Texas Instruments

CC2541F128RHAT  

RF Transceiver ICs

CC2541F128RHAT Description

The CC2541F128RHAT from Texas Instruments is a highly integrated Bluetooth Low Energy (BLE) 5.0 system-on-chip (SoC) combining an RF transceiver and an 8051 MCU in a compact 40-VQFN package. Designed for low-power wireless applications, it operates in the 2.4GHz ISM band with a data rate up to 2Mbps and supports GFSK/MSK modulation. The device features 128kB Flash and 8kB RAM, enabling robust firmware storage and execution. With a 2V–3.6V supply range, it delivers 0dBm RF output power while maintaining ultra-low current consumption (17.9mA RX, 16.8mA TX), making it ideal for battery-operated IoT devices.

CC2541F128RHAT Features

• Bluetooth 5.0 Compliance: Ensures compatibility with modern BLE standards for improved range and data throughput.
• Low-Power Operation: Optimized for energy efficiency with 17.9mA (RX) and 16.8mA (TX) current consumption.
• Rich Peripheral Set: Includes I2C, SPI, USART, and 23 GPIOs for flexible sensor/actuator interfacing.
• High Integration: Combines MCU + RF transceiver, reducing BOM cost and PCB footprint.
• Robust Memory: 128kB Flash + 8kB RAM supports complex firmware and OTA updates.
• Surface-Mount Design: 40-VQFN (Tape & Reel) packaging suits automated assembly.
• Wide Voltage Range (2V–3.6V): Compatible with coin-cell batteries and energy-harvesting systems.

CC2541F128RHAT Applications

• Wearable Devices: Fitness trackers, smartwatches (low power + BLE 5.0).
• Smart Home Sensors: Door/window sensors, thermostats (low latency + GPIO flexibility).
• Medical IoT: Glucose monitors, pulse oximeters (reliable RF performance).
• Beacon Solutions: Retail proximity marketing (long battery life).
• Industrial Wireless Controls: Remote monitoring with SPI/I2C sensor networks.

Conclusion of CC2541F128RHAT

The CC2541F128RHAT stands out as a cost-effective, power-efficient BLE 5.0 SoC with integrated MCU and RF capabilities. Its 128kB Flash, ultra-low power draw, and rich peripherals make it a top choice for battery-powered IoT applications. Compared to similar ICs, it offers better memory density and protocol compliance, ideal for developers needing long-range BLE 5.0 connectivity without sacrificing energy efficiency. Texas Instruments’ proven reliability further ensures its suitability for mass-production consumer/industrial designs.

CC2541F128RHAT Documents

Download datasheets and manufacturer documentation for CC2541F128RHAT

PCN Assembly/Origin :

Qualification Wafer Fab Site 28/Apr/2014      

Datasheets :

CC2541      

PCN Packaging :

Conversion to 7" Reel 24/Jan/2014      

HTML Datasheet :

CC2541      

PCN Design/Specification :

Mult Dev Material Chg 29/Mar/2018       Cu Wire QFN Packages 25/Apr/2013