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MMA6527KCWR2 Equivalent & Substitute Parts
Part Overview
The MMA6527KCWR2 is a digital accelerometer manufactured by NXP USA Inc., designed for dual-axis (X, Y) motion sensing applications with ±120g acceleration range and SPI output interface. This component is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing design support and production continuity. The part operates across industrial temperature ranges (-40°C to 105°C) and is compliant with RoHS3 and REACH regulations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | MMA6527KCWR2 |
| Manufacturer | NXP USA Inc. |
| Product Status | Obsolete |
| Acceleration Range | ±120g |
| Axis Configuration | X, Y (Dual-Axis) |
| Output Type | SPI |
| Supply Voltage | 3.135V ~ 5.25V |
| Operating Temperature | -40°C ~ 105°C |
| Package Type | 16-QFN (6x6) Exposed Pad |
| Mounting Type | Surface Mount |
| Features | Selectable Low Pass Filter |
| RoHS Status | ROHS3 Compliant |
| MSL Rating | 3 (168 Hours) |
Substitute Part Grouping Explanation
Substitution eligibility for the MMA6527KCWR2 is determined by the following critical parameters:
- Acceleration range: ±120g (exact match required)
- Axis configuration: X, Y dual-axis (exact match required)
- Output interface: SPI digital output (exact match required)
- Supply voltage compatibility: Overlapping operational range
- Operating temperature range: -40°C to 105°C minimum coverage
- Package mounting: Surface mount technology
- Regulatory compliance: RoHS3 and REACH status
The ADXL295WBRDZ-RL meets all substitution criteria as a functionally equivalent alternative, despite differences in package form factor (16-SOIC-EP versus 16-QFN).
Parameter Comparison
| Parameter | MMA6527KCWR2 | ADXL295WBRDZ-RL | Match Status |
|---|---|---|---|
| Manufacturer | NXP USA Inc. | Analog Devices Inc. | Different |
| Acceleration Range | ±120g | ±120g | Equivalent |
| Axis Configuration | X, Y | X, Y | Equivalent |
| Output Type | SPI | SPI | Equivalent |
| Supply Voltage | 3.135V ~ 5.25V | 3.3V ~ 5V | Compatible |
| Operating Temperature | -40°C ~ 105°C | -40°C ~ 105°C | Equivalent |
| Mounting Type | Surface Mount | Surface Mount | Equivalent |
| Features | Selectable Low Pass Filter | Selectable Low Pass Filter | Equivalent |
| Package Type | 16-QFN (6x6) Exposed Pad | 16-SOIC (0.154", 3.90mm Width) Exposed Pad | Different Form Factor |
| Product Status | Obsolete | Active | Active Status Preferred |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Equivalent |
| MSL Rating | 3 (168 Hours) | 3 (168 Hours) | Equivalent |
Engineering Selection Recommendations
The ADXL295WBRDZ-RL is the designated manufacturer-recommended substitute for the obsolete MMA6527KCWR2. Selection of this alternative is supported by:
- Active product status ensuring long-term availability and supply chain continuity
- Identical acceleration range, axis configuration, and SPI output interface
- Full compliance with RoHS3 and REACH regulatory requirements
- Matching MSL rating and operating temperature specifications
- Compatible supply voltage range with the original design
The primary design consideration is package form factor transition from 16-QFN to 16-SOIC, which requires PCB layout modification and potential footprint redesign. Both packages include exposed pads for thermal management.
Frequently Asked Questions (FAQ)
Q: Can the ADXL295WBRDZ-RL be used as a direct pin-for-pin replacement?
A: No. While both parts are 16-pin surface mount packages with identical electrical functionality, the QFN and SOIC form factors have different pinout footprints and physical dimensions. PCB layout redesign is required.
Q: Are the SPI communication protocols identical between these parts?
A: Both parts implement SPI digital output with selectable low pass filter functionality. Firmware integration requires verification against each manufacturer's datasheet for register mapping and command sequences.
Q: What is the voltage compatibility between the two parts?
A: The MMA6527KCWR2 operates at 3.135V to 5.25V, while the ADXL295WBRDZ-RL operates at 3.3V to 5V. The overlap range (3.3V to 5.25V) is compatible. Designs operating below 3.3V require alternative solutions.
Q: Why is the MMA6527KCWR2 obsolete?
A: Product obsolescence is determined by the manufacturer. The ADXL295WBRDZ-RL maintains active status with current production and supply availability.
Q: Are there thermal management differences between the packages?
A: Both packages include exposed pads for thermal dissipation. The QFN and SOIC packages have different thermal characteristics; thermal analysis should be performed for the specific application.
Q: What certifications apply to both parts?
A: Both the MMA6527KCWR2 and ADXL295WBRDZ-RL are RoHS3 compliant and REACH unaffected, with identical MSL ratings of 3 (168 hours).
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