QM35825
6.5 & 8.0 GHz Ultra-Wideband (UWB) SoC
Key Features
- Worldwide UWB Radio Regulatory Compliance
- Supports all common data rates including proprietary 62.4 Mbps
- Supports channels 5 and 9 (6489.6 MHz and 7987.2 MHz)
- Full support for 802.15.4z HRP, BPRF, and HPRF modes
- 2 x Hi-Speed SPI slave (typ. 40 MHz)
- 2 x SPI Master (up to 30 MHz) and 1 x SPI Slave (up to 10 MHz)
- 25 x GPIO, 2x UART, Timers, GPIO (1.2 V and 1.8 V supported)
- Supports ETSI +10 dB indoor Tx power increase (up to +6 dBm CH power BPRF-3)
- -98 dBm 1% Rx sensitivity (BPRF-3)
- 4-Antenna flexible configuration solution
- Rx diversity with automatic switching
- Supports multiple reference frequencies
- Low power consumption
- 3D Angle-of-Arrival (AoA)
- Secure ranging/distance measurement using STS (Scrambled Time Stamp) and enhanced Time-of-Flight (ToF) security options
- Supports secure ToF modes without the overhead of an external secure element
- Secure Boot, Secure Debug, Secure Enclave
- Hardware support for RSA, SHA, AES, TRNG
The QM35825 is a fully integrated Ultra-Wideband solution compliant with IEEE 802.15.4™-2024 and is designed for the best Rx sensitivity and low power. It is optimized for consumer, enterprise and industrial applications supporting FiRa™, Aliro and Omlox ranging schemes with an accuracy of +/- 5 cm and AoA at +/- 2°. It features on-chip computing for ranging, angle of arrival (AoA), radar and data transfer functions. The QM35825 integrates 4 flexible RF ports, LNAs, PA and RF switches, a Cortex-M33 with Secure Enclave and a wealth of security features and communication peripherals.
Typical Applications
- Enterprise and Industrial
- Asset tracking and indoor navigation enabled by precise Real Time Location Systems (RTLS)
- Secure identification & logical access (payment console, barcode readers, laptops)
- Geofencing for safety and security
- Radar for motion detection, vital sign monitoring, people counting, gesture detection/recognition
- Consumer IoT
- Enhanced user experience with Location Aware Sensing based on FiRa 3.0 (TV and Air Mouse, Speakers, and Smart Thermostats)
- Seamless door lock access (based on Aliro specification)
Product Categories
Application Categories
| UWB Channels | 5, 9 |
| Antenna Ports(#) | 4 |
| 802.15 Standards | 4z HRP, BPRF & HPRF |
| Certifications | FiRa 3.0 |
| Security Features | SESIP3 Compliant |
| Data Rate | 850 kbps, 6.8 Mbps, 7.8 Mbps, 27.2 Mbps, 31.2 Mbps & 62.4 Mbps (proprietary) |
| Ranging Accuracy(cm) | 5 |
| PDoA Support | Yes |
| Angle of Arrival(degrees) | 2 |
| Link Budget(dBm) | Up to 104 |
| MCU | Internal |
| Interface | SPI |
| Voltage(V) | 1.14 to 3.6 |
| Package Type | BGA-74 |
| Package(mm) | 4.08 x 3.38 x 0.63 |