NXP Semiconductors LFSTBEB845X

Overview

LFSTBEB845X from NXP (formerly Freescale) is an accelerometer development board kit designed to evaluate the MMA845xQ family of 3-axis digital accelerometers, including the MMA8451Q (14-bit), MMA8452Q (12-bit), and MMA8453Q (10-bit), in 3 × 3 × 1.0 mm QFN packages. It interfaces via USB using the LFSTBUSB interface board and supports real-time sensor data acquisition and configuration.

For engineers reviewing the LFSTBEB845X datasheet, LFSTBEB845X pinout, LFSTBEB845X application, or LFSTBEB845X equivalent, this kit enables rapid validation of motion-sensing firmware, I²C register-level control, low-g detection thresholds, orientation change response, and embedded interrupt-driven wake-up behavior across all three MMA845xQ variants.

Technical Context

The LFSTBEB845X is a hardware evaluation platform-not an IC or discrete component-and contains no active silicon of its own. It hosts three interchangeable accelerometer daughterboards (MMA8451Q, MMA8452Q, MMA8453Q), each with identical 10-pin QFN footprints and I²C-compatible signal routing to the LFSTBUSB interface board.

All boards in the kit share common mechanical alignment features (directional arrow markings), standardized USB-powered operation, and dependency on the Sensor Toolbox PC software for register access, data streaming, and configuration-no standalone firmware or onboard microcontroller execution capability is present on the LFSTBEB845X board itself.

Key Specifications

Availability

LFSTBEB845X is available at Aetrix Electronics and suitable for industrial motion sensing prototyping, automotive crash-test sensor validation, wearable gesture-recognition development, and IoT edge-node inertial measurement requiring stable component supply and documented evaluation infrastructure.

Supply support for LFSTBEB845X includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor company formed from the spin-off of Freescale Semiconductor and merged with NXP in 2015, specializing in secure connectivity solutions for automotive, industrial, and IoT applications.

The LFSTBEB845X belongs to NXP's Sensor Toolbox ecosystem and was designed to accelerate time-to-proof-of-concept for motion-aware embedded systems using the MMA845xQ ultra-low-power accelerometer family.

FAQ

What is the primary function of the LFSTBEB845X?

The LFSTBEB845X is a development board kit that provides physical mounting, I²C signal routing, and mechanical alignment for evaluating the MMA8451Q, MMA8452Q, and MMA8453Q accelerometers. It does not contain processing logic or firmware-it serves exclusively as a hardware interface bridge between those sensors and the LFSTBUSB interface board. The LFSTBEB845X enables consistent, repeatable sensor characterization without custom PCB design.

Does the LFSTBEB845X include onboard firmware or microcontroller code?

No, the LFSTBEB845X contains no microcontroller, flash memory, or executable firmware. It is a passive interposer board with fixed I²C routing and mechanical mounting features. All configuration, data readout, and visualization for the LFSTBEB845X depend entirely on the host PC running the Sensor Toolbox software and the LFSTBUSB interface board's embedded USB-to-I²C translation logic.

Which accelerometer models are compatible with the LFSTBEB845X?

The LFSTBEB845X is explicitly designed for the MMA8451Q, MMA8452Q, and MMA8453Q-three members of the MMA845xQ family sharing identical 3×3×1.0 mm QFN-10 packaging and pin-compatible I²C interfaces. Each is supplied as a separate board within the LFSTBEB845X kit, and all use the same footprint and signal mapping on the LFSTBEB845X carrier.

Is the LFSTBEB845X compatible with modern Windows or Linux operating systems?

The LFSTBEB845X requires the legacy Sensor Toolbox software originally released for Windows XP/Vista/7. While unofficial community drivers exist for newer Windows versions, official support ended after 2013. No native Linux or macOS driver or application is provided by NXP for the LFSTBEB845X. Users must verify OS compatibility before deployment, as the LFSTBEB845X relies on discontinued USB CDC-class drivers.

Can the LFSTBEB845X be used without the LFSTBUSB interface board?

No-the LFSTBEB845X has no USB interface, power regulation, or I²C master logic. It is electrically and mechanically dependent on the LFSTBUSB interface board for USB connectivity, voltage translation, clock generation, and host-side command interpretation. The LFSTBEB845X cannot operate independently; it functions only as a sensor-mounting module paired with the LFSTBUSB board.