Introducing Key Features of BLE Chips

A BLE (Bluetooth Low Energy) chip is an affordable and interoperable wireless transmission technology that operates at a short range. It utilizes the unlicensed 2.4GHz ISM frequency band for communication. The BLE chip enables transmission without the need for a license. The current popular protocol versions include BLE 5.0, BLE 5.1, BLE 5.2, and more.

1. BLE (Bluetooth Low Energy) chips come with features:

2. Cost-Effective and Affordable: BLE technology is designed to optimize small battery-powered devices, focusing on low costs and energy efficiency.

3. Stability: BLE utilizes Adaptive Frequency Hopping (AFH) technology, ensuring stable transmission even in crowded environments. To minimize costs and power consumption, BLE technology has reduced the number of channels from the 79 1 MHz-wide channels used in traditional Bluetooth to 40 2 MHz-wide channels.

4. Coexistence with Wi-Fi: Bluetooth, Wireless LAN, IEEE 802.15.4/Wireless Personal Area Network, and many proprietary radio technologies all operate in the unlicensed 2.4 GHz Industrial, Scientific, and Medical (ISM) frequency band. Since multiple technologies share this radio spectrum, wireless performance can be affected by interference, leading to error correction and retransmission (increased latency and reduced throughput). In demanding applications, interference can be mitigated through frequency planning and special antenna designs. Both traditional Bluetooth and BLE utilize AFH, a technology that minimizes interference from other radio technologies, resulting in excellent stability and reliability of Bluetooth transmission.

5. Connectivity Range: BLE technology uses a different modulation compared to traditional Bluetooth, allowing for a connection range of up to 300 meters using a 10mW dBm radio chipset (maximum power for BLE).

6. Typical BLE chips are such as JL’s AC632 series: AC6321A, AC6323A, AC6329B, AC6329C, AC6328A, supporting Bluetooth 5.1 and Tri-Mode with Ultra-Low Power Consumption as low as 126uA.