Renesas DA14531 Bluetooth 5.1 Low Energy IoT module

I Internet of Things era (IoT), Bluetooth låg energi (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 Bluetooth 5.1 Low Energy module based on the 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 wireless communication without compromising on power efficiency.

1. Key Features & Benefits

1.1 Låg effektförbrukning

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

1.2 Robust RF Performance

• Kompatibel med Bluetooth 5.1 (LE only).
• Programmable output power: -19.5 dbm till +2.5 dbm.
• Utmärkt mottagarkänslighet: -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) minne.
• 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 kanal).
• Fram till 6 programmable GPIOs with configurable pull-up resistors.
• Easy integration with sensors, buttons, LEDs, and other peripherals.

1.5 Wide Operating Range & Industrial Grade

• Leveransspänning: 1.65 V to 3.6 V.
• Driftstemperatur: -40° C till +85 ° C.
• Suitable for harsh industrial environments and outdoor deployments.

1.6 Global Certifications

• Fcc, Telek, Kc, Ic, Ces, SRRC certified.
• ROHS -kompatibel, lead-free.
• Streamlines product certification and accelerates time-to-market.

2. Typical Applications

De 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 (Ota) 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.