Overview
The QN9020/D518, produced by NXP USA Inc., is an ultra-low power Bluetooth Low Energy (BLE) system-on-chip solution. This integrated chip combines a Bluetooth LE v4.2 compliant radio, link controller, and host stack, making it a comprehensive solution for Bluetooth Smart applications. The QN9020 is designed to support both master and slave modes, secure connections, and up to eight simultaneous links in master mode, making it highly versatile for various wireless connectivity needs.
Key Specifications
| Specification | Details |
|---|---|
| Frequency Bands | 2400 MHz to 2483.5 MHz |
| Data Rate | 1 Mbit/s on air |
| Modulation Format | GFSK |
| TX Output Power | -20 dBm to +4 dBm |
| RX Sensitivity | -95 dBm (non-DC-to-DC mode), -93 dBm (DC-to-DC mode) |
| Power Supply | 2.4 V to 3.6 V |
| Package | 6 mm x 6 mm HVQFN48 |
| Microcontroller | 32-bit ARM Cortex-M0 MCU |
| System Memory | 64 kB |
| ROM | 96 kB |
| Flash Memory | 128 kB with 4 kB page size |
| GPIO Pins | 31 GPIO pins |
| ADC | 4-channel, 10-bit general-purpose ADC |
| Analog Comparators | Two general-purpose analog comparators |
| Timers | Four general-purpose timers, 32 kHz sleep timer, Watchdog timer, Real-time clock with calibration |
Key Features
- Ultra-low power consumption with 2 μA deep sleep mode and 3 μA sleep mode (32 kHz RC oscillator on)
- Integrated Power Management Unit (PMU) for low-power operation
- Support for secure connections and up to eight simultaneous links in master mode
- Fast and reliable RSSI and channel quality indication
- Excellent link budget up to 99 dB
- Integrated DC-to-DC converter and LDO
- Nested Vectored Interrupt Controller (NVIC) with 24 external interrupt inputs
- Two SPI/UART interfaces, I2C-bus master/slave interface, and Brownout detector
- Battery monitor and real-time clock with calibration
Applications
The QN9020/D518 is suitable for a variety of Bluetooth Smart applications, including sports and fitness devices, smart home automation, industrial control systems, and medical devices. Its low power consumption and high integration make it ideal for battery-powered devices that require reliable and efficient wireless connectivity.
Q & A
- What is the QN9020/D518?
The QN9020/D518 is an ultra-low power Bluetooth Low Energy (BLE) system-on-chip solution produced by NXP USA Inc. - What Bluetooth version does it support?
It supports Bluetooth LE v4.2. - What are the frequency bands it operates on?
It operates on frequency bands from 2400 MHz to 2483.5 MHz. - What is the data rate of the QN9020/D518?
The data rate is 1 Mbit/s on air. - What is the modulation format used?
The modulation format used is GFSK. - What is the range of TX output power?
The TX output power ranges from -20 dBm to +4 dBm. - What is the RX sensitivity?
The RX sensitivity is -95 dBm (non-DC-to-DC mode) and -93 dBm (DC-to-DC mode). - What is the power supply range for the QN9020/D518?
The power supply range is 2.4 V to 3.6 V. - What type of microcontroller is integrated?
It integrates a 32-bit ARM Cortex-M0 MCU. - How much system memory does it have?
It has 64 kB of system memory. - What are some of the key applications of the QN9020/D518?
Key applications include sports and fitness devices, smart home automation, industrial control systems, and medical devices.
