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EM Bleu (EM9305): Setting the Standard for Bluetooth Low Energy Technology

Updated: Aug 23, 2023


EM Bleu the smallest lowest power BLE IC ever

The Essence of EM | Bleu (EM9305) Bluetooth Low Energy BLE IC

The EM | Bleu (EM9305) is not just another Bluetooth Low Energy chip. It's the embodiment of versatility, compactness, and energy efficiency. In a world where billions of Bluetooth devices are sold annually, the EM9305 stands tall, boasting features that set it apart:

  • Size: As compact as a pen tip, it's the tiniest BLE chip, fitting seamlessly anywhere.

  • Ultra Low Power: Designed for sustainable, lightweight applications, it's always on standby.

  • Robust RF Performance: Ensures seamless data transfer, even in noisy environments and over vast distances.

  • Cost-Effective: A minimal bill of materials (BOM) ensures affordability.

Key Features at a Glance

  • True Ultra Low Power: Maximises device lifespan, compatible with coin or button-cell batteries and energy-harvesting applications.

  • Versatile Communication Protocols: Adaptable and efficient.

  • Compact Design: Small footprint and BOM, perfect for integration into petite devices.

Applications Galore

From data transfer to digital audio, the EM9305 finds its place in a plethora of applications:

  • Data Transfer: Efficient and reliable.

  • Sports and Fitness: For the active individual.

  • PC Peripherals and Accessories: Enhancing your computer experience.

  • Health and Wellness: Prioritising your well-being.

  • Location Services: Including asset tracking, indoor navigation, personal item finding, and digital keys.

  • Broadcast Audio: Revolutionising hearing aids, smart speakers, and digital microphones.

  • Device Networks: Smart homes, control systems, automation, Industry 4.0, automotive infotainment, and more.

The Technical Breakdown

How does the EM9305 achieve all this? Let's delve into the specifics:

  • System-on-Chip (SoC): Can function as a standalone SoC or complement any ASIC or application MCU.

  • Advanced Processing: Houses an ultra-low power 32-bit ARC processor, DSP, and floating-point units, optimising algorithms for audio codecs and sensor fusion.

  • Connectivity: Features low-power serial interfaces like USB, SPI, I2C, I2S, and UART, facilitating communication with external devices.

  • Bluetooth 5.3: Complete with link layer, HCI, stack, profiles, services, and features like High Data Rate (HDR) and Long Range (LR) communication.

  • Power Management: Sophisticated on-chip system supporting various battery types and energy harvesting applications.

  • RF Excellence: A state-of-the-art 2.4GHz transceiver ensures optimal performance.

  • Packaging: Available in WLCSP23 wafer level chip-scale package, plastic QFN-28 package, and bare die/wafer form.

Specifications to Note

  • MCU: ARC EM7D, 32-bit, running at 48MHz.

  • Memory: 64kB ROM, 512kB Flash (code and data), 64kB data/instruction RAM.

  • Bluetooth 5.3: Supports High Data Rate (HDR) and Long Range (LR).

  • Security: Secure boot, AES-128 Hardware Encryption, Key Generation, and more.

  • Power Efficiency: Supports a range of voltages and modes for optimal energy consumption.

  • RF Performance: Exceptional RX sensitivity and adjustable transmitter output power.

  • Packaging Options: WLCSP23 1.8x1.8mm, QFN28 4x4mm, Die/Wafer.

Get the Full Details

For a comprehensive understanding and to access technical documents and data sheets (available under NDA), please contact us. Your next innovation starts with the EM9305.


Note: For more information, technical documents, and data sheets, they are exclusively available under NDA. Feel free to reach out to us.

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