Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
WCH CH572Q
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
15
specifications
Core information
- Product name
- WCH CH572Q
- Type
- WCH
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- WCH
- Electronic Component
- CH572Q
- Electronic Component
- 1
- Package
- DFN-10-EP(3x3)
- Electronic Component
- MCU(MCU / MPU / SOC)
- Electronic Component
- 0.05g
- Electronic Component
- 1
- Features
- Gate (IWDG);; positions(POR); Gate positions; positions(NRST); positions; Integrated LDO
- Electronic Component
- BM0257502284
- Electronic Component
- Electronic Component
- Electronic Component
- 5000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
CH572Q 产品概述
一、产品概况
CH572Q 是南京沁恒（WCH）推出的一款功能集成度较高的微控制类器件，面向需要可靠复位与低功耗管理的小型嵌入式系统。器件集成独立看门狗（IWDG）、日历功能、上电复位（POR）、看门狗复位、外部管脚复位（NRST）、软件复位以及片上 LDO，封装为 DFN-10-EP（3×3），适合空间受限的消费类与工业类终端产品。
二、主要功能特性
- 独立看门狗（IWDG）：提供硬件看门狗保护，有助于在软件异常时自动复位，提升系统可靠性。
- 日历功能：内置实时时钟/日历模块，便于时间戳、定时唤醒与定期任务的实现。
- 复位机制：支持上电复位（POR）、看门狗复位、外部 NRST 管脚复位和软件触发复位，覆盖多种异常与维护场景。
- 集成 LDO：片上低压差稳压器简化外部电源设计，方便在电池供电或单电源系统中使用。
三、封装与引脚注意
器件采用 DFN-10-EP（3×3）小封装，带裸露散热焊盘（EP），适合紧凑型 PCB 布局。使用时应注意：
- EP 焊盘需可靠焊接并与地平面良好连接，以保证散热与地回路完整；
- VCC/LDO 输入与输出端应靠近放置去耦电容，减小寄生与瞬态响应；
- NRST 等复位相关引脚的外部滤波/上拉需根据系统抗干扰要求设计。
四、典型应用场景
- 低功耗物联网终端、传感器节点：集成 LDO 与 RTC，有利于睡眠唤醒与定时采集；
- 工业控制与小型仪表：多路复位机制与独立看门狗提高运行可靠性；
- 家用电器与智能模块：小型封装便于节省 PCB 面积，适合单片控制需求。
五、设计与调试建议
- 上电与复位序列：在系统设计时明确 POR 与 NRST 的驱动条件，确保外部电源稳定后才释放复位；
- 看门狗策略：合理设置看门狗喂狗周期与超时，避免误触发，也能有效捕获死循环等故障；
- RTC 与供电管理：长时间保留日历功能时注意备份电源或低功耗策略；
- PCB 布局：将电源滤波、LDO 输出与地焊盘靠近，NRST 引脚走线避免长引线与噪声源并行。
总结：CH572Q 在小封装下集成了关键的复位、守护与时间管理功能，适合对可靠性、体积与功耗有较高要求的嵌入式应用。设计时重点关注电源去耦、散热焊盘连接与复位策略，可充分发挥器件的稳定性与实用性。
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