Renesas DA14531 Bluetooth 5.1 Low Energy IoT module
사물인터넷 시대에 (IoT), Bluetooth 저 에너지 (ble) 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 블루투스 5.1 Low Energy module based on the Renesas DA14531 칩셋. 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.
- Key Features & Benefits
1.1 저전력 소비
- Sleep current as low as 1.6 μA.
- Active RX current: 2.2 엄마; TX current: 3.5 엄마 (~에 0 dBm output with DC-DC converter).
- Ideal for wearables, medical disposables, and wireless sensor nodes.
1.2 Robust RF Performance
- Bluetooth를 준수합니다 5.1 (LE only).
- Programmable output power: -19.5 DBM TO +2.5 DBM.
- 우수한 수신기 감도: -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 MHZ.
- 48 KB retainable system RAM + 32 KB One-Time-Programmable (OTP) memory.
- Can operate as a standalone application processor, eliminating the need for an external MCU.
1.4 Rich Peripheral Interfaces
- UART, I2C, SPI, PWM, and 10-bit ADC (3 channels).
- 최대 6 programmable GPIOs with configurable pull-up resistors.
- Easy integration with sensors, 버튼, LEDs, and other peripherals.
1.5 Wide Operating Range & Industrial Grade
- 공급 전압: 1.65 V to 3.6 다섯.
- 작동 온도: -40° C ~ +85 ° C.
- Suitable for harsh industrial environments and outdoor deployments.
1.6 Global Certifications
- FCC, 통신, KC, IC, CE, SRRC certified.
- ROHS 준수, lead-free.
- Streamlines product certification and accelerates time-to-market.
- Typical Applications
그만큼 FSC-BT691‘s versatility and low power make it an excellent choice for a wide range of IoT products:
| Application Area | Example Products |
| Medical & 의료 | Disposable temperature patches, glucose meters, pulse oximeters, smart pill bottles |
| 웨어러블 | Smart bands, smartwatches, activity trackers |
| Human Interface Devices | Bluetooth stylus, 키보드, 생쥐, touchpads |
| Industrial IoT | Wireless sensor nodes, data loggers, industrial controllers |
| 소비자 전자 장치 | 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.
- Over-the-Air (오타) 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.

