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In the era of the Internet of Things (Интернет вещей), Bluetooth Низкая энергия (БЛЕ) has become the technology of choice for billions of connected devices, thanks to its ultra-low power consumption, robust connectivity, and mature ecosystem. Шэньчжэнь Физиком introduces the FSC-BT691, a single-mode Bluetooth 5.1 Low Energy module на основе Renesas DA14531 chipset. It integrates a high-performance 2.4 GHz transceiver with an ARM® Cortex®-M0+ microcontroller in a compact form factor. Designed for battery-powered and energy-harvesting applications, the FSC-BT691 delivers reliable беспроводная связь without compromising on power efficiency.

 

  1. Key Features & Benefits

1.1 Низкое энергопотребление

  • Sleep current as low as 1.6 μA.
  • Active RX current: 2.2 мА; TX current: 3.5 мА (в 0 dBm output with DC-DC converter).
  • Ideal for wearables, medical disposables, and wireless sensor nodes.

1.2 Robust RF Performance

  • Соответствует Bluetooth 5.1 (LE only).
  • Programmable output power: -19.5 дБм до +2.5 дБм.
  • Excellent receiver sensitivity: -94 дБм (typical).
  • Supports up to three simultaneous БЛЕ connections.

1.3 Powerful Processing Core

  • 32-bit ARM Cortex-M0+ running at up to 16 МГц.
  • 48 KB retainable system RAM + 32 KB One-Time-Programmable (OTP) память.
  • Can operate as a standalone application processor, eliminating the need for an external MCU.

1.4 Rich Peripheral Interfaces

  • УАРТ, I2C, СПИ, ШИМ, and 10-bit ADC (3 channels).
  • До 6 programmable GPIOs with configurable pull-up resistors.
  • Easy integration with sensors, buttons, LEDs, and other peripherals.

1.5 Wide Operating Range & Industrial Grade

  • Supply voltage: 1.65 V to 3.6 В.
  • Рабочая температура: -40°С до +85°С.
  • Suitable for harsh industrial environments and outdoor deployments.

1.6 Global Certifications

  • ФКС, ТЕЛЕК, КС, IC, CE, SRRC certified.
  • Соответствует RoHS, lead-free.
  • Streamlines product certification and accelerates time-to-market.

 

  1. Типичные применения

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The FSC-BT691‘s versatility and low power make it an excellent choice for a wide range of IoT products:

Application Area Example Products
Medical & Здравоохранение Disposable temperature patches, glucose meters, pulse oximeters, smart pill bottles
Носимые устройства Smart bands, smartwatches, activity trackers
Human Interface Devices Bluetooth stylus, клавиатуры, mice, touchpads
Промышленный Интернет вещей Wireless sensor nodes, data loggers, industrial controllers
Бытовая электроника Smart toys, remote controls, home automation sensors
  1. Easy Development & Integration
  • AT command set and comprehensive SDK for rapid development.
  • Supports all standard ГАТТ profiles and custom services.
  • Over-the-Air (ОТА) firmware upgrade capability for post-deployment updates.
  • Detailed hardware integration guidelines (PCB layout, antenna design, soldering profile) and application schematics provided.
  • Reference designs and technical support from Физиком’s engineering team.