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»论坛 › 嵌入式/单片机论坛 › MCU综合技术区 › ADM3485E芯片 具有三重保护的RS-485接口方案 电路原理 ...
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ADM3485E芯片 具有三重保护的RS-485接口方案 电路原理图+BOM表

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ID:124161 发表于 2016-6-17 21:04 | 显示全部楼层 |阅读模式

实物图：
0.png

电路使用ADM3485E收发器，是经过验证并测试的电磁兼容性(EMC)解决方案，可为使用广泛的RS-485通信端口提供三重保护。每个解决方案都经过测试和特性表征，确保收发器和保护电路元件之间的动态交互能够协同工作，保护它们免遭静电放电(ESD)、电快速瞬变脉冲群 (EFT)和电涌的破坏——分别由IEC 61000-4-2、IEC 61000-4-4 和IEC 61000-4-5标准定义。本电路使用ADM3485E提供经过验证的RS-485接口ESD、EFT和电涌(常见于恶劣工作环境) 保护。

电路原理图：
0.png


BOM表：
ATESTPOINTTESTPOINTNoTopNANANANA
ATESTPOINTTESTPOINTNoTopNANANANA
C1CAP0603100nF603YesTop100nF 0603 CapMulticompMCCA000159FEC 1759016
C2CAP0603100nF603YesTop100nF 0603 CapMulticompMCCA000159FEC 1759016
C3CAP0603100nF603YesTop100nF 0603 CapMulticompMCCA000159FEC 1759016
C4CAP-TAJ-C100nFCAP-TAJ-CYesTopType C 10uF Capacitor 25VKemetT491C106K025ATFEC1457463RL
ATESTPOINTTESTPOINTNoTopNANANANA
BTESTPOINTTESTPOINTNoTopNANANANA
BTESTPOINTTESTPOINTNoTopNANANANA
BTESTPOINTTESTPOINTNoTopNANANANA
DETESTPOINTTESTPOINTNoTopYellow Test PointsVero20-313140FEC8731187
DETESTPOINTTESTPOINTNoTopYellow Test PointsVero20-313140FEC8731187
GDT1GDTGDTYesTopGas Discharge TubeBourns2038-15-SM-RPLF
DETESTPOINTTESTPOINTNoTopYellow Test PointsVero20-313140FEC8731187
DITESTPOINTTESTPOINTNoTopYellow Test PointsVero20-313140FEC8731187
DITESTPOINTTESTPOINTNoTopYellow Test PointsVero20-313140FEC8731187
DITESTPOINTTESTPOINTNoTopYellow Test PointsVero20-313140FEC8731187
GNDTESTPOINTTESTPOINTNoTopBlack Test PointsVero20-2137FEC8731128
GNDTESTPOINTTESTPOINTNoTopBlack Test PointsVero20-2137FEC8731128
J1TERMINAL-BLOCK-4-PINTERMINAL-BLOCK-4-PINNoTop4-Pin Terminal BlockCamden-BossCTB5000/4FEC151791
J2TERMINAL-BLOCK-4-PINTERMINAL-BLOCK-4-PINNoTop4-Pin Terminal BlockCamden-BossCTB5000/4FEC151791
J3TERMINAL-BLOCK-4-PINTERMINAL-BLOCK-4-PINNoTop4-Pin Terminal BlockCamden-BossCTB5000/4FEC151791
J4TERMINAL-BLOCK-4-PINTERMINAL-BLOCK-4-PINNoTop4-Pin Terminal BlockCamden-BossCTB5000/4FEC151791
J5TERMINAL-BLOCK-4-PINTERMINAL-BLOCK-4-PINNoTop4-Pin Terminal BlockCamden-BossCTB5000/4FEC151791
J6TERMINAL-BLOCK-4-PINTERMINAL-BLOCK-4-PINNoTop4-Pin Terminal BlockCamden-BossCTB5000/4FEC151791
J7TERMINAL-BLOCK-2-PINTERMINAL-BLOCK-2-PINNoTop2 pin terminal BlockCamden-BossCTB5000/2FEC151789
J8SDP-STANDARD-CONNCON-120/FX8-120S-SV_W/SYesTop120-way connector, 0.6mm pitchHiroseFX8-120S-SV(21)FEC 1324660
LK1JUMPER-3JUMPER-3NoTop2x3 pin array and jumperFCI and HarwinFCI 77313-418-72LF and M7566-05FEC1097959 and FEC150411
LK2JUMPER-3JUMPER-3NoTop2x3 pin array and jumperFCI and HarwinFCI 77313-418-72LF and M7566-05FEC1097959 and FEC150411
LK3JUMPER-3JUMPER-3NoTop2x3 pin array and jumperFCI and HarwinFCI 77313-418-72LF and M7566-05FEC1097959 and FEC150411
LK4JUMPER-3JUMPER-3NoTop2x3 pin array and jumperFCI and HarwinFCI 77313-418-72LF and M7566-05FEC1097959 and FEC150411
LK5JUMPER-3JUMPER-3NoTop2x3 pin array and jumperFCI and HarwinFCI 77313-418-72LF and M7566-05FEC1097959 and FEC150411
LK6JUMPER-3JUMPER-3NoTop2x3 pin array and jumperFCI and HarwinFCI 77313-418-72LF and M7566-05FEC1097959 and FEC150411
LK7JUMPER-3JUMPER-3NoTop2x3 pin array and jumperFCI and HarwinFCI 77313-418-72LF and M7566-05FEC1097959 and FEC150411
LK8JUMPER-3JUMPER-3NoTop2x3 pin array and jumperFCI and HarwinFCI 77313-418-72LF and M7566-05FEC1097959 and FEC150411
R1RES0603???603YesTopNANANANA
R2RES0603???603YesTop0.069W 0603 1% 120RMultiCompMC 0.063W 0603 1% 120RFEC9330496
R3RES0603???603YesTopNANANANA
R4RES0603???603YesTopNANANANA
R5RES0603???603YesTop0.069W 0603 1% 120RMultiCompMC 0.063W 0603 1% 120RFEC9330496
R6RES0603???603YesTopNANANANA
R7RESDNP1%R0603YesTopSMD ResistorMulticompMC 0.063W 0603 0RDNP
R8RES100K1%R0603YesTopSMD ResistorMulticompMC 0.063W 0603 1% 100KFEC 9330402
R9RES0603???603YesTopNANANANA
R10RES0603???603YesTop0.069W 0603 1% 120RMultiCompMC 0.063W 0603 1% 120RFEC9330496
R11RES0603???603YesTopNANANANA
R12RES100K1%R0603YesTopSMD ResistorMulticompMC 0.063W 0603 1% 100KFEC 9330402
GNDTESTPOINTTESTPOINTNoTopBlack Test PointsVero20-2137FEC8731128
GNDTESTPOINTTESTPOINTNoTopBlack Test PointsVero20-2137FEC8731128
GNDTESTPOINTTESTPOINTNoTopBlack Test PointsVero20-2137FEC8731128
GNDTESTPOINTTESTPOINTNoTopBlack Test PointsVero20-2137FEC8731128
GNDTESTPOINTTESTPOINTNoTopNANANANA
GNDTESTPOINTTESTPOINTNoTopNANANANA
GNDTESTPOINTTESTPOINTNoTopNANANANA
RETESTPOINTTESTPOINTNoTopYellow Test PointsVero20-313140FEC8731187
RETESTPOINTTESTPOINTNoTopYellow Test PointsVero20-313140FEC8731187
RETESTPOINTTESTPOINTNoTopYellow Test PointsVero20-313140FEC8731187
ROTESTPOINTTESTPOINTNoTopYellow Test PointsVero20-313140FEC8731187
ROTESTPOINTTESTPOINTNoTopYellow Test PointsVero20-313140FEC8731187
TBU1TBUTBUYesTopTransient Blocking UnitBournsTBU-CA065-200-WH
TBU2TBUTBUYesTopTransient Blocking UnitBournsTBU-CA065-200-WH
TBU3TBUTBUYesTopTransient Blocking UnitBournsTBU-CA065-200-WH
TBU4TBUTBUYesTopTransient Blocking UnitBournsTBU-CA065-200-WH
TISP1TISP-SMBJTISP-SMBJYesTopThyristor Surge ProtectorBournsTISP4240M3BRJ-S
TISP2TISP-SMBJTISP-SMBJYesTopThyristor Surge ProtectorBournsTISP4240M3BRJ-S
TVS1CDSOT23-SM712CDSOT23-SM712YesTopTVS ArrayBournsCDSOT23-SM712
TVS2CDSOT23-SM712CDSOT23-SM712YesTopTVS ArrayBournsCDSOT23-SM712
TVS3CDSOT23-SM712CDSOT23-SM712YesTopTVS ArrayBournsCDSOT23-SM712
U1ADM3485EADM3485EYesTopAnalog DevicesADM3485E
U324LC32MSO8YesTop32K I2C Serial EEPROMMicrochip24LC32A-I/MSFEC1331330
U5ADM3485EADM3485EYesTopAnalog DevicesADM3485EADM3485EARZ
U8ADM3485EADM3485EYesTopAnalog DevicesADM3485EADM3485EARZ
ROTESTPOINTTESTPOINTNoTopYellow Test PointsVero20-313140FEC8731187
VCCTESTPOINTTESTPOINTNoTopNANANANA
VCCTESTPOINTTESTPOINTNoTopNANANANA
VCCTESTPOINTTESTPOINTNoTopNANANANA


0.png

全部资料（压缩包）下载：






解决方案, 静电放电, 工作环境, RS-485, 兼容性

ADM3485E数据手册.pdf

296.56 KB, 下载次数: 19, 下载积分: 黑币 -5

EMCCOMPLIANTRS-485收发器保护电路.pdf

391.62 KB, 下载次数: 38, 下载积分: 黑币 -5

设计和集成文件.zip

631.16 KB, 下载次数: 36, 下载积分: 黑币 -5

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