LBUA5QJ2AB-828 - UWB + BLE 5.2 Combo Module | Murata
Teilenummer: LBUA5QJ2AB-828 ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $30.95 | $30,95 |
| 10 | $29.4 | $294,00 |
| 100 | $27.86 | $2.786,00 |
| 500 | $26.31 | $13.155,00 |
| 1.000 | $24.76 | $24.760,00 |
LBUA5QJ2AB-828 Übersicht
An ultra-wideband module is a short-range, high-precision radio module that transmits nanosecond-scale pulses across very wide bandwidths, enabling centimeter-level distance measurement (secure ranging) that narrowband radios such as Bluetooth or Wi-Fi cannot achieve. UWB modules sit within the broader RF transceiver module hierarchy, and combo modules like this one pair UWB ranging with a conventional low-power radio for wake-up, control, and data functions.
Key features include the Qorvo QM33120W UWB chipset paired with an integrated Nordic Semiconductor nRF52840 that provides Bluetooth 5.2 LE, firmware update, and wake-up control. The module is FCC/IC/TELEC reference certified, dramatically reducing end-product regulatory effort. An integrated 3-axis accelerometer supports battery-saving duty cycling, and reference clocks for both the UWB chip and MCU are embedded on the module, simplifying BOM and calibration.
Architecturally, the hostless design means the nRF52840 manages the UWB radio autonomously, allowing UWB ranging sessions to execute without waking the host processor. The nRF52840 provides 1 MB flash and 256 kB RAM for embedded application code, with host interfaces including I2C, SPI, UART, and USB.
Typical applications include secure car-access key fobs and automotive door-zone detection, indoor asset tracking and real-time location systems (RTLS), and smart-door locks and access-control systems where UWB secure ranging prevents relay attacks.
Design consideration: since the antenna is not integrated, place the module near the antenna connectors with controlled-impedance RF traces and follow Murata's reference layout for the 6.5 GHz and 8 GHz bands to pass certification.
This page synthesizes distributor pricing, cross-reference findings, and design guidance not consolidated in the manufacturer datasheet.
Drop-in-Alternativen für LBUA5QJ2AB-828 – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
LBUA5QJ2AB-828SMP
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
LBUA5QJ2AB-828 Spezifikationen (herstellerveröffentlicht)
| Product Type | UWB + Bluetooth 5.2 Combo Module (Type 2AB) |
| UWB Chipset | Qorvo (Decawave) QM33120W |
| BLE Chipset | Nordic Semiconductor nRF52840 |
| UWB Frequency Range | 6250 MHz to 8250 MHz |
| Bluetooth Version | Bluetooth 5.2 Low Energy |
| UWB Standard | IEEE 802.15.4 (UWB), Bands 5 and 9 |
| BLE Frequency Band | 2.4 GHz |
| Memory | 1 MB Flash, 256 kB RAM (nRF52840) |
| Host Interfaces | I2C, SPI, UART, USB |
| Betriebstemperatur | -40C to +85C |
| Package Dimensions | 10.5 x 8.3 mm |
| Package Type | 97-pin LGA, Surface Mount |
| Antenna | Not included (external antenna required) |
| Certifications | FCC / IC / TELEC reference certified |
| Integrated Sensors | 3-axis accelerometer (battery saving) |
| Reference Clocks | Embedded for UWB and MCU |
| Design Architecture | Hostless (nRF52840 manages UWB wake-up and FW update) |
| RoHS-Status | Compliant |
| Montageart | Surface Mount |
| Sample Part Number | LBUA5QJ2AB-828SMP |
LBUA5QJ2AB-828 Schnittstellen & Anschlüsse
LBUA5QJ2AB-828 bietet die folgenden, vom Hersteller veröffentlichten Schnittstellen und Anschlüsse: Bluetooth. Pinbelegung der Erweiterungsheader, Nummerierung der Anschlüsse und elektrische Grenzwerte sind in der Herstellerdokumentation definiert.
| Bluetooth | Nordic Semiconductor nRF52840 |
Siehe die Herstellerdokumentation für die vollständige Pinbelegung der Erweiterungsleiste und die Nummerierung der Steckverbinder-Pins.
Leistungs- und thermische Eigenschaften
| Betriebstemperatur | -40C to +85C |
Vom Hersteller veröffentlichte Leistungs- und thermische Parameter für LBUA5QJ2AB-828.
Typische Anwendungen
LBUA5QJ2AB-828 ist geeignet für 6 Anwendungs: Automotive Secure Key Fob and Passive Entry, Indoor Asset Tracking and RTLS, Smart Door Locks and Access Control, Consumer Wearables and Smart Tags, Robotics and AMR Docking Precision, Healthcare Equipment and Patient Tracking.
Automotive Secure Key Fob and Passive Entry
The LBUA5QJ2AB-828 is purpose-built for automotive digital-key and passive-entry systems because UWB secure ranging provides centimeter-level distance measurement that cryptographically defeats relay attacks, which traditional BLE or LF key fobs cannot resist. The QM33120W UWB radio operates across Bands 5 and 9 (6250-8250 MHz) for accurate time-of-flight ranging to vehicle anchor modules, while the integrated nRF52840 runs Bluetooth 5.2 LE for the low-rate control channel and wake-up, keeping average current draw low enough for coin-cell fob designs. The embedded 3-axis accelerometer enables wake-on-motion so the radios stay off until the user approaches, extending battery life substantially. With -40C to +85C operation and FCC/IC/TELEC reference certification, the module reduces both thermal design risk and regulatory effort. Place the module near the fob antenna window and follow Murata's reference layout for the UWB feed to preserve certified performance.
Empfohlen
Indoor Asset Tracking and RTLS
For real-time location systems in factories, hospitals, and warehouses, the LBUA5QJ2AB-828 delivers accurate two-way ranging on the Qorvo QM33120W across 6250-8250 MHz, achieving positioning accuracy that BLE RSSI or Wi-Fi approaches cannot match - typically on the order of tens of centimeters in line-of-sight conditions. Tags built around this module can range against fixed UWB anchors using IEEE 802.15.4 channelized UWB frames on Band 5 or Band 9, while the nRF52840's Bluetooth 5.2 link offloads telemetry and configuration over existing BLE gateways. The hostless architecture lets the tag enter deep sleep between ranging bursts, with the 3-axis accelerometer waking the system only on movement - essential for multi-year battery life on tracking tags. The embedded reference clocks eliminate an external TCXO from the BOM. Use I2C or UART to attach environmental sensors or LEDs for local status indication on the tag.
Empfohlen
Smart Door Locks and Access Control
The LBUA5QJ2AB-828 secures door-lock and access-control designs by verifying that a user's phone or credential is physically present at the door, not merely nearby: UWB time-of-flight ranging on the QM33120W rejects relay attacks that plague BLE-only smart locks, and distance bounding can gate unlocking to within tens of centimeters. The nRF52840 handles Bluetooth 5.2 provisioning and configuration from a smartphone, plus firmware updates, while SPI or UART connects to the lock's main controller. The -40C to +85C temperature range covers unheated exterior door installations. Because the module carries FCC/IC/TELEC reference certification, door-lock makers can reuse the radio grants in modular approval filings, shortening time to market. Design the lock PCB with the module set back from the metal chassis and use an external UWB antenna to avoid detuning in metallic door constructions.
Empfohlen
Consumer Wearables and Smart Tags
Compact 10.5 x 8.3 mm LGA dimensions and hostless operation make the LBUA5QJ2AB-828 well suited to premium smart tags, find-my-item trackers, and wearable devices. UWB ranging enables precise directional finding (arrow-to-tag experiences) when paired with anchor devices such as smartphones, while Bluetooth 5.2 LE on the nRF52840 provides the ubiquitous fallback link for broad phone compatibility. The integrated 3-axis accelerometer detects motion to wake the radios only when needed, and the embedded reference clocks remove external timing components - both critical for small, light, coin-cell-powered products. With 1 MB flash and 256 kB RAM on board, the tag application can run entirely on the module without an external MCU, shrinking the PCB further. Designers should budget RF keep-out areas for the external UWB and BLE antennas and verify antenna efficiency in the final enclosure.
Empfohlen
Robotics and AMR Docking Precision
Autonomous mobile robots (AMRs) and warehouse robots use the LBUA5QJ2AB-828 for centimeter-level docking and zone detection: UWB ranging on the QM33120W across Bands 5 and 9 measures the distance to dock stations or other robots at 6250-8250 MHz with time-of-flight precision, supplementing or replacing vision and ultrasonic sensors in low-visibility conditions. The nRF52840 streams range data and status over Bluetooth 5.2 to fleet-management gateways, while SPI or USB connects to the robot's main compute unit. The industrial -40C to +85C range suits unconditioned warehouse environments, and the accelerometer can detect robot vibration or tipping events. Because the module is reference certified, fleet deployments avoid per-device radio certification cycles. Mount the module high on the robot chassis with clear RF view of the dock antenna and route the UWB feed as a controlled-impedance trace.
Empfohlen
Healthcare Equipment and Patient Tracking
In hospitals, the LBUA5QJ2AB-828 supports patient-worn tags, infusion-pump locating, and asset tracking where accurate room- and bed-level location improves workflow and safety. UWB ranging delivers precise position to anchor infrastructure, while Bluetooth 5.2 LE integrates with existing hospital BLE networks for data and alerts. The nRF52840's onboard 1 MB flash and 256 kB RAM allow the tag firmware - including BLE pairing, ranging schedules, and accelerometer-based motion logging - to run on-module. Host interfaces (I2C, SPI, UART, USB) connect clinical sensors or indicator hardware. The 3-axis accelerometer contributes fall or activity detection without additional components. The -40C to +85C range tolerates autoclave-adjacent and storage extremes; however, verify medical electrical safety and EMC compliance of the end equipment separately, since module certifications cover radio regulatory approval only, not medical device qualification.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für LBUA5QJ2AB-828 – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | LBUA5QJ2AB-828SMP |
|---|---|---|
| Package | 97-pin LGA, 10.5 x 8.3 mm | 97-pin LGA, 10.5 x 8.3 mm - same |
| Brand | Murata Manufacturing | Murata Manufacturing |
| UWB Frequency | 6250 MHz to 8250 MHz (Bands 5 & 9) | 6250 MHz to 8250 MHz (Bands 5 & 9) |
| Bluetooth Version | 5.2 LE (2.4 GHz) | 5.2 LE (2.4 GHz) |
| UWB Chipset | Qorvo QM33120W | Qorvo QM33120W |
| BLE Chipset | Nordic nRF52840 | Nordic nRF52840 |
| Operating Temperature | -40C to +85C | -40C to +85C |
| Certification | FCC / IC / TELEC reference certified | FCC / IC / TELEC reference certified |
| Intended Use | Mass production | Sampling / evaluation ordering code |
Wichtigste Unterscheidungsmerkmale
- Fully integrated dual-chipset UWB + BLE combo (vs. Qorvo standalone UWB modules)
- Multi-region reference certification (vs. Uncertified chipset-level designs)
- Integrated motion sensing and embedded clocks (vs. LBUA5QJ2AB-828SMP (functionally identical))
Designhinweise
The LBUA5QJ2AB-828 requires external antennas for both UWB (6.5 GHz and 8 GHz channels) and BLE (2.4 GHz). Route UWB feed traces as 50-ohm controlled impedance on the PCB layer adjacent to a solid ground plane, keep them as short as possible, and follow Murata's Type 2AB reference design land pattern and keep-out zones. Because the module is FCC/IC/TELEC reference certified, deviations in RF layout may invalidate the modular certification for your end product - replicate the reference layout before making changes and re-run radiated-spur testing if the antenna environment differs from the reference design.
UWB transmitters draw high peak current during ranging frames, much higher than BLE-only operation. Size the power rail and local decoupling (per the Murata datasheet recommendations on VCC pin assignments) so supply droop during UWB bursts does not reset the nRF52840. For battery-powered tags, exploit the hostless architecture: keep the host MCU in deep sleep and let the module's integrated 3-axis accelerometer wake the radios, and schedule ranging bursts at the lowest duty cycle that still meets your positioning accuracy requirements.
Two recurring pitfalls: (1) The public datasheet is a preliminary version per Murata's own notice - verify the latest revision and pinout against Murata's product page before design freeze, since pin functions and electrical limits can change between revisions. (2) Do not order the -828SMP suffix for production - it is the sample part number; MP quantities must use LBUA5QJ2AB-828. Also confirm firmware/tooling availability (Qorvo UWB firmware for QM33120W plus Nordic nRF52840 SDK) early in the project, since the dual-chipset hostless architecture involves two software stacks.
Compliance-Informationen
RoHS compliance stated on JLCPCB listing. FCC/IC/TELEC reference certified per Murata product page. REACH, lead-free, halogen-free, and conflict-minerals status not stated in provided data.
