SKU: IOWC-0148
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AI-Thinker PB-03 BLE 5.2 Module w/ PHY6252 SoC

₹131.00 (Inclusive of all taxes)
Out of Stock

The AI-Thinker PB-03 is a Bluetooth Low Energy (BLE) 5.2 module built around the low-power PHY6252 SoC, designed for IoT, wearables, and smart home applications. It offers a rich set of peripheral interfaces and adjustable RF output power for optimal range and power consumption balance.

Features

  • BLE 5.2 & Mesh Support: Features full Bluetooth Low Energy 5.2 compliance with support for BLE Mesh networking, enabling robust, scalable device networks.
  • PHY6252 Low-Power SoC: Core processor is a highly integrated, power-efficient System-on-Chip (SoC) designed for battery-operated IoT endpoints.
  • Rich Peripheral Set: Provides extensive I/O including UART, I2C, SPI, PWM, ADC, PDM, and DMA, supporting up to 19 GPIOs for sensor and actuator integration.
  • Hardware Security: Integrates a hardware encryption accelerator supporting AES-128 algorithm for secure data transmission.
  • On-Board Antenna: Includes an integrated antenna for the 2.4GHz ISM band (2400-2483.5MHz), simplifying PCB design and reducing BOM cost.

Out of stock

Description

The AI-Thinker PB-03 module is a compact, surface-mount BLE 5.2 transceiver engineered for embedded IoT deployments. Its architecture centers on the PHY6252 SoC, which combines a capable processor with a fully integrated 2.4GHz radio, offering adjustable RF output power to fine-tune the trade-off between communication range and current draw for specific application needs.

This module supports the complete feature set of Bluetooth LE 5.2, including data rates from 125 Kbps to 2 Mbps and broadcast expansion. The combination of ultra-low sleep currents, a comprehensive peripheral interface suite, and built-in hardware security makes it a versatile foundation for developing connected products like smart lighting controls, wearable devices, and mesh-networked sensor nodes without the complexity of discrete RF design.

Key Features

  • Full Bluetooth Low Energy 5.2 protocol stack support, including BLE Mesh for decentralized networks.
  • Ultra-low power consumption profile with adjustable RF output power for range/power optimization.
  • High level of integration with the PHY6252 SoC, reducing external component count and PCB footprint.
  • Extensive hardware interfaces: UART, I2C, SPI, PWM, ADC, I2S, PDM, and DMA controller.
  • Integrated hardware AES-128 encryption accelerator for secure communication and device authentication.
  • On-board chip antenna for the 2.4GHz band, eliminating the need for an external antenna in many designs.
  • Compact SMD-61 package (16.6x13.2x2.8mm) suitable for space-constrained wearable and portable devices.
  • 256KB of integrated SPI Flash for application firmware and data storage.

Applications

  • Smart home automation devices (lighting controls, switches, sensors).
  • Wearable electronics and fitness/health monitoring devices.
  • BLE Mesh networks for industrial monitoring and building automation.
  • Proximity beacons, asset tags, and indoor positioning systems.
  • Battery-powered remote sensors and IoT edge nodes.

Technical Specifications

Wireless ProtocolBluetooth Low Energy (BLE) 5.2
Chipset / SoCPHY6252
Frequency Range2400 ~ 2483.5 MHz
RF Data Rates125 Kbps, 500 Kbps, 1 Mbps, 2 Mbps
AntennaIntegrated On-board Chip Antenna
SecurityHardware AES-128 Encryption
InterfacesUART, I2C, SPI, PWM, ADC, I2S, PDM, DMA, GPIO (Up to 19 IOs)
On-board Flash256 KB SPI Flash
Package TypeSMD-61
Dimensions (L x W x H)16.6 x 13.2 x 2.8 mm (±0.2mm)

Frequently Asked Questions

What development tools or SDK are available for programming the PB-03 module?

AI-Thinker typically provides a proprietary SDK and toolchain for the PHY6252 platform, which includes compilers, libraries, and flashing utilities. Development involves writing C code using the provided APIs for BLE stack management, peripheral control, and power management. You connect to the module's UART bootloader pins for initial firmware upload using a USB-to-serial adapter. Always check AI-Thinker's official GitHub or documentation portal for the latest PB-03 SDK and example projects.

How do I configure the PB-03's RF output power and what is the typical range?

The RF output power of the PB-03's PHY6252 radio is software-adjustable via specific AT commands or SDK API calls, allowing you to balance range against power consumption. Maximum output is typically around +10 dBm. Range varies significantly with environment, antenna design, and data rate; using the 1 Mbps rate at maximum power can achieve over 100 meters line-of-sight. For precise control, consult the PHY6252 programming manual for the register settings or AT command set that governs the transmitter power amplifier gain stages.

Can the PB-03 module operate as both a BLE central and peripheral device?

Yes, the PB-03 module, leveraging the full BLE 5.2 stack in the PHY6252, can be configured to operate in Central, Peripheral, Observer, or Broadcaster roles. Your application firmware defines the role. As a Peripheral, it can advertise and accept connections from a smartphone (Central). As a Central, it can scan for and connect to other peripherals. The SDK provides functions to set the GAP role, manage advertising parameters, and handle connection events, enabling flexible network topologies for your IoT system.

Package Includes

  • 1 x AI-Thinker PB-03 BLE 5.2 Module

Additional Information

Weight 0.03 kg
Dimensions 1.66 × 1.32 × 0.28 cm