Manufacturer Part Number
BLUENRG-345AC
Manufacturer
STMicroelectronics
Introduction
The BLUENRG-345AC is a highly integrated Bluetooth 5.2 low energy (BLE) system-on-chip (SoC) that combines a Bluetooth low energy radio, a 32-bit ARM Cortex-M0+ microcontroller, and 256kB Flash and 32kB RAM.
Product Features and Performance
Bluetooth 5.2 low energy (BLE) radio
32-bit ARM Cortex-M0+ microcontroller
256kB Flash and 32kB RAM
Transmit power up to 8dBm
Receive sensitivity up to -97dBm
Data rate up to 2Mbps
Supports Bluetooth direction finding, extended advertising, and periodic advertising
Integrated power management, clock generation, and reference circuits
Product Advantages
Highly integrated BLE SoC with radio, microcontroller, and memory
Low power consumption
Small footprint 32-QFN (5x5) package
Supports a wide range of Bluetooth 5.2 features
Flexible GPIO configuration
Key Technical Parameters
Frequency: 2.4GHz ~ 2.4835GHz
Operating Temperature: -40°C ~ 85°C (TA)
Supply Voltage: 1.7V ~ 3.6V
Transmit Current: 4.3mA
Receive Current: 3.4mA
Package: 32-VFQFN Exposed Pad
Quality and Safety Features
RoHS3 compliant
Compatibility
Bluetooth 5.2 compatible
Can be used in a wide range of Bluetooth low energy applications
Application Areas
Wearables
IoT devices
Smart home applications
Industrial automation
Asset tracking
Product Lifecycle
This product is currently available and not nearing discontinuation.
Replacement or upgrade options may be available from STMicroelectronics in the future.
Key Reasons to Choose This Product
Highly integrated BLE SoC with microcontroller, radio, and memory
Low power consumption and small footprint
Supports the latest Bluetooth 5.2 features
Flexible GPIO configuration for custom applications
Proven reliability and quality from STMicroelectronics