ESP8685H4

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ESP8685H4

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IC RF TXRX+MCU BLE 28QFN

  • Nhà sản xuấtEspressif Systems

  • Ông. Phần #ESP8685H4

  • Có sẵn8668

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Thông số kỹ thuật

thuộc tính Giá trị
Series ESP8685
Part Status Active
DigiKey Programmable Not Verified
Type TxRx + MCU
RF Family/Standard Bluetooth, WiFi
Protocol 802.11b/g/n, Bluetooth v5.0
Frequency 2.4GHz
Data Rate (Max) 150Mbps
Power - Output 21dBm
Sensitivity -98.4dBm
Memory Size 4MB Flash, 384kB RAM, 400kB SRAM
Serial Interfaces ADC, GPIO, I2C, I2S, PWM, SPI, UART, USB
GPIO 15
Voltage - Supply 3V ~ 3.6V
Current - Receiving 84mA ~ 87mA
Current - Transmitting 276mA ~ 335mA
Operating Temperature -40°C ~ 105°C (TA)
Mounting Type Surface Mount
Package / Case 28-VFQFN Exposed Pad
Supplier Device Package 28-QFN (4x4)
Base Product Number ESP8685

Tổng quan

Description

The ESP8685H4 is a compact, high-performance microcontroller from Espressif Systems designed for IoT applications. It is part of the ESP8685 series known for its energy efficiency and robust connectivity features. The ESP8685H4 integrates a 32-bit RISC-V CPU, running at up to 160 MHz, and comes equipped with built-in Wi-Fi and Bluetooth capabilities, making it versatile for various wireless communication tasks.
This microcontroller offers ample memory, including SRAM and embedded flash, enabling developers to store and execute complex applications. It supports a range of peripherals, such as UART, SPI, I2C, and GPIOs, facilitating easy integration with sensors and other hardware components. The ESP8685H4 also provides advanced security features, ensuring secure data transmission and device integrity.
Designed for power-sensitive applications, it includes various power-saving modes, making it ideal for battery-operated devices. Its compact form factor and rich feature set make it suitable for smart home devices, wearables, and industrial automation projects. The ESP8685H4 is supported by Espressif's comprehensive development ecosystem, including SDKs and development boards, simplifying the development process.

Equivalent

The ESP8685H4 chip by Espressif is a Wi-Fi and Bluetooth combo module with integrated flash memory. Equivalent products to consider might include:
1. ESP32 Series: While broader in capability, they offer similar Wi-Fi and Bluetooth functionality.
2. ESP8266: Primarily for Wi-Fi, lacking Bluetooth but widely used.
3. Nordic nRF52 Series: Offers Bluetooth but not Wi-Fi; popular for low-power applications.
4. Broadcom/Cypress CYW4343W: Combines Wi-Fi and Bluetooth capabilities.
Each option varies in specifications, performance, and use case suitability.

Features

The ESP8685H4 is a Wi-Fi and Bluetooth microcontroller designed for IoT applications. It features a dual-core Tensilica LX7 processor, offering efficient performance for various tasks. The chip supports 2.4 GHz Wi-Fi IEEE 802.11 b/g/n protocols and Bluetooth LE, enabling robust wireless connectivity.
It comes with 4 MB of flash memory, providing ample storage for firmware and user applications. The ESP8685H4 offers multiple interfaces, including SPI, I2C, UART, and PWM, facilitating connectivity with other devices and sensors. Its low-power sleep modes make it suitable for battery-powered applications, offering energy efficiency.
The microcontroller supports various development tools and environments, such as ESP-IDF and Arduino, making it accessible for developers with different expertise levels. It also includes enhanced security features like secure boot and flash encryption, ensuring the integrity and confidentiality of applications.
Overall, the ESP8685H4 is a versatile and powerful solution for developing connected devices and IoT projects, offering a balance of performance, connectivity, and security in a compact form factor.

Pinout

The ESP8685H4 is a compact system-on-chip (SoC) designed by Espressif Systems, belonging to the ESP32 series. It is based on the Xtensa LX7 dual-core processor, providing high performance and low power consumption suitable for IoT applications. The ESP8685H4 has a total of 48 pins.
Key functions of the ESP8685H4 include:
1. Wi-Fi Connectivity: Supports 2.4 GHz Wi-Fi, compliant with IEEE 802.11 b/g/n standards.
2. Bluetooth LE: Offers Bluetooth Low Energy (BLE) for short-range wireless communication.
3. GPIOs: Multiple general-purpose input/output pins for interfacing with various peripherals.
4. Peripheral Interfaces: Includes UART, SPI, I2C, I2S, and PWM for diverse applications.
5. Analog: Features ADCs for analog signal interfacing.
6. Security: Provides hardware-based security features, including encryption and secure boot.
7. Memory: Contains flash and SRAM for program and data storage.
These features make the ESP8685H4 versatile for applications in smart home devices, wearables, and other connected products.

Manufacturer

The ESP8685H4 is manufactured by Espressif Systems. Espressif Systems is a multinational, fabless semiconductor company headquartered in Shanghai, China. The company is known for its development of Wi-Fi and Bluetooth low-energy (BLE) chipsets and modules, which are widely used in Internet of Things (IoT) applications. Their products, including the popular ESP8266 and ESP32 series, are designed to offer reliable performance and ease of integration for a variety of IoT needs. Espressif focuses on providing open-source solutions and supporting a community of developers, which has contributed to their reputation as a leader in the IoT space.

Application

The ESP8685H4 is a versatile microcontroller module designed for a range of IoT applications. It is suitable for smart home devices, wearable electronics, and industrial automation due to its Wi-Fi and Bluetooth capabilities. The module supports applications in consumer electronics, such as smart speakers and connected appliances, and is ideal for energy management systems, offering efficient power usage. Its robust performance and low power consumption make it well-suited for battery-operated devices. Additionally, the ESP8685H4 can be used in healthcare for remote monitoring and in automotive for vehicle diagnostics and infotainment systems. Its compatibility with various sensors also enables it for use in environmental monitoring and agriculture.

Package

The ESP8685H4 is typically available in a QFN (Quad Flat No-leads) package, which is a surface-mount integrated circuit package designed to provide a compact footprint. The QFN package allows for efficient thermal performance and electrical stability, making it suitable for various applications requiring a small form factor and robust connectivity.

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