WMSIC Electronic Components

WCH CH583M

ModelCH583M
PackageQFN-48(5x5)
BrandWCH
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+

Available for RFQ

Technical data

Product details

15 specifications

Core information

Product name
WCH CH583M
Type
WCH
Minimum package
490 托盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
WCH
Electronic Component
CH583M
Electronic Component
1
Package
QFN-48(5x5)
Electronic Component
MCU(MCU / MPU / SOC)
Electronic Component
0.971g
Electronic Component
1
Features
positions(POR); Gate positions; Built-in General Purpose; Built-in Temperature Sensor;; positions(NRST); positions; Integrated LDO
Electronic Component
BM0231132776
Electronic Component
Electronic Component
Electronic Component
490

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

CH583M 产品概述

一、产品简介

CH583M 是南京沁恒(WCH)推出的一款功能集成度高的微处理器(MPU),采用 QFN-48 (5×5 mm) 封装。器件在片内集成了日历(RTC)、看门狗复位、上电复位(POR)、通用定时器、温度传感器、触控功能、软件复位与外部管脚复位(NRST),并内置 LDO,适合对体积、功耗和可靠性有较高要求的嵌入式应用场景。

二、主要功能与特性

  • 日历功能(RTC):支持实时时钟与日期计时,便于低功耗时钟记录与闹钟功能实现。
  • 上电复位(POR):保证上电瞬态期间器件进入可靠初始状态。
  • 看门狗复位:硬件看门狗提高系统鲁棒性,可防止软件死循环或奔溃。
  • 通用定时器:内置定时/计数资源,可用于定时中断、PWM 输出、事件捕获等。
  • 集成温度传感器:用于片内温度检测与热管理,便于温度补偿与报警。
  • 触控功能:支持电容式触控接口,便于实现按键或滑动等人机交互。
  • 外部管脚复位(NRST)与软件复位:支持外部强制复位与软件触发复位机制。
  • 集成 LDO:片内线性稳压器简化电源设计,减少外部元件数量。

三、核心模块详解

  • 可靠性模块:POR 与 NRST 提供硬件层面的上电与外部复位能力;看门狗为软件故障提供自动恢复机制。
  • 计时与控制:内置通用定时器配合 RTC 可实现复杂的时间控制、事件调度与低功耗唤醒策略。
  • 感知与人机接口:温度传感器提供环境/器件温度测量能力;触控模块支持电容按键设计,减少机械件。
  • 电源管理:集成 LDO 有利于缩减 BOM,但仍需关注输入电源纹波与 LDO 的散热特性。

四、封装与电气注意事项

  • 封装信息:QFN-48 (5×5 mm),建议在 PCB 设计中为裸露焊盘留足热焊盘与回流焊工艺预留。
  • 电源与接地:关键电源引脚应做去耦电容(推荐多级)并靠近芯片布局;大地平面尽量完整以降低噪声。
  • NRST 与 POR:外部复位引脚应加合适上拉/下拉和瞬态抑制电路以避免误复位。
  • 触控线路:触控电极布局应避免高速信号线与大面积金属干扰,走线尽量短且同层连续。
  • 温度传感:片内温度测量为芯片近场温度,若需精确环境温度应做校准或外部传感器补偿。

五、典型应用场景

  • 智能家居控制器、遥控器与键盘触控面板;
  • 可穿戴设备与便携式电子产品(需低功耗时钟与温度监控);
  • 工业控制与仪表(看门狗与可靠复位保障稳定运行);
  • 小型消费类电子(集成 LDO 与触控降低 BOM 成本)。

六、设计与使用建议

  • 阅读并严格遵循官方数据手册中关于电源、时序与复位的建议,避免自行假设电压/时序极限。
  • 在可靠性关键应用中启用看门狗并设计合理的喂狗策略;使用 NRST 作为外部诊断或强制重启手段。
  • 对触控与温度功能进行系统级校准以获得稳定的用户体验与精确的温度读数。
  • PCB 布局时优先考虑电源与地平面的完整性,LDO 输出和敏感模拟引脚需做滤波和去耦。

总结:CH583M 以其高度集成的复位、计时、感知与触控功能,适用于多类中小型嵌入式系统,能够在减少外部元件、提升系统可靠性与缩小方案体积方面带来明显优势。欲获取更详细的电气参数与引脚定义,请参考 WCH 官方数据手册。

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