Renesas DA14531 Bluetooth 5.1 Low Energy IoT module

In the era of the Internet of Things (Iot), Нізкая энергія Bluetooth (Спасываць) 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 мікрасэр. 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.

1. Key Features & Benefits

1.1 Нізкае спажыванне электраэнергіі

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

1.2 Robust RF Performance

• Сумяшчальны з Bluetooth 5.1 (LE only).
• Programmable output power: -19.5 dbm да +2.5 дБм.
• Выдатная адчувальнасць прыёмніка: -94 дБм (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) memory.
• Can operate as a standalone application processor, eliminating the need for an external MCU.

1.4 Rich Peripheral Interfaces

• Уарт, I2c, Шпіль, ШІМ, and 10-bit ADC (3 channels).
• Да 6 programmable GPIOs with configurable pull-up resistors.
• Easy integration with sensors, buttons, LEDs, and other peripherals.

1.5 Wide Operating Range & Industrial Grade

• Напружанне харчавання: 1.65 V to 3.6 V.
• Працоўная тэмпература: -40° С да +85 ° С.
• Suitable for harsh industrial environments and outdoor deployments.

1.6 Global Certifications

• FCC, Тэлекампанія, KC, ІС, CE, SRRC certified.
• RoHS compliant, lead-free.
• Streamlines product certification and accelerates time-to-market.

2. Typical Applications

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

3. Easy Development & Integration

• AT command set and comprehensive SDK for rapid development.
• Supports all standard GATT 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 Feasycom’s engineering team.