Renesas DA14531 Bluetooth 5.1 Low Energy IoT module

W dobie Internetu Rzeczy (IoT), Bluetooth Low Energy (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 Niskie zużycie energii

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

1.2 Robust RF Performance

• Compliant with Bluetooth 5.1 (LE only).
• Programmable output power: -19.5 DBM do +2.5 DBM.
• Doskonała czułość odbiornika: -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 kanały).
• Aż do 6 programmable GPIOs with configurable pull-up resistors.
• Easy integration with sensors, pikolak, LEDs, and other peripherals.

1.5 Wide Operating Range & Industrial Grade

• Napięcie zasilania: 1.65 V to 3.6 V.
• Temperatura robocza: -40° C do +85 ° C..
• Suitable for harsh industrial environments and outdoor deployments.

1.6 Global Certifications

• Fcc, Telec, Kc, Ic, Ce, SRRC certified.
• ROHS zgodny, lead-free.
• Streamlines product certification and accelerates time-to-market.

2. Typical Applications

. 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.
• Nad lotem (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.