WMSIC Electronic Components

JSMSEMI JSM8223

ModelJSM8223
PackageSOT-23-6
BrandJSMSEMI
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
JSMSEMI JSM8223
Type
JSMSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JSMSEMI
Electronic Component
JSM8223
Electronic Component
1
Package
SOT-23-6
Electronic Component
Touch Controller IC
Electronic Component
0.037g
Electronic Component
1
Channel Count
1
Features
Proximity;; Capacitor
Electronic Component
BM0226444695
Operating Temperature
20℃~+70℃
Operating Voltage
2V~5.5V
Operating Current
1.5uA
Static Current
1.5uA
Electronic Component
Electronic Component

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

JSM8223 — 低功耗电容式触摸控制器(JSMSEMI · 杰盛微)

一、产品概述

JSM8223 为杰盛微(JSMSEMI)推出的一款低功耗电容式触摸控制芯片,面向个人消费电子与智能终端市场。芯片工作电压宽范围(2.0V ~ 5.5V),极低工作与静态电流(1.5 μA),适合电池供电与长期待机应用。器件采用 SOT-23-6 紧凑封装,便于在空间受限的产品中集成。

二、核心参数

  • 工作温度:-20℃ ~ +70℃
  • 工作电压:2.0V ~ 5.5V
  • 工作电流(典型):1.5 μA
  • 静态电流(待机):1.5 μA
  • 芯片功能:电容式触摸检测与处理
  • 封装:SOT-23-6
  • 适用领域:个人消费电子、智能家居、监控门禁、车载电子等

三、主要特性

  • 超低功耗:1.5 μA 的工作与静态电流显著延长电池寿命,适合低功耗设计与便携产品。
  • 宽电压范围:2.0V 至 5.5V 的供电兼容性增强了在不同系统(如单节锂电、两节镍氢或 5V 系统)中的通用性。
  • 电容式触摸灵敏:适配各种触摸板、按键与滑动界面,支持防误触与抗干扰调整(具体灵敏度调节方式请参考芯片应用手册)。
  • 小型封装:SOT-23-6 有利于降低 BOM 成本与 PCB 面积,适合紧凑型产品外形设计。
  • 工业级温度覆盖:满足多数室内/车载等环境的工作温度需求。

四、典型应用场景

  • 个人消费电子:蓝牙耳机、可穿戴设备、便携遥控器等需要长待机的交互终端。
  • 智能家居:智能门锁、面板开关、空气净化器与厨房电器等触控式人机界面。
  • 监控门禁:读卡器、触控式门禁面板与报警器控制面板。
  • 车载电子:仪表、车内控制面板等对触控可靠性与低功耗有要求的场景。

五、设计与应用建议

  • 去耦与电源处理:在芯片 VCC 端靠近焊盘放置 0.1 μF 陶瓷电容,抑制电源噪声,保证触摸测量稳定性。
  • PCB 布局:触摸电极与芯片之间尽量使用短且连续的走线,避免与高速信号线平行走线;为触摸信号设计回流路径或地隔离带以降低串扰。
  • 地环与屏蔽:在敏感区域使用地环或屏蔽层提高抗干扰能力,必要时接地的 guard 环可改善触摸灵敏度与一致性。
  • ESD 保护:触摸面板可能直接暴露在外,建议在输入端加入适当的 ESD 抑制元件与浪涌吸收器件。
  • 校准与滤波:在产品开发阶段进行灵敏度、滤波与去抖参数调优,以适应涂层、玻璃或塑料覆盖层对触控的影响。
  • 功耗优化:结合系统级电源管理策略,在长时间无操作时优先进入低功耗或睡眠模式,利用芯片的极低待机电流实现超低能耗。

六、封装与可靠性说明

SOT-23-6 封装有利于自动贴装与高良率生产。芯片工作温度范围覆盖常见民用与车用近端温度条件。为满足长期可靠性,建议遵循焊接温度曲线与湿敏等级规范,并在实际应用中做环境应力与寿命验证。

七、选型与注意事项

在选用 JSM8223 时,请结合具体触摸电极面积、覆盖材料(如玻璃、亚克力、涂层厚度)与系统噪声环境做样机验证。若系统对通讯接口或多通道管理有额外需求,请参考 JSMSEMI 提供的完整数据手册或联系技术支持获取应用电路与参考设计。

如需更详细的电气特性曲线、引脚定义和参考应用电路,请索取 JSM8223 的数据手册或直接联系 JSMSEMI(杰盛微)技术支持。

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