WMSIC Electronic Components

ESPRESSIF ESP32-S3R8 ESP32

ModelESP32-S3R8
PackageQFN-56(7x7)
BrandESPRESSIF
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

18 specifications

Core information

Product name
ESPRESSIF ESP32-S3R8
Type
ESPRESSIF
Minimum package
2000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ESPRESSIF
Electronic Component
ESP32-S3R8
Electronic Component
1
Package
QFN-56(7x7)
Electronic Component
Wireless Transceiver IC
Electronic Component
0g
Electronic Component
1
Electronic Component
BM0264576595
Operating Voltage
3V~3.6V
Electronic Component
Bluetooth; Wi Fi
Interface Type
I2C;I2S;UART;USB;SPI
Frequency
2.412GHz~2.484GHz
Electronic Component
Electronic Component
Electronic Component
2000

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

ESP32-S3R8 产品概述

一、产品简介

ESP32-S3R8 是乐鑫(ESPRESSIF)推出的一款高度集成的 2.4GHz 无线射频片上系统(SoC),内置双核 MCU,支持 Wi‑Fi 2.4GHz 与 Bluetooth Low Energy 5.0 双模通信。器件封装为 QFN-56(7×7 mm),芯片内置 8 MB Octal SPI PSRAM(die),适合需要本地高速缓存与复杂算法处理的嵌入式无线应用。

二、主要特性

  • 支持 Wi‑Fi 2.4GHz 与 BLE 5.0 combo;
  • 双核 MCU(用于应用与实时处理分工);
  • 内置 8 MB Octal SPI PSRAM(die inside);
  • 多种主流外设接口:I2C、I2S、UART、USB、SPI;
  • 支持 DMA 功能以提升数据搬运效率;
  • 工作电压范围:3.0V ~ 3.6V;
  • 工作温度范围:-40℃ ~ +65℃;
  • 封装:QFN-56(7×7 mm),便于 SMD 装配与批量生产。

三、关键技术参数

  • 频率范围:2.412 GHz ~ 2.484 GHz(典型 2.4GHz ISM 频段);
  • 输出功率:最高约 18.5 dBm(具体可通过固件/寄存器调整);
  • 数据速率:可达 150 Mbps(视信道、带宽与链路条件而定);
  • 发射电流(Tx):典型 283 mA(在最高输出功率时);
  • 接收电流(Rx):典型 88 mA;
  • 接收灵敏度:-74.2 dBm(典型值,具体根据速率与测试条件变化);

四、典型应用场景

  • 智能家居与家电远程控制;
  • 物联网网关与边缘节点;
  • 工业传感与无线数据采集;
  • 可穿戴设备与健康监测(需注意功耗与天线方案);
  • 音频流与语音交互(利用 I2S/USB 接口);
  • 视觉/AI 边缘算力场景(结合外部 PSRAM/FLASH 使用)。

五、接口与外设说明

  • 串行通讯:UART(用于调试与外设通讯);
  • 串行总线:I2C(传感器/外设),SPI(外部 FLASH/外设);
  • 音频接口:I2S(数字音频输入/输出);
  • USB:提供主/从或串口桥接能力(视具体封装引脚);
  • DMA:支持外围直接内存存取,减轻 CPU 负载,提高数据吞吐。

六、典型电气与射频设计建议

  • 电源:为满足峰值发射电流(283 mA),建议使用低 ESR 电源并在 3.3V 线路上配置足够的去耦电容(例如多个 10 μF 与 0.1 μF 并联靠近 VCC 引脚);
  • 天线:合理选择 PCB 天线或外置天线并优化匹配网络,确保天线旁边有连续的参考地平面与合适的隔离空间;
  • 地平面与接地:QFN 封装需在 PCB 下方保留饱满的焊盘与接地通孔,以利散热与屏蔽;
  • 布局:高速接口与射频部分应最小化回路面积,数字与模拟地分区并在单点相连;
  • 热管理:高发射功率与持续传输时注意芯片温升,必要时在 PCB 上设计热扩散铜区域。

七、封装与生产注意

  • 封装:QFN-56(7×7 mm),适合自动贴装与回流焊工艺;
  • 焊盘设计:参考厂商封装手册配置焊盘尺寸与焊膏模板,确保溢焊与冷焊问题被控制;
  • 可靠性:工作温度 -40℃ ~ +65℃,在极端环境或长期高温工作需评估老化与降频策略。

八、使用建议与注意事项

  • 固件调校:输出功率、速率、蓝牙连通策略等可通过固件和驱动调整以平衡覆盖与功耗;
  • PSRAM 使用:内置 8 MB Octal PSRAM 有利于大缓冲、高速数据处理,但请注意堆栈/堆的配置与外设 DMA 的地址映射;
  • 认证合规:若用于产品商用,需考虑所处市场的 Wi‑Fi/BLE 认证与射频合规性(例如 FCC、CE 等);
  • 电源完整性:供电瞬态响应对射频性能与复位行为影响显著,推荐在设计中预留启动与复位监控。

总结:ESP32-S3R8 以其高集成度、多接口与内置大容量 PSRAM,为需要 2.4GHz 无线连接与本地计算能力的嵌入式产品提供了灵活且成本效益高的方案。合理的 PCB 射频与电源设计可显著提升其性能与稳定性。若需更详细的引脚分配、封装尺寸或参考电路,请参照乐鑫官方数据手册与硬件设计指南。

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