WMSIC Electronic Components

STC STC15F2K48S2-28I-LQFP44 STC15F2K48S2

ModelSTC15F2K48S2-28I-LQFP44
PackageLQFP44(12*12)
BrandSTC
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

18 specifications

Core information

Product name
STC STC15F2K48S2-28I-LQFP44
Type
STC
Minimum package
1600 托盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
STC
Electronic Component
STC15F2K48S2-28I-LQFP44
Electronic Component
1
Package
LQFP44(12*12)
Electronic Component
MCU(MCU / MPU / SOC)
Electronic Component
0g
CPU
8 Bit
CPU
51
Electronic Component
1
Electronic Component
BM0265108005
CPU
28MHz
Electronic Component
Electronic Component
Electronic Component
1600
Electronic Component
48KB

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

STC15F2K48S2-28I-LQFP44 产品概述

一、产品简介

STC15F2K48S2-28I-LQFP44 是 STC 推出的 51 系列增强型单片机,封装为 LQFP44(10×10mm),面向需要较多 I/O 与模拟输入的中小型嵌入式控制应用。该器件采用 FLASH 程序存储器,容量 48KB,具有丰富的片上资源,适合替代传统 8051 系列在工业控制、仪表、家电和消费类电子中的应用。

二、关键规格

  • CPU 内核:51 家族(增强型)
  • 程序存储:48KB FLASH
  • I/O 数量:42 路可用 I/O
  • ADC:10-bit 精度(多通道)
  • 工作电压:4.5V ~ 5.5V(典型 5V 供电)
  • 封装:LQFP44,封装尺寸 10×10mm
  • 品牌:STC

三、主要功能特点(典型)

  • 丰富的数字接口与中断源,便于外设扩展与事件响应。
  • 多路定时/计数器和 PWM 输出,适合电机控制与 PWM 调光。
  • 10-bit ADC,适用于传感器信号采集;常用参考为 VCC,建议使用稳定电源作参考。
  • 支持片上看门狗与电源复位(BOD)功能,提高系统可靠性。
  • FLASH 可经串口 ISP/下载(STC 常见的串口烧录方式),便于开发与维护。

四、设计与使用建议

  • 电源:器件要求 4.5V~5.5V,若系统为 3.3V,请在 I/O 与电源间增加电平转换措施。
  • 去耦:在 VCC 与 GND 之间靠近芯片放置 0.1µF 陶瓷去耦电容,外加 4.7–10µF 电解/固态电容作整机旁路。
  • ADC:ADC 精度受参考电压与源阻影响,建议提供低噪声稳定参考(或滤波)并将模拟和数字地线合理分离与汇流。输入阻抗宜保持较低(<10kΩ)或加运算放大器缓冲。
  • 晶振与时钟:若使用外部晶振,走线尽量短并远离噪声源;如使用内部振荡器,注意频率容差对通信时序的影响。
  • PCB 布局:GND 采用完整平面,敏感模拟走线远离高频开关与大电流回路;IO 口出板应考虑 ESD 保护与限流防止损坏。
  • 烧录与调试:利用厂商提供的串口/ISP 方案可在系统板上直接升级固件,调试时注意复位和串口引脚状态。

五、典型应用场景

  • 工业控制与自动化节点(传感器采集、开关控制)
  • 家电控制板(电机、风扇、按键与指示灯驱动)
  • 仪器仪表(模拟量采集、显示与数据传输)
  • 消费类电子(遥控、接口扩展、低速通信)

六、封装与采购提示

  • LQFP44(10×10mm)利于表面贴装与散热,适合中等密度 PCB 布局。
  • 选型时确认供货版本与温度等级,注意原理图中 5V 电源规划与 IO 兼容性。

总结:STC15F2K48S2-28I-LQFP44 在 51 系列架构下提供较大 FLASH、丰富 I/O 与 10-bit ADC,适用于对成本、体积与功能有平衡需求的嵌入式项目。设计时重点关注 5V 电源管理、ADC 参考及 PCB 去耦布线,可显著提升系统稳定性与测量精度。

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