BMA223 Accelerometer Equivalent & Substitute Parts

Part Overview

The BMA223 is a digital three-axis accelerometer manufactured by Bosch Sensortec, designed for motion sensing applications requiring selectable acceleration ranges and dual communication interfaces. The device operates across ±2g, 4g, 8g, and 16g measurement ranges with I2C and SPI output options in a compact 12-LGA (2x2) surface mount package.

The BMA223 has reached obsolete product status. Identifying equivalent substitute components is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications currently utilizing this accelerometer.

Substiute Parts

BMA223

Bosch SensortecIn Stock: 37482BMA223 Datasheet

Current PartRFQ

LIS2DE12TR

STMicroelectronicsIn Stock: 205275LIS2DE12TR Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute components for the BMA223 must satisfy the following critical parameters to ensure functional and mechanical compatibility:

Mandatory Matching Parameters:

• Three-axis digital accelerometer architecture (X, Y, Z axes)
• Selectable acceleration range including ±2g, 4g, 8g, and 16g options
• Dual communication interface support (I2C and SPI protocols)
• 12-LGA (2x2) surface mount package footprint
• Operating temperature range of -40°C ~ 85°C
• Supply voltage compatibility within 1.2V ~ 3.6V envelope

Acceptable Variation Parameters:

• Bandwidth specification (substitute may exceed minimum 8Hz requirement)
• Sensitivity values (LSB/g) within the same acceleration range
• Additional integrated features (temperature sensor, adjustable bandwidth)
• Product status (active status preferred for ongoing availability)
• Enhanced compliance certifications (RoHS3 compliance)

The LIS2DE12TR from STMicroelectronics meets all mandatory parameters while providing extended bandwidth capability and active product status.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: LIS2DE12TR

The LIS2DE12TR is the qualified substitute for the obsolete BMA223 accelerometer based on the following engineering criteria:

Functional Compatibility: All core motion sensing parameters align with BMA223 specifications. Both devices provide three-axis acceleration measurement across identical selectable ranges (±2g, 4g, 8g, 16g) with dual I2C/SPI communication interfaces. Package footprint and surface mount configuration are identical, enabling direct PCB layout compatibility without redesign.

Supply Voltage Consideration: The LIS2DE12TR minimum supply voltage is 1.71V compared to BMA223's 1.2V minimum. Applications operating below 1.71V require voltage regulation verification or alternative component selection.

Bandwidth Extension: The LIS2DE12TR extends bandwidth to 2.69kHz maximum, exceeding BMA223's 1kHz specification. Applications requiring bandwidth-limited operation must implement firmware-level bandwidth filtering or utilize the LIS2DE12TR's adjustable bandwidth feature.

Compliance and Availability: LIS2DE12TR maintains active product status with RoHS3 compliance certification, ensuring long-term supply chain availability and regulatory alignment. BMA223 obsolescence status creates supply risk for new production volumes.

Sensitivity Variance at ±16g: Sensitivity differs at maximum acceleration range (5 LSB/g versus 8 LSB/g). Applications utilizing ±16g range must validate firmware scaling algorithms and sensor calibration procedures.

Frequently Asked Questions (FAQ)

Q: Can LIS2DE12TR replace BMA223 in existing designs without PCB modification?

A: Yes. Both devices use identical 12-VFLGA (2x2) package footprints and surface mount configuration. PCB layout compatibility is direct. Firmware modifications may be required to accommodate sensitivity differences at ±16g range and extended bandwidth characteristics.

Q: What is the impact of LIS2DE12TR's higher minimum supply voltage (1.71V vs 1.2V)?

A: Applications with supply voltages between 1.2V and 1.71V cannot use LIS2DE12TR without voltage regulation. Verify system power supply specifications. If operation below 1.71V is required, alternative components must be evaluated.

Q: Are I2C and SPI communication protocols identical between BMA223 and LIS2DE12TR?

A: Both devices support I2C and SPI interfaces. Register maps and command structures differ between manufacturers. Firmware drivers and communication protocols require validation and potential modification for the LIS2DE12TR.

Q: How does the extended bandwidth of LIS2DE12TR (0.5Hz ~ 2.69kHz) affect system performance?

A: Extended bandwidth provides greater frequency response capability. Applications designed for BMA223's 8Hz ~ 1kHz bandwidth may experience increased noise or different signal characteristics. Utilize LIS2DE12TR's adjustable bandwidth feature to match original system specifications if necessary.

Q: What is the significance of the sensitivity difference at ±16g (8 LSB/g vs 5 LSB/g)?

A: Lower sensitivity at ±16g range reduces measurement resolution at maximum acceleration. Applications utilizing ±16g range must recalibrate sensor output scaling and validate measurement accuracy requirements.

Q: Is LIS2DE12TR's integrated temperature sensor compatible with BMA223 applications?

A: The temperature sensor is an additional feature not present in BMA223. Applications not utilizing temperature measurement are unaffected. Firmware may optionally implement temperature compensation using this feature.

Q: What compliance certifications apply to LIS2DE12TR?

A: LIS2DE12TR is RoHS3 compliant and REACH unaffected. Both devices carry EAR99 export classification. Verify compliance requirements for specific application jurisdictions.