Table Of Contents - Ebyte ESP32-S3-WROOM-1 User Manual

Table of Contents

Chengdu Ebyte Electronic Technology Co., Ltd.

Disclaimer and Copyright Notice ....................................................................................................................................................... 3

1 Overview ............................................................................................................................................................................................... 4

1.1 Introduction ..............................................................................................................................................................................4

1.2 Features and functions ...........................................................................................................................................................4

2 Electrical Characteristics ...................................................................................................................................................................5

2.1 Absolute Maximum Ratings ................................................................................................................................................ 5

2.2 Recommended working conditions ................................................................................................................................... 5

2.3 DC electrical characteristics ( 3.3V, 25℃ ) ..................................................................................................................... 5

2.4 Power Consumption Characteristics ..................................................................................................................................6

2.4.1 RF power consumption in Active mode .............................................................................................................. 6

2.5 Wi-Fi Radio ..............................................................................................................................................................................7

2.5.1 Wi-Fi RF Standards ...................................................................................................................................................7

2.5.2 Wi-Fi RF Transmitter (TX) Specifications ......................................................................................................... 7

2.5.3 Wi-Fi Radio Frequency Receiver (RX) Specifications ....................................................................................8

2.6 Bluetooth Low Energy Radio ........................................................................................................................................... 10

2.6.1 Bluetooth Low Energy RF Transmitter (TX) Specifications ....................................................................... 10

2.6.2 Bluetooth Low Energy RF Receiver (RX) Specifications ............................................................................12

3 Hardware Description ......................................................................................................................................................................15

3.1 Functional block diagram .................................................................................................................................................. 15

3.2 Mechanical size and pin definition ..................................................................................................................................16

3.2 Module schematic diagram ................................................................................................................................................18

3.2.1 ESP32-S3-WROOM-1 module schematic diagram ....................................................................................... 18

3.2.2 ESP32-S3-WROOM-1U module schematic diagram ....................................................................................19

3.3 Module size ........................................................................................................................................................................... 20

3.3.1 ESP32-S3-WROOM-1 dimension drawing ..................................................................................................... 20

3.3.1 ESP32-S3-WROOM-1U Dimensional Drawing .............................................................................................20

3.4 PCB Package Graphics .......................................................................................................................................................21

3.4.1 ESP32-S3-WROOM-1 PCB Package Graphics ..............................................................................................21

3.4.2 ESP32-S3-WROOM-1U PCB packaging pattern ...........................................................................................22

3.5 External antenna connector dimensions .........................................................................................................................23

4 Frequently Asked Questions .......................................................................................................................................................... 24

4.1 Transmission distance is not ideal ................................................................................................................................... 24

4.2 The module is easily damaged ..........................................................................................................................................24

4.3 Bit error rate is too high ..................................................................................................................................................... 24

5 Welding Operation Guidance.........................................................................................................................................................25

5.1 Reflow soldering temperature ...........................................................................................................................................25

5.2 Reflow soldering curve .......................................................................................................................................................26

6 Package ................................................................................................................................................................................................27

6.1 ESP32-S3-WROOM-1 package .......................................................................................................................................27

6.2 ESP32-S3-WROOM-1U package ................................................................................................................................... 27

7 Disclaimer ...........................................................................................................................................................................................28

Revision History ...................................................................................................................................................................................28

Contents

ESP32-S3-WROOM Series User Manual