NXP Semiconductors BRKTSTBC-A8451

Overview

BRKTSTBC-A8451 from NXP is a sensor toolbox breakout board designed to interface the MMA8451Q 3-axis digital accelerometer (14-bit resolution, ±2/±4/±8 g ranges, I²C interface) in rapid prototyping and evaluation workflows. It provides direct access to power, ground, I²C bus, interrupt outputs, and address configuration for immediate connection to host microcontrollers.

For engineers reviewing the BRKTSTBC-A8451 datasheet, BRKTSTBC-A8451 pinout, BRKTSTBC-A8451 application, or BRKTSTBC-A8451 equivalent, this board supports quick validation of MMA8451Q sensor integration, interrupt-driven motion detection, I²C register read/write verification, and layout reference for QFN-based accelerometer interfaces.

Technical Context

The BRKTSTBC-A8451 implements a passive breakout architecture with no active logic or level-shifting circuitry - all signals are direct, unbuffered connections to the MMA8451Q's 16-pin QFN package. Power domains VDD (1.95–3.6 V) and VDDIO (1.71–3.6 V) are separately routed to support flexible host interfacing.

Pin SA0 sets the MMA8451Q's I²C slave address (0x1C or 0x1D), while INT1_A and INT2_A expose configurable interrupt outputs for motion detection, orientation change, and transient events - all directly mapped from the underlying sensor IC's register-controlled functionality.

Key Specifications

Availability

BRKTSTBC-A8451 is available at Aetrix Electronics and suitable for sensor evaluation, embedded motion-aware prototype development, and educational labs requiring stable component supply and documented hardware reference designs.

Supply support for BRKTSTBC-A8451 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 specializing in secure connectivity solutions for automotive, industrial, and IoT applications.

The BRKTSTBC-A8451 belongs to NXP's Sensor Toolbox family - a series of standardized breakout boards intended to accelerate evaluation and integration of NXP's MEMS sensors, including accelerometers, magnetometers, and pressure sensors.

FAQ

What is the BRKTSTBC-A8451 used for?

The BRKTSTBC-A8451 is a breakout board that exposes all essential signals of the MMA8451Q accelerometer for rapid evaluation and integration. It enables direct I²C communication, interrupt testing, and power domain verification without custom PCB design. Engineers use the BRKTSTBC-A8451 to validate sensor behavior before committing to final layout or firmware integration.

Does the BRKTSTBC-A8451 include level-shifting circuitry?

No, the BRKTSTBC-A8451 does not include level-shifting, voltage regulation, or signal conditioning circuitry. All pins - including SCL, SDA, INT1_A, INT2_A, SA0, VDD, VDDIO, and GND - are direct, unbuffered connections to the MMA8451Q die. Host system voltage compatibility must be ensured externally when using the BRKTSTBC-A8451.

How do I configure the I²C address of the MMA8451Q on the BRKTSTBC-A8451?

The BRKTSTBC-A8451 exposes the SA0 pin to configure the MMA8451Q's I²C slave address. Tie SA0 to GND to select 0x1C, or to VDDIO to select 0x1D. This setting is read at power-up and determines the base address used by host firmware during I²C initialization - no solder jumpers or DIP switches are required on the BRKTSTBC-A8451.

Is the BRKTSTBC-A8451 compatible with Arduino or Raspberry Pi?

Yes, the BRKTSTBC-A8451 is mechanically and electrically compatible with Arduino and Raspberry Pi platforms when used with appropriate logic-level matching. Its 0.1″ pin spacing and standard I²C signal mapping allow direct connection via jumper wires or stacking headers - provided VDDIO and VDD voltages align with the host's I/O voltage and the MMA8451Q's operating range.

Where can I find schematics and layout files for the BRKTSTBC-A8451?

Schematics, PCB layout files, and full documentation for the BRKTSTBC-A8451 are published in the Sensor Toolbox section of NXP's official website at nxp.com/sensortoolbox. The reference design files include Gerber data, BOM, and assembly drawings - all directly applicable to the BRKTSTBC-A8451 ordering part number.