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ESP32-PICO-V3-02 Product Overview
The ESP32-PICO-V3-02 is a highly integrated System-in-Package (SiP) module from Espressif Systems, the flagship model in the ESP32-PICO series. Based on the ESP32 (ECO V3) chip, the ESP32-PICO-V3-02 seamlessly integrates an Xtensa® dual-core 32-bit LX6 microprocessor, Wi-Fi 802.11b/g/n, Bluetooth v4.2 BR/EDR and BLE, 8MB SPI Flash, 2MB SPI PSRAM, and all critical peripheral components (crystal oscillator, filter capacitors, RF matching network) into a single QFN-48-EP (7×7mm) package. The ESP32-PICO-V3-02 simplifies complex RF design to the extreme - the ESP32-PICO-V3-02 requires no external components to function. With assembly and testing completed at the SiP level, the ESP32-PICO-V3-02 significantly reduces supply chain complexity and improves management efficiency. Featuring a compact size, powerful performance, and low power consumption, the ESP32-PICO-V3-02 is ideal for any space-constrained or battery-powered device.
ESP32-PICO-V3-02 Key Features
Powerful Dual-Core Processor & Large Memory: The ESP32-PICO-V3-02 features an Xtensa® dual-core 32-bit LX6 microprocessor running at up to 240MHz. On-chip memory includes 448KB ROM, 520KB SRAM, and 16KB RTC SRAM. The ESP32-PICO-V3-02 integrates 8MB SPI Flash and 2MB SPI PSRAM, providing ample storage and runtime memory for complex applications, AI models, and data processing.
Dual-Mode Wireless Connectivity: The ESP32-PICO-V3-02 supports 2.4GHz Wi-Fi (IEEE 802.11b/g/n) with 802.11n data rates up to 150Mbps, A-MPDU and A-MSDU frame aggregation, and 0.4μs guard interval. The ESP32-PICO-V3-02 supports Bluetooth v4.2 BR/EDR and BLE dual-mode standards, with Class-1, Class-2, and Class-3 transmitters, Adaptive Frequency Hopping (AFH) , and CVSD and SBC audio codecs.
QFN-48-EP (7×7mm) Ultra-Compact Package: The ESP32-PICO-V3-02 comes in a QFN-48-EP (7×7mm) package measuring just 7×7×1.11mm. The ESP32-PICO-V3-02 provides up to 31 programmable GPIOs, with 5 strapping pins, 4 pins connected to in-package flash/PSRAM, and 6 input-only pins. Compared to other ESP32 series chips, the ESP32-PICO-V3-02 adds GPIO20. Flash pins (DI, DO, /HOLD, /WP) and PSRAM pins (SI/SIOO, SO/SIO1, SIO2, SIO3) are not brought out to enhance security.
Rich Peripheral Interfaces: The ESP32-PICO-V3-02 integrates ADC, DAC, touch sensors, SD/SDIO/MMC host controller, SPI, SDIO/SPI slave controller, EMAC, motor PWM, LED PWM, UART, I2C, I2S, infrared remote control, GPIO, pulse counter, TWAI® (compatible with ISO 11898-1, CAN 2.0) , and more.
Industrial-Grade Wide Temperature & Low Power: The ESP32-PICO-V3-02 operates at a voltage range of 3.0V ~ 3.6V, temperature range of -40°C ~ +85°C. The ESP32-PICO-V3-02 is manufactured on TSMC's 40nm ultra-low-power process.
ESP32-PICO-V3-02 Applications
With its ultra-compact size, 8MB Flash + 2MB PSRAM large memory, and dual-mode wireless connectivity, the ESP32-PICO-V3-02 is especially suited for space-constrained or large-memory applications:
Wearable Electronics: Smartwatches, bands, fitness trackers, AR/VR headsets
Medical Devices: Portable monitors, health trackers, smart thermometers, continuous glucose monitors (CGM)
Sensor Nodes & IoT: Low-power IoT sensor hubs, data loggers, environmental monitoring, asset trackers
Smart Home & Consumer Electronics: Smart speakers, voice toys, smart gateways, smart lighting, smart plugs, remote controls
Industrial Control: Industrial sensors, equipment monitoring, factory automation
Camera Video Streaming, OTT TV boxes/Set-top boxes, Voice Recognition, Image Recognition
Education & Prototyping: Adafruit QT Py ESP32 Pico, M5Stack StickC-Plus2 development platforms
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FAQs:
Question: What is the ESP32-PICO-V3-02?
Answer: The ESP32-PICO-V3-02 is a System-in-Package (SiP) from Espressif that integrates the ESP32 (ECO V3) chip, crystal, Flash, PSRAM, and RF matching into a single unit, requiring no external components .
Question: What is the core processor and frequency?
Answer: The ESP32-PICO-V3-02 features a dual-core Xtensa 32-bit LX6 processor with a maximum frequency of 240 MHz .
Question: What memory is integrated?
Answer: The ESP32-PICO-V3-02 includes 8 MB SPI Flash and 2 MB SPI PSRAM . Internally, the ESP32-PICO-V3-02 contains 448 KB ROM, 520 KB SRAM, and 16 KB RTC SRAM .
Question: Which wireless protocols does it support?
Answer: The ESP32-PICO-V3-02 supports 2.4 GHz Wi-Fi (802.11 b/g/n, up to 150 Mbps) and Bluetooth v4.2 BR/EDR/LE .
Question: What are the advantages over standard ESP32?
Answer: As an SiP, the ESP32-PICO-V3-02 significantly reduces supply chain complexity . The ESP32-PICO-V3-02 adds a dedicated GPIO20 pin . For security, internal Flash and PSRAM control pins are not exposed .
Question: What is the operating voltage and temperature range?
Answer: The ESP32-PICO-V3-02 operates at a supply voltage of 3.0V to 3.6V, and the operating temperature range is -40°C to +85°C .
Question: What applications is it suitable for?
Answer: The ESP32-PICO-V3-02 is ideal for wearables, medical devices, sensor hubs, smart home controllers, and industrial automation requiring compact size or battery power .
Question: What is its RF performance?
Answer: The ESP32-PICO-V3-02 offers a maximum transmit power of 19.5 dBm and a receive sensitivity of approximately -97 dBm .
Question: What is the package size?
Answer: The ESP32-PICO-V3-02 uses a 48-pin QFN-48-EP package with a physical size of 7.0 x 7.0 mm .
Question: What should be noted during board design?
Answer: For the ESP32-PICO-V3-02, board design is simplified due to integrated components . For GPIO, note that 4 pins are occupied by the internal Flash/PSRAM, 6 are input-only, leaving 31 available .