WMSIC Electronic Components

GATEMODE HMT231T

ModelHMT231T
PackageSOP-8
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 26+

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Technical data

Product details

19 specifications

Core information

Product name
GATEMODE HMT231T
Type
GATEMODE
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
GATEMODE
Electronic Component
HMT231T
Electronic Component
1
Package
SOP-8
Type
CAN Transceiver
Electronic Component
CAN Transceiver
Electronic Component
0.186g
Electronic Component
1
Channel Count
1
Features
ESD; Low Power
Electronic Component
BM0264870591
Operating Temperature
40℃~+125℃
Operating Voltage
3.3V
Operating Current
2mA
Data
5Mbps

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

HMT231T CAN收发器产品概述

HMT231T是捷茂微(GATEMODE)推出的一款高速低功耗CAN收发器,专为工业级、低功耗及高带宽通信场景设计,兼顾可靠性与灵活性,可满足多种复杂环境下的总线通信需求。

一、产品定位与核心优势

HMT231T针对CAN总线通信的核心痛点优化,核心优势集中在三个维度:

  • 低功耗适配:2μA典型静态电流、2mA工作电流,支持电池供电场景长期待机,解决传统CAN收发器功耗过高的问题;
  • 宽温可靠性:-40℃~+125℃工业级温度范围,覆盖严寒、高温等极端环境(如户外监测、车载终端);
  • 高速通信:最高5Mbps数据速率,兼容CAN 2.0A/B协议,满足工业现场对高速数据传输的需求。

二、关键技术参数解析

1. 通信性能

  • 协议兼容性:完全兼容CAN 2.0A/B协议,可对接主流CAN控制器(如SJA1000、STM32内置CAN模块);
  • 速率范围:支持1Mbps~5Mbps可调,默认最高5Mbps,满足机器人控制、PLC数据交互等高速场景;
  • 延迟特性:收发延迟<1μs,确保总线通信的实时性,避免数据丢包或延迟。

2. 电源特性

  • 供电电压:3.3V±5%(典型值3.3V),适配多数MCU的IO电压,无需电平转换;
  • 静态电流:2μA(典型值),休眠模式下功耗极低,适合电池供电的远程节点(如智能农业传感器);
  • 工作电流:2mA(典型值),正常通信时功耗可控,平衡性能与功耗成本。

3. 环境适应性

  • 温度范围:-40℃~+125℃,符合工业级I级温度标准,可在户外、高温车间等场景稳定运行;
  • 抗干扰:内置CAN_H/CAN_L端口过压/欠压防护,支持±15V总线电压范围,降低电磁干扰影响。

三、封装与引脚设计

HMT231T采用SOP-8贴片封装,体积小巧(5.2mm×6.0mm),适合紧凑PCB设计,引脚定义清晰:

引脚 功能 说明 1 VCC 3.3V电源输入 2 GND 电源地 3 CAN_L CAN总线低电平端 4 CAN_H CAN总线高电平端 5 S 休眠/唤醒控制端(可选) 6 TX 发送数据输入(MCU→收发器) 7 RX 接收数据输出(收发器→MCU) 8 NC 空引脚

封装优势:贴片式设计易自动化焊接,引脚间距1.27mm,兼容常规PCB制程,降低生产难度。

四、典型应用场景

HMT231T可覆盖多领域需求:

  1. 工业自动化:PLC模块、传感器节点、机器人控制器的CAN总线通信;
  2. 低功耗物联网:电池供电的远程环境监测终端、智能农业土壤传感器;
  3. 车载电子:车载网关、车身控制单元(BCM)的辅助通信(需结合整车EMC测试);
  4. 智能家居:智能网关与安防摄像头、智能家电的高速互联。

五、应用注意事项

  1. 电源滤波:VCC引脚需并联100nF陶瓷去耦电容,靠近芯片放置,抑制电源噪声;
  2. 总线匹配:CAN总线两端需并联120Ω终端电阻(仅两端,中间节点无需),确保阻抗匹配;
  3. 休眠唤醒:若需低功耗模式,可通过S引脚(引脚5)控制休眠/唤醒,唤醒后自动进入正常通信;
  4. ESD防护:CAN_H/CAN_L端口建议外接TVS管(如SMBJ6.5CA),增强静电防护能力。

总结:HMT231T以高速、低功耗、宽温为核心特性,结合SOP-8封装的易用性,是工业、物联网等领域CAN总线通信的高性价比选择。

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