压差稳压器,DC/DC变换器控制电路,WIDE BANDWIDTH QUAD JFET OPERATIONAL AMP,8-输入或非门/或门,DECIMAL COUNTER DIVIDER,8个D闭锁,SYNCHRONOUS REVERSIBLE COUNTER,FOUR 2-INPUT AND GATE,22KH SWITCH CHIP SATELLITE RECEIVER IC,QUAD 2-INPUT NOR(NAND) BUFFERED B SERIES GATE,LOW OFFSET VOLTAGE OP AMP,CMOS8级移位存储总线寄存器,差动比较器,四个双输入NAND施密特触发器,八选一模拟开关,高保真音频功率放大器,LOW POWER DUAL JFET OPERATIONAL AMP,宽带高速JFET双运算放大器,CMOS DUAL 4-STAGE STATIC SHIFT REGISTER,16 ANALOG SPLITTER,PRECISION VOLTAGE REFERENCE CIRCUIT,DC/DC CONVERTER CONTROL CIRCUIT,HIGH INPUT VOLTAGE,LOW IQ CAP LDO REGULATOR,低压差稳定器,PRECISION TEMPERATURE SENSOR,四通道CMOS差分线路接收器,四传输门,SIX INVERTING BUFFER/CONVERTER,8个D触发器（三态相位）,精密电压频率转换器,三态D锁存器,UNIVERSAL TONE DECODER PLL CIRCUIT,反相器,六同相缓冲/变换器,高压降压控制器,LED升压驱动IC,通信定时器,比较器,降压稳压器,DIFFERENTIAL COMPARATOR,八D触发器,3 ENTER THE THREE NAND GATE,三个三输入与门,点/条显示驱动程序,精密电压基准电路,低压低压差稳压器,FOUR TRANSMISSION GATES,低噪声双JFET运算放大器,双路输出低功耗温度传感器,可调精密并联稳压器,三组一的多路模拟电子开关,COMS QUAD 2-INPUT NOR GATE,宽带宽双通道JFET运算放大器,HEX UNBUFFERED INVERTER,QUAD OPERATIONAL AMP,达林顿阵列,手表IC,MICROPROCESSOR,零漂移运放,HG9923,DS1302,TEA2025,DS1307,CD4069,XC61C-XX,CD4075,CD4073,TL494,NE556,NE555,CD4078,CD4077,75N08,HGC5615,24C128,CD4071,CD4070,KA7500,HG9261XX,FCF8563,LM3480,74HC4067,LM311,LM432,LM431,LM555,LM317,74HC32,74HC595,CD4068,CD4067,CD4066,74HC238,HG51031,CD4060,24C256,HG1201-XX,HG9921,MAX6576,HG9922,LM4580,74HC00,74HC03,HG202,74HC02,MAX3085,74HC04,HG3480,74HC07,HGV8144,HGV8142,CD4094,LM386-1,HGV8141,LM1084,LM1085,HG29100-XX,LM1086,HGC29300-XX,CD4093,74HC4046,LM1081,HG9910,LM1083,HG335,74HC14,LM79XX,HG24C08B,HG18B20,74HC573,74HC574,HGC5620,74HC4053,74HC08,HGC29150-XX,74HC4051,74HC4052,HGV8091N,CD4081,LM385-2.5,LP2954,ZNBG4000,LP2951,LMV321,LP2950,ICL8038,HG8F629,74C194,HG8F628,NE594,HGC2543,MAX7219,HG75176,HGC2549,HG2003,HGV8092N,LM29150,HG2004,LM4250,HG13085,HG3232,HG235,LM78XX,HG232,HG1051,LM358,HG1052,HGV8558,HGV8555,HGV8556,HGV8554,LM2937-XX,HGV8551,HGV8552,CA3140,HG8F630,HG8F873,AD590,74HC273,HG2593,LM1117-XX,LM321,HG485,HG2591,LP3965-XX,LM324,HG2592,LM567,13N50,LM317M,LM317L,74HC123,74HC244,74HC245,74HC125,HG8F887,HG8F883,LM317T,LM7660,LM331,HG135,HG0066,HG0065,HGC1589,LM336,HGV8965N,LM339,HGV8334,HGV8331,HGV8332,74HC132,74HC374,74HC138,74HC139,DS1990,74HC373,LM386,CD40106,LP2997,LP3965,LP2996,LP2995,XC62FP-XX,LM78L05,LM78L06,MC3845,LM78L08,LM78L09,LMV358,MC3842,MC3844,9N90,MC3843,TDA2822,LM385,HG6008,HG24C02B,HGV2774,HGV2771,HG5171,HGV2772,TDA8138,LM78M12,TDA8137,LM78M15,HGC5213-XX,74HC192,74HC193,74HC194,LM393,HG3085,ZNBG3211,HG24C256,MAX487,74HC86,MAX489,74HC165,LM78M05,HG1582-XX,MAX488,LM78M06,TL072,LM2940-XX,HGV258,LM78M08,LM78M09,TL074,50N06,28N60,74HC164,HGC1549,ULN2803,ULN2804,HG298,HG297,HG24C128,HGC1543,MAX232,TL082,HGV8094,HGV8092,TL084,HG1203-XX,HGV8091,HG293,LMC555,HG54123,LM2904,HG6570,LM2901,HGV8048,LM2902,HGV8045,LM2903,HGV8046,HGV8044,HGV358,HGV8041,HGV8042,85N06,HG3078,MAX490,HG3075,MAX491,HG3072,74HC74,HGV224,TL064,TL062,HGV221,MIC5212,HG1108-XX,HGV8064,HGV8061,HGV8062,HG24C04B,HG24C16B,DS75176,50N50,HGV8054,HGV324,HGV321,LM8002,XC62GR-XX,HG24C32,HGC29500-XX,HGV8928,TEA2822,HG75HVD3082E,HG7189,LM3916,LM78LXX,IRF830,LM3915,HG93C56,LM3914,TL064C,HGC8F630,MXA485,HG2981,HG2980,LM2954,HG93C46,LM285-2.5,HGC52XX,HG34C86,HG34C87,HGC8F629,MAX13805,MC34119,MC34118,LM2576-XX,IRF730,HG8137,CD4528,HG7169,70N06,LM78MXX,CD4520,TLC2543,HG8138A,HG1734,HG1735,20N60,HG1185-XX,HG1851,IRF840,CD4518,HG1990,CD4517,HG1991,LM285-1.2,HG7179,LM1881,24C64,CD4511,LM2931-XX,HGL297,HGL298,HG93C66,HG1509,KA7500B,LF347,LM29302,HG1501,HGC8F887,HG1621,HG75LBC184,HG75LBC182,CD4543,TL072C,TL084C,HG2803,HGL293,LF398,HG75LBC176,IRF740,3N80,CD4538,CD4541,XC62GP-XX,24C32,HG1205-XX,20N50,MAX1487,4N60,MC1403,24C08,MAX202,TL074C,TL062C,TLC5615,HG1937,LM2575-XX,HG1932,24C02,24C01,24C04,HG7012,CD1046,LM78L12,LM78L15,CD4562,HG809,LM29502,24C16,HG2571,HG2572,HG2573,HG3421,HG3420,11N90,12N60,ICL7660,93C06,HGC5219,LM2596-XX,CD1068,HGV8725N,TDA2030,75N75,HG8F676,HG8F675,LM4860,HG3423,HG1487,HG3422,HGV8061N,LM3414,HG1583,LM1117,LM4862,LM4861,HG1580,LM4863,TL082C,CD4007,LM385-1.2,HG1208-XX,TDA2003,CD4013,CD4011,HGV8062N,LM4990,LM4871,HG8F683,HG8F684,ULN2003,ULN2004,LM2574,LM2575,HGV8538,LM2576,HGV8535,HGV8536,HGV8534,HGV8531,MC34063,HGV8532,LM7905,LM809,CD4001,HG3526,HG3525,24C512,HG3524,LM35,LM7915,LM741,LM7912,HGV8968,HGV8726,HGC8F683,HGV8966,HGV8725,CD4028,HG24C512,CD4027,HGV8965,CD4025,OP07,10N80,74HC540,74HC541,ICL7106,PCF8563,ICL7107,HG4824,HGV8052N,LM4890,HGC8F676,HGC8F675,LM7805,LM7924,TD62083A,LM2596,CD4017,LM79LXX,CD4015,LM7809,LM7808,LM7806,CD4020,HGV2771N,CD4024,CD4023,CD4022,HG26C31,HG26C32,10N60,LM56,LM7815,HG56,ZNBG6000,LM7812,TD62084A,HG70XX,74HCU04,NE5532,CD4049,CD4053,CD4052,CD4051,93C66,CD4050,HG2982,HG2985,UC3845,LM4558,HG24C64,74LVC1G04,UC3842,UC3843,UC3844,LM79MXX,7N60,TLC1543,93C56,CD4040,CD4046,74HC533,74HC534,LM4560,HGC8F684,仪器仪表,开关电源,工业自动化,通讯,网络,智能家居,LED显示,金卡工程,汽车电子,通讯与网络

2019/9/11 - 选型指南代理服务技术支持采购服务

科山芯创-TI对照表

本资料为科山芯创与TI（德州仪器）元器件对照表，列出了两者在多个型号上的对应关系。包括运放、精密仪器放大器、比较器、模拟开关等品类，涵盖了不同的封装形式和产品描述。

科山芯创 - 接口芯片,精密低噪声运算放大器,低噪声双运算放大器,精密低功耗仪表放大器,LOW-NOISE DUAL OPERATIONAL AMPLIFIERS,轨到轨输入/输出低功耗运算放大器,大电流低压差稳压器,PRECISION LOW-POWER INSTRUMENTATION AMPLIFIER,HIGH-CURRENT LOW DROPOUT REGULATORS,微安级运放,LOW COST MICRO POWER OPERATIONAL AMPLIFIERS,高速精密运放,PRECISION LOW-NOISE OPERATIONAL AMPLIFIERS,RRIO零漂移运算放大器,DIFFERENTIAL PLC LINE DRIVER,低功耗推挽输出比较器,精密仪器放大器,SINGLE POLE/SINGLE THROW (SPST) CMOS ANALOG SWITCHES,LDO,RAIL-TO-RAIL INPUT/OUTPUT OPERATIONAL AMPLIFIERS,低噪声运算放大器,RAIL-TO-RAIL INPUT/OUTPUT MICRO POWER OPERATIONAL AMPLIFIERS,电力线载波,高精度零漂移运放,单刀单掷（SPST）CMOS模拟开关,轨到轨输入/输出运算放大器,、轨到轨输入/输出高速运算放大器,轨到轨输入/输出微功耗运算放大器,高速运放,精密运放,RRIO ZERO-DRIFT OPERATIONAL AMPLIFIERS,RAIL-TO-RAIL INPUT/OUTPUT HIGH SPEED OPERATIONAL AMPLIFIERS,、轨到轨输入/输出微功耗运算放大器,模拟开关,LOW-POWER PUSH-PULL OUTPUT COMPARATORS,轨到轨运放,差分PLC线路驱动器,低噪声运放,RAIL-TO-RAIL INPUT/OUTPUT LOW POWER OPERATIONAL AMPLIFIERS,低成本微功耗运算放大器,通用运放,高精度零漂移运算放大器,RAIL-TO-RAIL INPUT/OUTPUT MICRO POWER OPERATIONAL AMPLIFIERS,比较器,TLV7011DBVR,COS12A12511,OPA2314AIDR,COS4515TR,TCAN1042V,TLV3201AIDBVR,OPA4227UA,COS2177SR,COS4177TR,COS2252SR,COS721TR,COS822SR,OPA2347AIDR,COS2353SR,LMV822MX/NOPB,TS12A4515DBVR,OPA379AIDCKR,OP07CDR,COS2333SRC,COS2333SRA,COS2333SRB,OPA277,COS324SR,COS2347SR,SN65HVD1782DR,LMV722IDGKR,COS128U,OPA4277,TS12A4514DBVR,THS6212IRHFR,COS358SR,COS324TR,TLC2272AIDR,COS5532MR,LM29302,COSOP07SR,COS227USR,OPA227U,COS5532DT,COS358TR,COS6212Q24R,LMV721IDBVR,INA129UA,LMV358IDR,OPA2277,COS128UA,COS227U,TS12A12511,COS2374SR,COS1333TRA,LMV722IDR,OPA4333,COS1333TRB,OPA2333AIDR,COS1333TRC,COS1333TRD,OPA2374AID,COS3201TR,OPA333AIDBVR,INA129U,COS1042T/3,LMV324IDR,COS2262SR,LMV358IDDUR,COS1177MR,COS5532SR,COS129U,COS485RS,COS29302,COS4514TR,OPA2353UA,OPA2227U,NE5532AD,TLC2262AIDR,COS2333MRC,COS2333MRA,COS2333MRB,INA128U,LMV324IPWR,COS722TR,COS2272SR,INA128UA,SA5532AD,COS129UA,TLC2252AIDR,COS4227UATR,COS379SR,COS2314SR,COS4514,COS1177SR,COS722SR,COS620ARZ,COS4333SRC,COS2227USR,COS4333SRA,COS4515,COS4333SRB

2023/5/27 - 对照表代理服务技术支持采购服务

COS6212 8V至40V差分PLC线路驱动器

COS6212是一款专为宽带电力线通信（PLC）应用设计的高线性度差分线路驱动放大器，适用于需要驱动重载的应用。它集成了共模缓冲器，减少了系统成本和板空间。具有可调电流引脚（IADJ）和多种偏置设置，以实现增强的节能效果。该产品具有宽输出摆幅、低失真和高电流驱动能力，适用于智能电表、家庭网络PLC、宽带视频线路驱动和差分DSL线路驱动等领域。

科山芯创 - DIFFERENTIAL LINE-DRIVER AMPLIFIER,DIFFERENTIAL PLC LINE DRIVER,差分线驱动放大器,差分PLC线路驱动器,COS6212Q20R,COS6212Q24R,COS6212,宽带电力线通信线路驱动器,SMART METERS,HOME NETWORKING PLC,DIFFERENTIAL DSL LINE DRIVER,差分DSL线路驱动器,BROADBAND POWER LINE COMMUNICATIONS LINE DRIVER,宽带PLC线路驱动器,宽带视频线驱动器,家庭联网PLC,BROADBAND POWER LINE COMMUNICATIONS,BROADBAND PLC LINE DRIVER,宽带电力线通信,BROADBAND VIDEO LINE DRIVER,智能电表

2023/12/8 - 数据手册 - Rev1.2 代理服务技术支持采购服务查看更多版本

科山芯创（COSINE）高性能模拟及射频芯片选型指南

公司简介运放系列驱动芯片电源管理/射频芯片接口芯片

科山芯创 - 纳米功率运算放大器,PWM控制器,音频功率放大器,隔离接口芯片,GAN驱动芯片,HIGH SPEED COMPARATORS,线路驱动器,AB类音频功率放大器,微安级运放,RS-485 接口芯片,高速精密运放,高速电力线载波功放,MOSFET DRIVER,高精度零漂运放,车载 CAN FD 接口芯片,HIGH PRECISION OPAMPS,高精度运算放大器,音频驱动程序,高速运算放大器,HIGH AND LOW SIDE 驱动芯片,INSTRUMENTATION AMPLIFIERS,微功率运算放大器,精密运放,纳安级运放,AUDIO DRIVERS,SPDT/SPST模拟开关,GENERAL PURPOSE OPAMPS,ANALOG SWITCHES,低噪声运放,高速MOSFET/SIC/GAN驱动芯片,信号调理芯片,接口芯片,HPLC线驱动器,高速比较器,低功耗RS-485/RS-422收发器,射频收发芯片,HPLC LINE DRIVER,MICRO POWER OPAMPS,射频收发器,音频功放芯片,零漂移运算放大器,CLASS AB AUDIO POWER AMPLIFIER,音频线路驱动器,纳安级（超低功耗）运放,LOW-POWER RS-485/RS-422 TRANSCEIVERS,ZERO-DRIFT OPAMPS,精密仪器放大器,HIGH SPEED OPAMPS,射频集成电路,电源管理芯片,LDO,音频驱动芯片,低噪声运算放大器,RRIO运算放大器,高速MOSFET驱动芯片,RS-485接口芯片,高精度零漂移运放,SIC驱动芯片,AUDIO LINE DRIVER,射频芯片,MOSFET驱动器,高速运放,RFIC,RF TRANSCEIVERS,通用运算放大器,车载CAN FD接口芯片,LOW NOISE OPAMPS,模拟开关,轨到轨运放,RRIO OPAMPS,低功耗CAN FD收发器,运算放大器,OPERATIONAL AMPLIFIERS,LINE DRIVERS,PMIC,仪表放大器,HIGH AND LOW SIDE驱动芯片,驱动芯片,LOW-POWER CAN FD TRANSCEIVERS,通用运放,NANO POWER OPAMPS,高速MOSFET 驱动芯片,AUDIO POWER AMPLIFIER,高压大电流线性稳压器,运放,音頻功放,COS2170,COS4425,COS4228,COS4426,COS393,COS4423,COS4347,COS4424,COS1314,COS4427,COS4428,COS6002,COS29152,COS6001,COS8820,COS6044,COS358,COS8221,COS29750,COS4421,COS4422,COS2244,COS991,COS1353,COS6004,COS29752,COS605,COS722,COS6042,COS6041,COS724,COS603,COS29150,COS604,COS2113,COS29502,COS4379,COS2314,COS1347,COS3525,COS4890,COS4374,COS324,COS721,COS4333,COS29300,COS4177,COS3201,COS485,COS244,COS2991,COS2353,COS321,COS29500,COS29302,COS8052,COS8054,COS4171,COS8092,COS8094,COS4170,COS8051,COS8091,COS1333,COS171,COS2347,COS2228,COS170,COS4561,COS379,COS5532,COS331,COS1177,COS4244,COS1374,COS821,COS228,COS822,COS824,COS2333,COS4514,COS2379,COS4314,COS4515,COS1042T,COS8830,COS620,COS2171,COS8551,COS2374,COS8552,COS4991,COS4353,COS2177,COS8554,COS6212,数据集中器,变频器,智能硬件,滤波器,便携式音频设备,车载电子,掌上电脑,便携式系统,音视频播放器,物联网,工业控制处理,安防监控,家庭影院,GPON,手持设备,智能音箱,移动电话,逆变器,网络通讯设备,家电,电源管理,工业医疗设备,视频播放器,智能电网,线驱动器,A/D转换器,可穿戴设备,称量秤,机顶盒,开关电源,数字化视频光盘,车载,无线充,传感器放大,马达驱动,车联网,PDA,电池管理系统,DVD播放器,工业物联网,智能家居,电流检测,电力行业,通讯网络,顶顶盒,工业,智能电表,储能,MOS管驱动,医疗仪器,电机驱动,工业控制,医疗设备,充电桩,驱达驱动,数字万用表,平板电脑,EPON,对讲机,音频,电池供电智能硬件,通信设备,DVD,电池充电,编码器,工厂自动化,工业自动化控制,人机界面HMI,光伏逆变器,传感器,音频放大,汽车电子

2023/3/7 - 选型指南代理服务技术支持采购服务

您好，一个PLC项目原先采用TI的THS6222的驱动芯片与海思的HI3921方案，现在将THS6222替换为科山芯创的COS6212遇到了问题，COS6212没有工作

区别，PIN4脚，偏置调节脚，TI的电阻在内阻直接接地，COS6212是需要外接电阻在到地，如果按照原来的电路设计，会有不工作的情况。

2022-08-03 - 技术问答

使用科山芯创COS13487芯片实现485收发功能自动切换

科山芯创的COS13487是集成了自动选向控制功能的RS-485收发器，此外还具有热插拔功能，可以消除上电或热插入时总线上的故障瞬变信号。COS13487具有自动收发控制功能，可节省外部隔离器，只需两个光耦即可实现收发器的电气隔离。通过对比可以看到使用COS13487芯片进行485通信处理更加方便和高效。

2024-08-09 - 设计经验代理服务技术支持采购服务

【应用】国产USB转串口芯片CH9102X助力智能电表设计，通讯速率最高可达4Mbps

智能电表可以实时采集用户使用的用电量信息，通过无线模块将数据传输给云端服务器供用户随时查询。电表的通讯部分除了使用无线模块将数据传输到云端服务器，还有使用串口接收供电公司的计算机指令，目的是能够控制任意电表的用电关断与数据传输。由于计算机上的串口资源有限，且只能对应单一的设备，USB相对串口，传输速率更快并且支持一对多设备。因此使用USB转串口芯片将串口资源紧缺的计算机能够通过USB的方式

2022-11-16 - 应用方案代理服务技术支持采购服务