SKU: IOWC-0132
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Realtek RTL8762E BLE 5.2 Module Commercial Grade

₹249.00 (Inclusive of all taxes)
Out of Stock

The USE 8762E BLE Module is a commercial-grade, ultra-low-power system-on-chip (SoC) supporting Bluetooth 5.2 Low Energy and 2.4GHz proprietary protocols, built around an ARM Cortex-M0+ core for embedded IoT applications.

Features

  • Bluetooth 5.2 LE certified with support for 2Mbps PHY, LE Long Range, and Advertising Extensions for enhanced data rate and coverage.
  • Ultra-low power architecture with intelligent PMU and multiple low-energy states, ideal for battery-operated IoT devices.
  • Integrated ARM Cortex-M0+ MCU with 272KB ROM and 104KB SRAM to execute the protocol stack and application firmware.
  • High-performance RF transceiver with -97dBm receiver sensitivity and +7.5dBm transmit power for robust wireless links.
  • Multi-protocol support for concurrent BLE and 2.4GHz proprietary applications, plus integrated analog MIC interface for voice commands.

Out of stock

Description

The USE 8762E BLE Module is a fully integrated, commercial-grade wireless SoC designed for demanding Bluetooth Low Energy 5.2 applications. It combines a high-performance 2.4GHz RF transceiver with an energy-efficient ARM Cortex-M0+ microcontroller, power management unit, and a rich set of peripherals including an ADC, hardware key scanner, and IR transceiver on a single QFN package.

Engineered for ultra-low power consumption, the module features intelligent power management supporting multiple deep sleep states, making it suitable for always-on, battery-powered sensor nodes, beacons, and remote controls. Its robust RF performance, with -97dBm sensitivity and configurable output power up to +7.5dBm, ensures reliable communication in diverse environments.

Beyond standard BLE, the RTL8762E chipset supports 2.4GHz proprietary protocols, allowing developers to implement custom wireless stacks. The integrated analog microphone interface with sigma-delta ADC and programmable gain amplifier further extends its utility to voice-activated IoT devices, enabling local voice command processing without external components.

Key Features

  • Full Bluetooth 5.2 Low Energy compliance with support for 2Mbps, LE Long Range (Coded PHY), and Advertising Extensions.
  • Ultra-low-power system design with an intelligent Power Management Unit (PMU) for extended battery life in IoT deployments.
  • Integrated ARM Cortex-M0+ microcontroller core with on-chip 272KB ROM and 104KB SRAM for firmware execution.
  • High-performance RF front-end with -97dBm receiver sensitivity and software-configurable transmit power up to +7.5dBm.
  • Multi-protocol radio supporting concurrent operation of BLE and proprietary 2.4GHz wireless stacks.
  • On-chip analog microphone interface with sigma-delta ADC, PGA, and bias circuit for voice command applications.
  • Additional integrated peripherals include an IR transceiver, hardware key-scan Matrix, and quadrature decoder.
  • Commercial-grade component selection and design for reliable operation in industrial and consumer products.

Applications

  • Bluetooth beacons and proximity sensors for asset tracking and indoor positioning.
  • Battery-operated IoT sensor nodes for smart home, industrial monitoring, and wearables.
  • Voice-command remote controls and smart speakers with integrated microphone processing.
  • Wireless keyboards, mice, and game controllers utilizing BLE and proprietary 2.4GHz modes.
  • Industrial wireless data links and mesh networks using the multi-protocol radio capability.

Technical Specifications

Wireless ProtocolBluetooth 5.2 Low Energy, 2.4GHz Proprietary
MicrocontrollerARM Cortex-M0+
ROM Capacity272 KB
SRAM104 KB
Receiver Sensitivity-97 dBm
Transmit PowerUp to +7.5 dBm
Data Rate (LE)2 Mbps, 1 Mbps, 500 kbps (Long Range)
Key FeaturesLE Advertising Extensions, LE Long Range, Channel Selection #2
Integrated PeripheralsAnalog MIC Interface, IR Transceiver, Hardware Key-Scan, Quad Decoder
PackageQFN

Frequently Asked Questions

What development tools and SDKs are available for programming the USE 8762E BLE module?

Development typically requires the Realtek RTL8762 series SDK, which includes the Bluetooth protocol stack, sample applications, and tools for firmware development. Programming is done via a UART or SWD (Serial Wire Debug) interface using a compatible JTAG debugger. The SDK integrates with common IDEs for ARM Cortex-M, allowing you to write application code in C to manage BLE profiles, advertising parameters, and the integrated peripherals like the microphone interface and IR transceiver.

How do I configure the module for LE Long Range (Coded PHY) operation to extend range?

To enable LE Long Range, you must configure the Bluetooth stack parameters within your firmware using the Realtek SDK APIs. This involves setting the PHY option to the coded (S=8 or S=2) variant when creating a connection or during advertising. The increased range comes at the cost of lower data throughput. Ensure your paired device (e.g., a smartphone or gateway) also supports Bluetooth 5.0+ and the Coded PHY feature for the long-range link to be established successfully.

What is the typical operating current and how can I minimize power consumption?

The module is designed for ultra-low power, with current consumption varying based on operational mode: active RX/TX in the mA range, with deep sleep currents in the microamp range. To minimize power, utilize the integrated Power Management Unit (PMU) and program the MCU to enter deep sleep modes between measurement or transmission events. The SDK provides functions to manage low-energy states, disable unused peripherals, and optimize advertising intervals. Proper power supply decoupling is also critical for stable low-power operation.

Can I use the integrated analog microphone interface for local voice wake-word detection?

Yes, the integrated analog front-end includes a sigma-delta ADC, programmable gain amplifier (PGA), and microphone bias. You can connect an electret microphone directly to the module's designated pins. For wake-word detection, you will need to implement a digital signal processing algorithm (e.g., using a pre-trained model) on the ARM Cortex-M0+ core to analyze the audio stream from the ADC. The 104KB SRAM provides space for buffer storage and model coefficients, though complex processing may require external flash for larger models.

Package Includes

  • 1 x USE 8762E BLE Module Commercial Grade

Additional Information

Weight 0.01 kg
Dimensions 5 × 6 × 2 cm