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ESP8684H2X

ESP8684H2X

Espressif Systems
Multiprotocol Modules 2.4 GHz, Wi-Fi and Bluetooth 5, 14 GPIOs, QFN-24, RISC-V Single-Core CPU
Active4,288 in stock

Overview

The ESP8684H2X is a highly integrated Wi-Fi and Bluetooth 5 (LE) SoC based on a single-core 32-bit RISC-V processor. Operating at up to 120 MHz with 272 KB of SRAM, it is designed for cost-sensitive IoT applications that require high RF performance and robust security features like secure boot and flash encryption.

Why Choose This Part

This module offers superior RF sensitivity of -99dBm and a high output power of 21.5dBm, ensuring reliable long-range connectivity. Its RISC-V architecture combined with hardware cryptographic accelerators provides a secure and modern foundation for connected devices.

Applications

Smart Lighting
Utilizing the 21.5dBm output power and PWM interfaces to manage LED dimming and color control via Wi-Fi.
Industrial Sensors
Connecting 12-bit ADC and digital sensors to industrial gateways using 802.11b/g/n protocols.
Home Automation
Acting as a low-power node for smart plugs or switches with a 5uA deep-sleep current for efficiency.

Key Specifications

GPIO 14
Type TxRx + MCU
Protocol 802.11b/g/n, Bluetooth v5.0
Frequency 2.402GHz ~ 2.48GHz, 2.412GHz ~ 2.484GHz
Memory Size 576KB ROM, 272KB SRAM
Sensitivity -99dBm
Mounting Type Surface Mount
Package / Case 24-VFQFN Exposed Pad
Power - Output 21.5dBm
Data Rate (Max) 72.2Mbps
Voltage - Supply 3V ~ 3.6V
Serial Interfaces ADC, GPIO, I2C, I2S, PWM, SPI, UART
RF Family/Standard Bluetooth, WiFi
Current - Receiving 65mA
Operating Temperature -40degC ~ 105degC
Current - Transmitting 300mA ~ 370mA
Supplier Device Package 24-QFN (4x4)

Getting Started

Developers should use the Espressif IoT Development Framework (ESP-IDF) or the Arduino core for ESP32-C2 for rapid firmware development. The chip supports Flash In-Circuit Programming (ICP) and can be debugged using standard JTAG tools compatible with the RISC-V core.

Also Consider

ESP32-C3-WROOM-02 Espressif Systems - Provides a similar RISC-V core but with more GPIOs and a slightly different peripheral set for expanded connectivity.
ESP8266EX Espressif Systems - A legacy low-cost alternative for Wi-Fi only applications that do not require Bluetooth or RISC-V features.