WMSIC Electronic Components

GATEMODE HMT1042TK

ModelHMT1042TK
PackageDFN-8-EP(3x3)
BrandGATEMODE
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
GATEMODE HMT1042TK
Type
GATEMODE
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
GATEMODE
Electronic Component
HMT1042TK
Electronic Component
1
Package
DFN-8-EP(3x3)
Type
CAN-FDTransceiver
Electronic Component
CAN Transceiver
Electronic Component
1.385g
Electronic Component
1
Channel Count
1
Features
Integrated Level positions; ESD; TXD; Low Power; Bus
Electronic Component
BM0264870605
Operating Temperature
40℃~+125℃
Operating Voltage
4.5V~5.5V
Operating Current
80mA
Data
5Mbps

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

GATEMODE HMT1042TK CAN-FD收发器产品概述

捷茂微(GATEMODE)推出的HMT1042TK是一款专为高速数据传输与低功耗平衡设计的CAN-FD收发器,兼容传统CAN协议与CAN-FD高速模式,在汽车电子、工业控制等领域具备广泛适配性,满足小型化、高可靠性的系统设计需求。

一、产品定位与核心功能

HMT1042TK定位于汽车级/工业级CAN总线物理层接口器件,核心功能是实现微控制器(MCU)数字信号与CAN总线差分信号的双向转换:

  • 发送端:将MCU的TXD数字信号转换为CAN_H/CAN_L差分信号,驱动总线传输;
  • 接收端:将总线差分信号转换为RXD数字信号,反馈给MCU处理;
  • 协议兼容:支持CAN-FD高速模式(最高5Mbps)与传统CAN协议(最高1Mbps),无需硬件修改即可适配不同协议版本,符合ISO 11898-2标准。

二、关键性能参数解析

HMT1042TK的核心参数针对实际应用场景优化,关键特性如下:

1. 数据速率与协议兼容性

  • 支持CAN-FD模式下最高5Mbps传输速率,是传统CAN的5倍,满足汽车动力系统、工业机器人等对高带宽的需求;
  • 向下兼容传统CAN协议(1Mbps),可与现有CAN节点无缝互联。

2. 电压与功耗特性

  • 工作电压范围:4.5V~5.5V,覆盖汽车12V系统降压后的典型电压(如5V),抗电压波动能力强;
  • 动态工作电流:80mA(收发状态),满足高速传输时的功率需求;
  • 静态电流:5uA(休眠模式),显著降低系统待机功耗,适合汽车车身控制、电池供电设备等对低功耗敏感的场景。

3. 封装与尺寸

采用DFN-8-EP(3×3mm) 封装:

  • 体积仅为传统DIP封装的1/5,适合高密度PCB设计(如车载中控、小型工业控制器);
  • 带暴露焊盘(EP),可有效提升散热效率,避免高负载下器件过热,同时增强抗干扰能力。

三、封装与引脚特性

HMT1042TK的DFN-8-EP封装引脚布局紧凑,典型功能如下(具体请参考官方datasheet):

引脚 功能描述 注意事项 CAN_H CAN总线差分信号高电平 需外接120Ω终端电阻(总线两端) CAN_L CAN总线差分信号低电平 与CAN_H形成差分传输 VCC 电源输入(4.5~5.5V) 并联0.1μF滤波电容 GND 接地引脚 与系统地可靠连接 TXD 数据发送(TTL输入) 由MCU输出数字信号 RXD 数据接收(TTL输出) 反馈给MCU处理 STB 待机控制(可选) 低电平进入休眠模式 EP 暴露焊盘 焊接时与PCB地平面连接,提升散热

四、典型应用场景

HMT1042TK的参数特性使其适配多类场景:

  1. 汽车电子:车身控制模块(BCM)、动力总成ECU、车载网关等,低静态电流满足汽车休眠需求,高速传输支持CAN-FD诊断;
  2. 工业自动化:PLC、机器人控制器、伺服驱动器等,5Mbps速率满足工业现场实时数据传输;
  3. 小型设备:智能家居网关、医疗监护仪、便携式仪器等,3×3mm小封装适合紧凑设计;
  4. 通信网关:CAN转以太网、CAN转LIN等网关设备,兼容多协议确保互联互通。

五、应用设计注意事项

为确保稳定工作,设计需注意:

  1. 电源滤波:VCC引脚并联0.1μF陶瓷电容+10μF电解电容,抑制纹波与瞬态干扰;
  2. 总线匹配:CAN总线两端焊接120Ω终端电阻,提升信号完整性;
  3. ESD防护:CAN_H/CAN_L引脚外接TVS管(如SMBJ6.5A),防止静电损坏;
  4. 散热设计:暴露焊盘(EP)与PCB地平面充分连接,预留散热铜箔;
  5. 待机控制:若使用STB引脚,需确保MCU输出电平稳定,避免误触发休眠。

HMT1042TK通过平衡高速传输、低功耗与小体积,为CAN-FD系统设计提供了高性价比解决方案,适配捷茂微的汽车级/工业级品质要求,可满足不同领域的可靠性需求。

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