ESP8684H2

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ESP8684H2

+BOM

IC RF TXRX+MCU BLE 24QFN

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Specifications

Attribute Value
Series ESP8684
Part Status Active
Type TxRx + MCU
RF Family/Standard Bluetooth, WiFi
Protocol 802.11b/g/n, Bluetooth v5.0
Frequency 2.402GHz ~ 2.48GHz, 2.412GHz ~ 2.484GHz
Data Rate (Max) 72.2Mbps
Power - Output 21.5dBm
Sensitivity -99dBm
Memory Size 576KB ROM, 272KB SRAM
Serial Interfaces ADC, GPIO, I2C, I2S, PWM, SPI, UART
Voltage - Supply 3V ~ 3.6V
Current - Receiving 65mA
Current - Transmitting 300mA ~ 370mA
Operating Temperature -40°C ~ 105°C
Mounting Type Surface Mount
Package / Case 24-VFQFN Exposed Pad
Supplier Device Package 24-QFN (4x4)
Base Product Number ESP8684
GPIO 14

Overview

Description

ESP8684H2 is a part of the ESP8684 series from Espressif Systems, known for its robust wireless communication capabilities. This module integrates Wi-Fi and Bluetooth connectivity, making it suitable for a variety of Internet of Things (IoT) applications. It is built on the ESP32 architecture, known for its low power consumption and high performance.
The ESP8684H2 supports dual-core processing, providing substantial computational power for complex tasks and multitasking in embedded systems. It includes a range of peripherals such as GPIO, ADC, DAC, SPI, I2C, and UART, which enhance its versatility for different project requirements.
Security features are an essential aspect of the ESP8684H2, with support for secure boot, flash encryption, and various encryption protocols to protect data and ensure secure communication. This makes it a preferred choice for applications where data integrity and security are critical.
Overall, the ESP8684H2 offers a compact, energy-efficient solution that is ideal for developers looking to implement wireless communication in their projects, ranging from smart home devices to industrial automation systems.

Equivalent

The ESP8684H2 is a Wi-Fi and Bluetooth combo chip from Espressif Systems. Equivalent products include:
1. ESP32 series: Offers similar Wi-Fi and Bluetooth capabilities with variations like ESP32-WROOM and ESP32-WROVER.
2. ESP8266: While primarily Wi-Fi, it serves similar purposes for IoT projects.
3. Nordic NRF52 series: Known for Bluetooth, some variants include Wi-Fi capabilities.
4. Cypress CYW4343W: Offers Wi-Fi and Bluetooth combo features.
5. Wi-Fi and Bluetooth chips from Broadcom or Texas Instruments: These provide similar functionalities tailored for IoT applications.

Features

The ESP8684H2 is a compact and highly integrated Wi-Fi and Bluetooth LE microcontroller from Espressif Systems. It features a dual-core RISC-V processor, providing efficient power management and robust processing capabilities. The chip supports Wi-Fi 4 (802.11n) and Bluetooth 5.0 LE, making it suitable for a wide range of IoT applications. It includes 2MB of embedded flash for ample storage and high-speed connectivity.
The ESP8684H2 is designed for low-power operations, which is ideal for battery-powered devices. It also supports a rich set of peripherals, including SPI, I2C, UART, I2S, and PWM, making it versatile for various project needs. The integrated security features such as secure boot and flash encryption ensure data protection and device integrity. The compact size of the ESP8684H2 allows for easy integration into space-constrained designs. It is supported by Espressif’s robust development ecosystem, including software development frameworks like ESP-IDF, which simplifies application development and deployment.

Pinout

The ESP8684H2 is a system-on-chip (SoC) from Espressif Systems, which is part of the ESP8684 series. It typically features a 32-pin QFN (Quad Flat No-leads) package. The pin functions generally include:
1. Power Supply Pins: These provide power to the chip, usually including VDD and GND pins.
2. GPIO Pins: General-purpose input/output pins that can be configured for various functions such as digital I/O, ADC, DAC, PWM, etc.
3. UART Pins: Used for serial communication, typically including TX and RX pins.
4. SPI Pins: Serial Peripheral Interface pins used for high-speed synchronous data transfer.
5. I2C Pins: Inter-Integrated Circuit pins for communication with other I2C-enabled devices.
6. ADC Pins: Analog-to-digital converter pins for reading analog signals.
7. JTAG Pins: Used for debugging purposes.
8. Reset Pin: Used to reset the chip.
For precise details on each pin function and full pin count, refer to the official datasheet or technical reference manual provided by Espressif Systems.

Manufacturer

The ESP8684H2 is manufactured by Espressif Systems, a Chinese company known for designing and producing semiconductor devices. Espressif specializes in creating Wi-Fi and Bluetooth low-energy (BLE) microcontrollers and modules, which are widely used in Internet of Things (IoT) applications. The company's products are popular for their affordability and ease of use, making them suitable for a variety of consumer electronics, smart home devices, and industrial applications. Espressif is well-regarded for its ESP8266 and ESP32 series, which have become staples in the maker and developer communities due to their open-source SDKs and robust performance.

Application

The ESP8684H2 is a microcontroller with integrated Wi-Fi and Bluetooth capabilities, making it suitable for various IoT applications. Its application areas include smart home devices, where it can control lighting, thermostats, and security systems. It is also used in industrial automation for monitoring and managing machinery and processes. In healthcare, it can support wearable devices for patient monitoring. Additionally, the ESP8684H2 is applicable in consumer electronics, such as smart speakers and connected appliances, and in edge computing for processing data locally before transmitting it to the cloud. Its low power consumption and robust connectivity make it ideal for battery-powered and remote devices.

Package

The ESP8684H2 is typically available in a QFN (Quad-Flat No-leads) package. This package type is compact, suitable for surface mounting, and provides efficient heat dissipation and electrical performance, making it ideal for various space-constrained IoT applications.

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