ESP32-D0WDR2-V3

RF Transceiver ICS Overview

The ESP32-D0WDR2-V3 is an obsolete RF System-on-Chip (SoC) manufactured by Espressif Systems, built on TSMC's low-power 40 nm technology. It integrates a dual-core Xtensa LX6 microprocessor with Wi-Fi and Bluetooth capabilities. The device features 2 MB of embedded PSRAM, 448 KB ROM, and 536 KB SRAM. Operating within a voltage range of 2.3 V to 3.6 V, it supports data rates up to 150 Mbps with a maximum output power of 19.5 dBm. The chip operates in the 2.4 GHz ISM band and utilizes a 48-pin VFQFN package.

RF Transceiver ICS Feature Summary

• Integrates a dual-core Xtensa LX6 processor with Wi-Fi and Bluetooth connectivity
• Includes 2 MB of embedded PSRAM for enhanced memory performance
• Supports multiple serial communication interfaces including SPI, I2C, and UART

RF Transceiver ICS Applications

• IoT devices requiring combined Wi-Fi and Bluetooth LE connectivity
• Smart home appliances and wearable electronics
• Low-power sensor networks and beacon applications

RF Transceiver ICS Procurement Notes

This component is officially classified as obsolete and no longer manufactured by Espressif Systems. Procurement must rely on third-party distributors holding existing stock or surplus inventory. Verify part authenticity carefully, as availability varies significantly across suppliers. Ensure that any sourced units match the specific D0WDR2-V3 variant to confirm the presence of integrated PSRAM, as other ESP32 variants may differ in memory configuration.

RF Transceiver ICS Selection Notes

Engineers should consider this part only for legacy maintenance or non-critical prototyping due to its discontinued status. New designs are advised to select current Espressif alternatives that offer updated firmware support and long-term supply stability. Evaluate whether the specific integration of 2 MB PSRAM is strictly necessary, as newer SoCs may provide different memory architectures or higher processing speeds suitable for modern application requirements.

RF Transceiver ICS Part Context

The ESP32-D0WDR2-V3 belongs to the ESP32 family of eco-friendly wireless chips designed for mobile devices and IoT solutions. It represents a specific iteration within the ESP32 series that combines MCU capabilities with radio transceivers. This model specifically distinguishes itself by embedding PSRAM directly on the chip, reducing external component count compared to earlier versions that required separate memory ICs.

RF Transceiver ICS Replacement Considerations

Official substitutes include the ESP32-D0WDQ6-V3 and ESP32-WROOM-32 modules, which offer similar functionality but may differ in pinout or memory layout. Users should consult Espressif's official migration guides to ensure compatibility with existing PCB layouts and software drivers when transitioning from this obsolete component.