Renesas DA14531 Bluetooth 5.1 Low Energy IoT module
В эпоху Интернета вещей (IoT), 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. Shenzhen Feasycom introduces the FSC-BT691, a single-mode Bluetooth 5.1 Low Energy module based on the Renesas DA14531 чипсет. 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 wireless communication without compromising on power efficiency.
- Ключевые функции & Benefits
1.1 Низкое энергопотребление
- Sleep current as low as 1.6 μa.
- Active RX current: 2.2 магистр; TX current: 3.5 магистр (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 DBM до +2.5 DBM.
- Отличная чувствительность приемника: -94 DBM (typical).
- Supports up to three simultaneous BLE 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
- Uart, I2c, SPI, Шир, and 10-bit ADC (3 channels).
- До 6 programmable GPIOs with configurable pull-up resistors.
- Easy integration with sensors, кнопки, LEDs, and other peripherals.
1.5 Wide Operating Range & Industrial Grade
- Напряжение снабжения: 1.65 V to 3.6 V..
- Рабочая температура: -40° C до +85 ° C..
- Suitable for harsh industrial environments and outdoor deployments.
1.6 Global Certifications
- FCC, Телеканал, KC, IC, CE, SRRC certified.
- ROHS COMPARINT, lead-free.
- Streamlines product certification and accelerates time-to-market.
- Typical Applications
А 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, Умные часы, activity trackers |
| Human Interface Devices | Bluetooth stylus, клавишные, мыши, touchpads |
| Industrial IoT | Wireless sensor nodes, data loggers, industrial controllers |
| Потребительская электроника | Smart toys, remote controls, home automation sensors |
- Easy Development & Integration
- AT command set and comprehensive SDK for rapid development.
- Supports all standard GATT profiles and custom services.
- В эфире (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 Feasycom’s engineering team.

