【选型】CAN隔离芯片Si8642ED-B-IS可pin to pin替换ISO7742用于充电模块,传播延迟低至8ns
近些年来随着我国经济的迅速发展,工业和汽车行业也快速崛起,在众多领域 CAN总线通讯越来越受到人们青睐,CAN总线是具有通信速率高、容易实现、且性价比高等特点,应用于工业领域是具竞争力的重要原因,根据不同的需要可能会设计到多路CAN通讯,且为了保证总线网络的通讯稳定性,一般通讯接口都需要做隔离保护。
通讯隔离主要有以下几点考虑:
1、安规考虑:保护设备和人生安全,对高压进行有效隔离。
2、 通讯稳定性:通过隔离消除地电势差的影响,从而提高通讯的稳定。
3、提高器件可靠性:消除地环路影响。
本文重点介绍SILICON LABS CAN隔离芯片SI8642ED-B-IS替代TI ISO7742简化设计,减小体积可以满足两路CAN通讯的隔离需求相比TI ISO7742具有高性价比优势,完全可以满足工业领域直流充电模块的并机和电池通讯要求。
图1 为在充电模块系统中CAN隔离应用示意图,其中涉及到主控与CAN收发芯片之间的SI8642ED-B-IS具有4个独立隔离通道,属于两正两反,可以满足两路CAN的一收一发信号隔离需求,封装、引脚定义同ISO7742器件都是采用16引脚SOIC宽体封装。
图1 SI8642ED-B-IS在充电模块系统中的应用示意图
通过使用隔离芯片SI8642ED-B-IS有助于防止数据CAN总线或其他电路上的噪声电流进入本地接地以及干扰或损坏敏感电路。凭借创新型芯片设计和布局技术,SI8642ED-B-IS的电磁兼容性得到了显著增强,可轻松满足系统级ESD、EFT、浪涌和辐射方面的合规要求。
如下图为SI8642ED-B-IS和ISO7742电气参数对比:
图2 SI8642ED-B-IS和ISO7742电气参数对比
通过上述图表可清晰看出Silicon Labs SI8642ED-B-IS替代TI ISO7742有以下几点优势:
1.低传播延时,输入输出传输信号低延时到8ns,相比TI ISO7742可使信号更快速响应。
2.高通讯速率,可以支持到150Mbps的通讯速率,满足CAN快速通讯的需求,相比TI ISO7742参数更优。
3.隔离等级5KV,可以满足安规认证及加强绝缘的需求,提高通讯稳定性和器件可靠性,避免损坏。
4.封装上两者的封装以及管脚定义均一致,均为SOCI16宽体封装装,可PIN to PIN 替换,缩短研发工程师替代测试周期,提升测试效率。
综上所述Silicon Labs CAN 隔离芯片SI8642ED-B-IS可完美替换TI ISO7742,8ns低传播延时可使信号更快速响应,高达150Mbps的通讯速率满足CAN快速通讯需求。另外集成4路隔离通道,相比分散式的隔离方案,可以简化设计降低成本,成本和设计方案更具有竞争力。
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格励微发布集成隔离电源的隔离CAN收发器接口芯片GLb3053P,数据速率可高达1Mbps
格励微(GLW)推出的GLb3053P是一款隔离式控制器局域网(CAN)物理层收发器,该器件将双通道隔离器、CAN收发器和隔离式DC/DC 转换器集成于单个SOP表贴封装中,在CAN协议控制器与物理层总线之间创建一个完全隔离的接口,提供了完全隔离的CAN解决方案。
数明半导体精进车载芯片技术,赋能新能源汽车时代!
在新能源汽车产业的变革浪潮中,数明半导体凭借其深厚且持续的技术积累和对市场趋势的精准把握,稳步前行于车载半导体领域。迄今为止,数明半导体车规芯片累计销售量已超过3000万颗。数明半导体的车规芯片产品线丰富多样,紧密贴合新能源汽车行业的发展趋势和市场需求。公司根据市场发展阶段和客户需求,精心规划了电动化和智能化两大阶段的产品布局。
GLW(格励微) 数字隔离器/隔离驱动器/总线接口芯片/隔离DC-DC转换器 选型指南
描述- 中科格励微成立于2017年10月,专注于数字隔离技术研究。公司现有员工200余人,拥有一支设计经验丰富的混合集成电路设计队伍,在北京、天津、西安、成都设立四大研发中心。公司掌握自主知识产权的电磁数字隔离器和电容数字隔离器设计技术,建有完整的数字隔离器设计技术平台、片上变压器/电容器加工工艺平台和隔离全参数测试平台。公司产品包括数字隔离器、隔离电源、总线接口、隔离驱动器等系列产品,产品广泛应用于新能源、工业控制、数字电源、智能电气等领域。
型号- GIC1400H-SW,GID3404A-LB,GIB1251-SN,GID2402A-SN,GIC1400H-SS,GID3404D-SN,GIB2491-SW,GIC1603H-SS,GIC1400H-SN,GIC1603H-SN,GIT3232-ST,GIC1603H-SW,GIC1401L-SW,GIC1211L-SN,GIT3232-SN,GID2402A-SW,GID3403B-LB,GID3404D-SW,GID1200,GIB1260-SW,GIB249X,GIC1402H-SW,GIP6414L-SW,GID2402D-SN,GID2402A-LB,GIC1402H-SS,GID3403B-SW,GID3404D-LB,GIC1201L-SN,GIB2582-SW,GIC1601H -SS,GIC1211L-SW,GIT3232,GID3403B-SN,GID2402D-SW,GIC140X,GIC1200L-SW,GIP5028-SW,GIB3251-SW,GID2402C-SN,GID3403C-SW,GID3404C-LB,GID340X,GIP6412L-SW,GIP6411H-SW,GIC1201H-SN,GIC1600H-SW,GID3403C-SN,GIC1600H-SS,GIP6413H-SW,GIC1600H-SN,GID2402C-SW,GIC1201H-SW,GIB3251,GIC1601L-SW,GIC1601L-SS,GID3404A-SN,GIB2492-SW,GIP6410L-SW,GIC1602H-SW,GID2402C-LB,GID1200-SW,GIC1601L-SN,GIC1602H-SN,GIC1401L-SN,GIC1401L-SS,GIC1602H-SS,GIC1402H-SN,GIP641X,GIB3053-SW,GID3404A-SW,GIC1603L-SS,GIP5028,GIC1603L-SW,GID2402B-LB,GID3403A-SW,GIC1603L-SN,GIC1401H-SW,GID3403A-SN,GIC1400L-SN,GIC12XX,GIC1401H-SS,GIC1400L-SW,GIC1401H-SN,GIB2582,GID3404C-SN,GIC1211H-SN,GIB1250-SN,GIP6411L-SW,GIC1402L-SW,GIC1402L-SS,GIC1211H-SW,GIC1402L-SN,GIP6410H-SW,GIB1260,GID3403C-LB,GID3404C-SW,GIC1200L-SN,GIC1601H-SN,GIC160X,GIC1200H-SN,GID3404B-SN,GIP6413L-SW,GIP6414H-SW,GIB125X,GIC1200H-SW,GID2402D-LB,GIC1600L-SW,GIP6412H-SW,GIC1600L-SS,GID3403D-LB,GID3404B-SW,GIC1201L-SW,GIC1600L-SN,GIB4651-SW,GIB3053,GID2402B-SN,GID3404B-LB,GIC1400L-SS,GID3403D-SW,GIC1602L-SS,GID3403A-LB,GID3403D-SN,GIC1602L-SW,GID2402,GIC1601H-SW,GID2402B-SW,GIC1602L-SN
ROHM(罗姆) IC/功率器件/分立式半导体/无源元件/光学器件/模块 选型指南
描述- ROHM launched the ComfySIL™ brand for customers involved in the design of functional safety to use products that support SIL (Safety Integrity Level) in a ‘Comfy’ (comfortable) manner, and for social systems' greater safety, security, and convenience to which ROHM can contribute through its products.
型号- DTC143TE3,KA2004-H05N20A,ML62Q20XX,RCJ220N25,SML-S13UT,DTC143TEB,RSX101VYM30,SML-D12M8W(C),SDR,R6002JND4,BD60A00NUX,RB238NS150,SML-D12Y8W,SMLA12BN8T,MG6405WZ,BDJ0GA3VEFJ-M,SML-811UT (A),SML-010VT,BD94130EFV-M,DTA124XM,BM2SC123FP2-LBZ,RS3L110AT,RB298T100,DTC143TCA,RSS060P05,BD71L4LG-1,SFR,BR25A512,RGPR20BM36HR,BD95821MUV,BD6995FV,KD2002-G0JB10A,BU23TD2W,SML-S13VT,BD12IC0WEFJ,BU97941FV,SLI-325YC(W),RQ5L015SP,BH7673G,SML-811UT (C),BD52XXG-2C,BD6046GUL,RGW60TS65HR,BD10KA5WFP,BA03CC0FP,SML-D12Y3W,BM6241FS,BD450S5FP2-C,MH2206WZ,BD63521EFV,BU94702AKV,SML-S13PT,RB168MM200,DTC144WCA,BD22621G-M,SLI-343URC,RS6R035BH,BDJ2FC0WFP,RGT20NL65,DTD123TC,DTA015TUB,BD750L5FP-C,BM521Q25F,R8003KNX,BD52XXG-1 SERIES,SML-D12D8W (C),DTA023YEB,UCR006,BD95514MUV,BD9S200MUF-C,SML-H10PD2B,DTD123TK,RFN6T2D,IMX25,BD80FD0WHFP,R6000ENH,SML-S13RT,BU64253GWZ,BD70GC0VEFJ-M,BD52XXG-2M,RBR2LAM30A,CSL0902DT (C),RBR5L30B,RBR5L30A,RSX501LAM20,RCX300N20,KD2003-F0FW00A,BH76363FV,RQ1E075XN,TFZV,RF4G060AT,BD83A04EFV-M,BV1LC085EFJ-C,BD10IC0WHFV,BU2394KN,BAXXBC0,SML-A12MT (J),BU4094BCF,KR2002-D06B71A,BD33C0AWFP2-C,ML86V76580,DTC114YEB,RQ5E020SP,BD63573NUV,DTA015TEB,BA90BC0,DTC114YE3,SML813BNT,BH1730FVC,DAN222WM,BD68888MUV,BM2P241W-Z,PML100,BU34DV7NUX,DTC143TKA,SCS220AJ,SMLK1,BD33GC0VEFJ-M,SCS220AG,R6511ENX,BDJ6FD0WHFP,SMLK18WBNCW,R6511ENJ,CSL0901UT (C),RX3L07BBG,QS8J2,RF305BM6S,SML-011VT (A),BH1603FVC,RS1E180BN,BD53108G-CZ,DTA124EEB,BD8317GWL,BD3508MUV,RB238NS100,BD950M5EFJ-C,BD450S2FP3-C,SML-S13YT,BD00FC0W,SML-010YT,DTA124EE3,BD50HC5VEFJ-M,BD60HA5VEFJ-,SML-H12D8T(C),BD81870MUF-M,RB168LAM-30,RFUH25TB3S,BD9B600MUV,DTD123YC,BM2P159PF,DTC024XUB,SML-P11DT (R),BD725L05G-C,DTA124ECA,RB168LAM-40,RSS065N06,DTD123YK,RH6E040BG,2SC2412K,BD25IC0V,BD25IC0W,BDJ2FC0W,LBP-602MA2,BD46EXX5G-M SERIES,FMY1A,BD7691FJ,BD82004FVJ-M,BDJ0GA3WNUX,BD450S5WFP2-C,SML-522MY8W,DAN222ZM,BM2P060MF-Z,RFS60TZ6S,DTC114YCA,RBR10BGE30A,RBR40NS60A,BH76809FVM,RRH100P03,SCT3105KL,DTC043ZEB,SCT3105KR,BD9060F-C,RQ6E080AJ,BA15DD0WT,RB168LAM-60,R6035KNZ4,DTC144EU3,2SA1037AK,RESD1CANY,DTC144EUB,SML-D13WW (C),BD2266G-M,DTC023EEB,SML-012PT (A),SML-S13DT,RBS1LAM40A,BD7690FJ,DTA143XCA,SMLP2,BSM180C12P2E202,RGTH60TS65D,BD50C0AFP-C,R6035VNX3,BD99950MUV,RE1J002YN,RF101LAM2S,BM61S41RFV-C,2SCR587D3,BD1HC500HFN-C,BU7205S,2SAR553P,BV1LE080EFJ-C,BV1LC150EFJ-C,SML-011DT,RS3E095BN,BD54105G-CZ,2SAR553R,RQ3E130BN,BU2FSA4WGWL,BD15HC5WEFJ,SML-812MT,DTA143XEB,BD9862MUV,BD52W03G-C,BD48W00G-C,DTA143XE3,SLI-325DU(W),LMR982,SLR343WBN2PT2□□□□□□,LMR981,BD37522FS,RB088BM150,RB088LAM100,2SAR552P,BD26503GUL,R8002KND3,2SCR512P5,QS8K2,BU7465S,RFNL15TJ6S,BD733L2FP-C,BD30KA5FP,LM8391EY,QS8J4,BD90C0AFP2-C,QS8J5,BD68710EFV,LB-402VN,BD50C0AWFP-C,BM1Z103FJ,2SAR554P,BD9060HFP-C,BC848BW,YQ30NL10SE,BR25G640,2SAR554R,RGTV80TS65,RB715FM-40,BD62120JEFJ,LB-402VD,RBR15BM30A,DTA124EKA,BA30JC5T,BA178M05FP,BD800M5WFPJ-C,SMLP2 SERIES,BD33IA5WEFJ,BAJ2DD0,2SCR523EBTL□□□,BDXXHC0WEFJ,DTB513ZM,RSDT27BM,SMLEN3WBC8W,BU33UV7NUX,SML-011UT(A),BU97550KV-M,RF101LAM4S,BM2P121X-Z,TE3004-TP1W00A,LBP-602MK2,RB078BM30S,BD8961NV,BD67173NUX,MG7901WZ,DTD123EK,SCS304AM,BU7461S,SCT3060ALHR,BD30FC0WFP,RB088LAM150,RGW00TS65DHR,YQ20BM10SD,RSS100N03,RQ6E045BN,2SAR552P5,BU7462S,RD3L220SN,BD7J101EFJ-LB,1SS390SMFHT2R,DTD123EC,DAN235FM,RFN2LAM6S,SCS215AJHR,BD65496MUV,KA2002-B05B70A,2SC5824,BU52272NUZ,2SC4102U3,BD9B300MUV,RB558WM,DTC114GU3,SML-D12Y1W,BU33SD2MG-M,RBQ15BM45A,BU7464S,BA178M18FP,RV3C002UN,BA178M05CP,SCS304AG,SLI-570 SERIES,BU29TA2W,SCS304AJ,SML-S13MT,BM63374S-VA,BM63374S-VC,RFN2LAM4S,BDJ0GA3V,BD49EXXG-M,BD3575YFP-M,BDJ0GA3W,BM2P13B1J-Z,BU32TD3W,DTA124EUB,RB168MM150,BA178M18CP,BD18IA5VEFJ-M,RB461FM,BU33SA4WGWL,BV1HLC45EFJ-C,DTA124EU3,SIR-56ST3F,BU18JA2VG-C,BD37068FV-M,RB162VAM-20,BU9794AKV,2SCR574D3,BU32TD2W,RGCL60TS60,BD9615MUV-LB,BM2P151X-Z,BD3814FV,LB-402MN,BD41041FJ-C,BD15GA3WNUX,LB-402MD,2SC5866,BU52077GWZ,SLI-343V8R,SML-D13WW (A),BD9573MUF-M,RB088BM100,BD18336NUF-M,SLA580ENT,VS14VUA1LAM,DTC043ZUB,MR7930,BD6326ANUX,SH2104WN,RSX101MM-30,SCT3030KLHR,BU7487,BU7486,BU7485,BU7481,UMZC6-8NFMFHT106,DTC144EE3,BD50GC0VEFJ-M,PMR18L,RD3R05BBH,DTC144ECA,MCR01,VS13VUA1LAM,MCR03,BD2200GUL,RS1E130GN,BD33GA5VEFJ-LB,BU7475,RQ6E030SP,BP3622,BD14210G-LA,BP3621,BSM180D12P3C007,BD63725BEFV,RBR5L40A,SML-Z14YT (A),BU7465,BA17815FP,BU7464,BU7462,BU7461,BU4051BCF,RCJ700N20,VS24VUA1VWM,BD00HC5VEFJ-LB,BD9408FV,BD00HA3VEFJ-LB,RX3P10BBH,KDZV SERIES,BU1ATD2WNVX,RB168MM100,BD8314NUV,BD9107FVM,BD34700FV,BD5466GUL,RF4E080BN,DTC144VCA,DAP202FM,SML-Z14YT (C),BA05CC0T,BA05CC0W,RF6G035BG,UT6KE5,SML-D13FW (C),BD60HC0VEFJ-M,BM2P134EF,BD00GA5VEFJ-M,BD30KA5WF,BU1JTD3W,BD60GA5VEFJ-LB,BD52XXNVX-2C,SML-D15YW (C),BM2P137TKF,MMBZ27VCLY,SML-811VT(A),BU90005GWZ,DTA123YM,RGWX5TS65D,LM358,ML62Q1714C,BA17815CP,BD16950EFV-C,KD3004-TQFW00A,RBR2LAM40A,DTC114WUA,BD33HA5WEFJ,BD00EA5W,UT6KC5,BD18340FV-M,LM324,ML62Q1713C,MCR10,RQ3G110AT,MNR12,MNR15,MNR14,2SCR586J,MNR18,SML-811VT(C),BM6242FS,BU28SA4WGWL,KA2003-B35N00A,MH2205WZ,RFS30TZ6S,LM339,LAP-601DB,BU7495,CSL1101WBDW,BD63536FJ,MNR02,QS6Z5,MNR04,STM 331U,BU1JTD2W,MC
工业应用手册
描述- ROHM公司提供高质量的半导体和电子元件,致力于支持工业设备的技术创新。公司通过垂直整合的生产系统,确保产品的高质量、高可靠性和稳定供应。ROHM的产品涵盖从消费电子和IT设备到汽车和工业系统的广泛市场。公司还提供产品长期供应计划,以满足工业设备市场对长期供应的需求。ROHM通过结合电路设计、布局和制造工艺技术,开发出具有卓越性能的产品,并提供全面的设计支持和服务。
型号- BD52W04G-C,SH8KXX SERIES,BD900N1W,QH8KXX SERIES,BM2SCQ123T-LBZ,R6007RND3,BD900N1G-C,BD2311NVX-C,RBR2VWM60A,BD9XXN1 SERIES,BD933N1,RFS SERIES,RBR1VWM40A,BM2SC12XFP2-LBZ,CSL1901,BP3622,BD14210G-LA,BP3621,SCT4013DW7,BM2P06XMF-LBZ,R6035VNX3,RB068VWM150,R60XXRNX SERIES,CSL1901DW,BD950N1WG-C,BM2P060LF-Z,BM2LE160FJ-C,BV1LE080EFJ-C,BM2SC123FP2-LBZ,SH8MC5,SCT4018KW7,RB168VWM-40,RFL SERIES,SCT4018KE,BD52W03G-C,SCT4026DE,BM2SCQ121T-LBZ,LTR10 SERIES,RB168VWM-60,BD48W00G-C,RBR1VWM30A,SH8MB5,SCT4018KR,SCT4026DR,R6035VNX,BM2P061MF-Z,BM6437X,CSL1901UW,BM64378S-VA,BD900N1EFJ-C,D950N1EFJ-C,SCT4013DE,BM2P063MF-Z,R6024VNX3,SCT4013DR,BD7XXL05G-C,R60XXVNX SERIES,BD950N1,RB068VWM100,RFL,SH8KXX,CSL1901VW,RFS,BD14215FVJ-LA,BM6437X SERIES,PSR,RB168VWM-30,SCT4036KW7,R6004RND3,BM2LE040FJ-C,RF05VAM2S,BD750L05G-C,BM2SC122FP2-LBZ,BD933N1G-C,BD900N1,BM2P061LF-Z,BD52W02G-C,BM64377S-VA,BD933N1EFJ-C,QH8MB5,REFLD002,R60XXRNX,RBLQ2VWM10,PSR500,SCT4026DW7,BV1LE040EFJ-C,RFS30TZ6S,BD900N1WG-C,CSL1901 SERIES,QH8MC5,CSL1901YW,BV1LEXXXEFJ-C,RFL60TZ6S,R6013VND3,PSR SERIES,R6009RND3,R6077VNZ,BM2SCQ122T-LBZ,RFL60TS6D,S WAVE B-01,PSR400,BD933N1WG-C,BD52W01G-C,RB068VWM-60,R WAVE B-01,REFPDT007-EVK-001B,REFPDT007-EVK-001A,REFPDT007-EVK-001C,RFS30TS6D,LTR10,BD950N1WEFJ-C,BM2SC124FP2-LBZ,QH8MX5 SERIES,QH8KB5,R6013VNX,QH8KB6,RBR2VWM30A,BM2LE250FJ-C,BD2311NVX-LB,RGWXX65C SERIES,RGW00TS65CHR,SH8MX5 SERIES,SCT4045DW7,BV1LE250EFJ-C,SCT4036KE,QH8MX5,SCT4045DE,R6024VNX,BM2SCQ124T-LBZ,R6055VNX,R6018VNX,R6055VNZ,SCT4045DR,RGW80TS65CHR,QH8KC6,CSL1901MW,QH8KC5,R60A4VNZ4,RB168VWM150,BD7XXL05G-C SERIES,BD52W06G-C,SCT4062KR,BD48HW0G-C,RBR2VWM40A,BD1421X-LA SERIES,BD9XXN1,R6077VNZ4,BM1390GLV-Z,RGWXX65C,RBR1VWM60A,REFLD002-1,QH8KXX,REFLD002-2,R6055VNX3,BD52W05G-C,BM2P06XMF-LBZ SERIES,SCT4036KR,RFL30TS6D,BD900N1WEFJ-C,BM2LEXXXFJ-C,RFS60TS6D,BD733L05G-C,BD933N1WEFJ-C,SCT4062KE,BM2SC12XFP2-LBZ SERIES,BM64374S-VA,GNE1040TB,BD950N1W,BD725L05G-C,BD933N1W,BD730L05G-C,BM2SC121FP2-LBZ,PSR350,SH8KC6,BM64375S-VA,SH8KC7,BM2LE080FJ-C,SH8MX5,SCT4062KW7,R60XXVNX,PSR100,BV1LEXXXEFJ-C SERIES,RB168VWM100,BD950N1G-C,RGW60TS65CHR,R6055VNZ4,BM2P060MF-Z,RLD90QZWJ,RFS60TZ6S,RLD90QZWD,RLD90QZWC,SH8KB7,RLD90QZWB,SH8KB6,RB068VWM-40,RLD90QZWA,RB068VWM-30,BV1LE160EFJ-C,RLD90QZW8,RFL30TZ6S,BM2LEXXXFJ-C SERIES,RLD90QZW5,BD1421X-LA,PSR330,RLD90QZW3
思瑞浦全矩阵车规产品方案,赋能绿色智行
思瑞浦受邀出席由焉知汽车主办的第四届焉知汽车年会,业务拓展经理犹家元先生发表主题演讲《智驾时代,思瑞浦电源方案助力车载摄像头技术创新》,介绍思瑞浦极具竞争力的电源产品方案组合,并分享思瑞浦为推动整个汽车行业向绿色可持续方向发展所做出的努力与成果。同时,思瑞浦凭借卓越的汽车产品性能和稳定的质量品质,通过严格的筛选与评审,荣获焉知汽车知鼎奖“智能驾驶科技创新奖”。
【应用】接口芯片SIT1044QT/3运用在电力电源模块,可兼容3.3V的I/O口,通讯速率5Mbps
针对电力电源模块的CAN通讯需求,作者比较推荐使用芯力特推出的接口芯片SIT1044QT/3,相比传统CAN芯片的通迅速率更高,同时非隔离方案相比CAN隔离方案设计,能满足设计可靠性要求情况下,设计成本也相对低。接口芯片 SIT1044QT/3的I/O口电压支持3.3V或者5V供电模式,这样就方便电力电源模块的设计者可以灵活的选择不同方式MCU供电方式进行兼容,让设计更具灵活性。
电子商城
品牌:SILICON LABS
品类:Wireless Gecko SoC
价格:¥8.1764
现货: 102,628
品牌:SILICON LABS
品类:Mighty Gecko Multi-Protocol Wireless SoC
价格:¥27.0929
现货: 90,767
现货市场
品牌:SILICON LABS
品类:Switch Hall Effect Magnetic Position Sensor
价格:¥2.2924
现货:126,000
服务
Ignion可支持多协议、宽频段的物联网天线方案设计,协议:Wi-Fi、Bluetooth、UWB、Lora、Zigbee、2G、3G、4G、5G、CBRS、GNSS、GSM、LTE-M、NB-IoT等,频段范围:400MHz~10600MHz。
最小起订量: 2500 提交需求>
提供语音芯片、MP3芯片、录音芯片、音频蓝牙芯片等IC定制,语音时长:40秒~3小时(外挂flash),可以外挂TF卡或U盘扩容。
最小起订量: 1pcs 提交需求>
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