WMSIC Electronic Components

ESPRESSIF ESP32-S3-WROOM-1U-N4 ESP32

ModelESP32-S3-WROOM-1U-N4
PackageSMD,18x19.2mm
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
ESPRESSIF ESP32-S3-WROOM-1U-N4
Type
SMD, 18X19.2MM
Minimum package
650 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ESPRESSIF
Electronic Component
ESP32-S3-WROOM-1U-N4
Electronic Component
1
Package
SMD,18x19.2mm
Electronic Component
Other Module
Electronic Component
2.28g
Frequency
2.4GHz
Electronic Component
1
Power
20.5dBm
Current
355mA
Electronic Component
BM0259314213
Operating Temperature
40℃~+85℃
Operating Voltage
3V~3.6V
Interface Type
I2C;UART;SPI;USB;I2S
Receiver Current
95mA

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

ESP32-S3-WROOM-1U-N4 产品概述

一、产品简介

ESP32-S3-WROOM-1U-N4 是乐鑫(ESPRESSIF)推出的一款多协议 SMD 封装无线模块,基于高性能 ESP32-S3 内核,集成 4 MB SPI Flash,并通过 IPEX 天线接口提供外置天线连接能力。模块尺寸紧凑(18 × 19.2 mm),适合对空间、射频性能与外设兼容性有较高要求的嵌入式应用。模块支持 2.4 GHz Wi‑Fi 与 Bluetooth 5.0(低功耗蓝牙),并提供丰富的常用外设接口(I2C、UART、SPI、USB、I2S),便于快速集成和产品开发。

二、主要技术参数

  • 核心芯片:ESP32-S3(Xtensa 系列高性能 MCU,支持多协议无线功能)
  • 无线协议:Bluetooth 5.0(BLE)与 2.4 GHz Wi‑Fi(802.11 b/g/n)
  • 工作频段:2.4 GHz
  • 发射功率:最大 20.5 dBm
  • 接收灵敏度:-98.2 dBm(典型)
  • 工作电压:3.0 V ~ 3.6 V
  • 发射电流:355 mA(峰值)
  • 接收电流:95 mA(典型)
  • 存储:4 MB SPI Flash
  • 封装/尺寸:SMD,18 × 19.2 mm
  • 天线接口:IPEX(外接天线)
  • 工作温度:-40 ℃ ~ +85 ℃
  • 品牌:ESPRESSIF(乐鑫)

三、接口与外设能力

ESP32-S3-WROOM-1U-N4 提供常用且灵活的外设接口,便于连接各类传感器与外设:

  • 串口:多路 UART,适用于通信与调试
  • 串行外设:SPI(高速外设通信)、I2C(传感器、EEPROM 等)
  • 音频接口:I2S(数字音频流)
  • USB:支持 USB 接口,便于固件升级与外设连接
    模块还支持 GPIO、PWM、ADC(视具体引脚分配而定),能满足多数物联网、工业控制与消费电子场景的硬件需求。

四、射频与天线建议

  • IPEX 天线接口方便用户根据应用场景选择外置天线(增益天线、定向天线或天线延长线),以提升覆盖或适配天线布置约束。
  • 布局建议:天线周围应保持合适的空白区(避开金属和大面积地层),确保天线性能不受影响;地平面应连续以保障射频回流。
  • 若需通过天线匹配进一步优化发射与接收性能,建议在设计初期与天线供应商或射频工程师配合进行调试。

五、电源与可靠性注意

  • 供电要求为 3.0–3.6 V,因模块在发射瞬间电流峰值可达 355 mA,电源方案需能提供足够的瞬态电流能力。建议使用低噪声 LDO 或 DC-DC,关键位置添加合适的去耦电容(如多个 10 μF 与 0.1 μF 并联)。
  • 为了稳定工作并防止复位或掉线,PCB 设计应考虑电源回路的阻抗最小化与稳压余量。
  • 工作温度范围 -40 ℃ 至 +85 ℃,适合工业级应用,但在极端环境下仍需关注散热与可靠性测试。

六、典型应用场景

  • 智能家居:智能照明、门锁、传感器网关,结合 BLE 与 Wi‑Fi 实现本地与云端互联。
  • 工业物联网:现场节点、数据采集、远程监控,利用耐温与抗干扰优势。
  • 可穿戴与便携设备:配合低功耗 BLE 在短距离通信场合高效工作(需注意电源设计以延长续航)。
  • 音频设备:通过 I2S 实现数字音频传输,应用于智能音箱、语音交互终端。
  • 快速原型与量产产品:SMD 封装、标准化引出与 4 MB Flash 为常见软件需求提供便利。

七、开发与集成建议

  • 开发阶段建议使用官方 SDK(ESP-IDF)进行固件开发,利用其成熟的 Wi‑Fi 与 BLE 协议栈以及丰富驱动库。
  • Flash 4 MB 在多数应用中足够,但若需更大存储或运行复杂模型,应评估扩展 Flash/外部存储或优化固件大小。
  • 生产阶段注意 PCB 尺寸与封装对齐、天线方向与周边金属件排布,以及模块周围的接地与电源走线规范,确保射频与电源性能达标。

ESP32-S3-WROOM-1U-N4 以其高集成度、丰富接口与外置天线灵活性,适合对无线性能与外设扩展兼顾的嵌入式产品。合理的电源与天线设计、基于 ESP-IDF 的软件开发流程,将有助于快速实现稳定可量产的终端设备。

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