The KX128-1091, developed by Rohm Semiconductor under the Kionix brand, is a versatile tri-axis digital accelerometer designed for a wide array of motion-sensing applications in embedded systems.
Integrating digital I2C and SPI outputs in a compact package, the KX128-1091 offers flexibility for designers needing precise motion detection. While this component is now considered obsolete by some sources, its capabilities remain relevant for specific industrial and portable applications, highlighting the importance of accessing reliable excess and obsolete (E&O) stock. Let's delve into the key features that make the KX128-1091 a noteworthy component.
Tri-Axis Sensing
The KX128-1091 measures acceleration along the X, Y, and Z axes, providing comprehensive motion data for orientation detection, activity monitoring, and vibration analysis.
Selectable Acceleration Range
Users can programmatically select the measurement range to ±2g, ±4g, or ±8g, allowing optimisation for sensitivity and dynamic range based on the specific application requirements.
Digital Interfaces
Equipped with both I2C and SPI digital output interfaces, the KX128-1091 offers flexible communication options for seamless integration with various microcontrollers and processors.
Compact Package
Housed in a small 12-pin LGA (2x2mm) surface-mount package, this accelerometer is ideal for space-constrained designs found in portable electronics and embedded systems.
Low Power Consumption
Designed for efficiency, the KX128-1091 typically operates with low power consumption, making it suitable for battery-powered devices and applications where energy conservation is critical.
Industrial Temperature Range
Built to withstand demanding conditions, the KX128-1091 often supports industrial operating temperature ranges, ensuring reliability in various environments.
The KX128-1091's features make it suitable for a diverse set of applications, including:
Wearable technology and fitness trackers (activity monitoring, step counting)
Industrial equipment (vibration sensing, tilt detection)
IoT devices (orientation sensing, motion detection)
Portable electronics (screen orientation, user interface control)
Smart home appliances (tilt and motion sensing)
The KX128-1091 accelerometer offers a compact and flexible solution for motion sensing needs. Even though this part may be considered obsolete or EOL (End-of-Life), securing reliable E&O stock is crucial for maintaining existing designs or for cost-effective production runs. At Component Sense, we specialise in sourcing high-quality, fully traceable electronic components, including hard-to-find and obsolete parts like the KX128-1091.
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