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Melexis Technologies NV MLX90380LDC-BAB-023-SP
- Part No.:
- MLX90380LDC-BAB-023-SP
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MLX90380LDC-BAB-023-SP.pdf
- Description:
- SENSOR RESOLVER ANLG GEN2 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,939
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Product details
Overview
MLX90380LDC-BAB-023-SP from Melexis is a monolithic Triaxis® contactless rotary position sensor IC delivering true 360° sine/cosine analog outputs with 4 µs output refresh rate, ±40%VDD swing, and ratiometric operation across 3.3 V or 5 V supply. It supports NdFeB magnets, X/Z magnetic axis configuration, 30 mT full-scale range, and operates from −40°C to 150°C in end-of-shaft or through-shaft motor feedback systems.
For engineers reviewing the MLX90380LDC-BAB-023-SP datasheet, pinout, applications, or equivalent options, this page delivers verified technical context, SOIC-8 package mapping, real-world angular error performance (±1° with dynamic compensation), magnetic axis selection impact, and validated alternative options for BLDC and PMSM rotor position sensing.
Technical Context
The MLX90380LDC-BAB-023-SP implements Triaxis® Hall technology to simultaneously sense orthogonal (X/Z) magnetic field components using on-die integrated Hall elements and signal conditioning. Its dual analog outputs (OUT1 = COS, OUT2 = SIN) are ratiometric to VDD and programmable via four application pins for sensitivity, bandwidth, and axis selection.
This variant is factory-programmed for NdFeB magnet compatibility (BAB), X/Z magnetic axis (x2x digit), 30 mT full-scale range (xx3), and high-bandwidth mode (x4x digit), enabling sub-µs tracking delay (12 µs) and 25,000 rpm angular speed support with <1° total angular error when paired with dynamic ECU compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Refresh Rate | 4 µs - Enables real-time angle reconstruction at up to 250 kSPS for high-speed motor control loops. |
| Full-Scale Magnetic Range | 30 mT - Optimized for NdFeB magnets in compact end-of-shaft configurations with ±40%VDD output swing. |
| Magnetic Axis | X/Z - OUT1 measures BX, OUT2 measures BZ; supports off-axis through-shaft mounting with 50% BZ/BX sensitivity mismatch. |
| Supply Voltage | 3.135–3.6 V or 4.5–5.5 V - Dual-rail support enables direct interfacing with 3.3 V or 5 V MCUs without level shifting. |
| Operating Temperature | −40°C to +150°C - Qualified for under-hood automotive and industrial motor drive environments. |
| Total Angular Error | ±1° with dynamic compensation - Achievable via external ECU offset/gain/phase correction prior to arctan(OUT2/OUT1). |
| Output Ratiometry | ±2.5% - Ensures stable angle calculation despite VDD variation, critical for unregulated power domains. |
Pinout & Package
MLX90380LDC-BAB-023-SP is housed in an 8-pin SOIC-8 package (JEDEC MS-012AC) with exposed pad for thermal enhancement and RoHS compliance. Pin 1 is located at the top-left corner adjacent to the notch or dot marking.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VSS | Supply ground reference for all internal circuitry and analog outputs; must be low-impedance connection. |
| 2 | NC | No connect - internally unused; recommended to tie to GND for EMC improvement. |
| 3 | TEST | Factory test pin - not intended for user operation; tie to GND for optimal EMC performance. |
| 4 | NC | No connect - internally unused; recommended to tie to GND for EMC improvement. |
| 5 | OUT2 | Analog SIN output - ratiometric voltage proportional to BZ; drives ADC input directly. |
| 6 | VDD5V | 5 V supply rail - active only in 5 V mode; VDD3V3 must be left floating during 5 V operation. |
| 7 | VDD3V3 | 3.3 V supply rail - active only in 3.3 V mode; VDD5V must be left floating during 3.3 V operation. |
| 8 | OUT1 | Analog COS output - ratiometric voltage proportional to BX; used with OUT2 for arctan-based angle computation. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® Hall Sensing | Simultaneous orthogonal (X/Z) field measurement eliminates need for external flux concentrators or multi-die assemblies. |
| Programmable Bandwidth | High-bandwidth mode (12 µs tracking delay) enables accurate position capture at 25,000 rpm without aliasing. |
| Ratiometric Outputs | Output voltages scale linearly with VDD, removing dependency on absolute supply regulation in noisy motor drive environments. |
| Factory-Configured Axis & Range | X/Z axis and 30 mT range pre-programmed for NdFeB magnets - reduces system calibration overhead and startup time. |
| End-of-Shaft / Through-Shaft Flexibility | Supports both mechanical mounting styles via configurable magnetic axis and sensitivity mismatch handling (BZ/BX = 50%). |
Applications
| Brushless DC Motor Control | Permanent Magnet Synchronous Motor |
|---|---|
|
Use Scenario: Real-time rotor position feedback in 3-phase inverter-driven BLDC motors for e-bikes, power tools, and HVAC blowers. IC Role / Device Role / Timing Role: Delivers synchronized COS/SIN analog outputs to MCU ADC for commutation timing and field-oriented control (FOC) vector calculation. Use Value: 4 µs update rate and ±1° compensated accuracy enable precise 120° trapezoidal or sinusoidal commutation at >10,000 rpm. |
Use Scenario: High-precision angular sensing in PMSM traction inverters for electric vehicles and industrial servo drives. IC Role / Device Role / Timing Role: Provides resolver-like sine/cosine signals to FOC algorithm for torque ripple minimization and efficiency optimization. Use Value: Ratiometric outputs and −40°C to +150°C operation ensure stable angle reconstruction across battery voltage sag and thermal transients. |
| Electric Power Steering (EPS) | Industrial Rotary Encoders |
|
Use Scenario: Contactless steering angle and torque sensing in automotive EPS modules requiring ASIL-B functional safety compliance. IC Role / Device Role / Timing Role: Primary position sensor feeding redundant control path; supports diagnostic monitoring via TEST pin and EEPROM programming interface. Use Value: X/Z axis configuration accommodates compact through-shaft design while maintaining <1° total angular error after ECU compensation. |
Use Scenario: Replacement for optical or capacitive encoders in harsh industrial environments (e.g., CNC spindles, robotic joints). IC Role / Device Role / Timing Role: Absolute 360° position sensor interfaced to PLC or motion controller ADC inputs for closed-loop positioning. Use Value: Immunity to dust, oil, vibration, and EMI eliminates maintenance downtime associated with fragile optical components. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar rotary position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90380LDC-BAB-025-SP | Same SOIC-8 package and NdFeB magnet support, but 60 mT full-scale range and medium-bandwidth mode (29.5 µs tracking delay). | Better suited for lower-speed, high-magnetic-gap applications where signal-to-noise ratio outweighs update rate requirements. | Select when mechanical air gap exceeds 3 mm or magnet strength varies widely; retains identical pinout and programming interface. |
| MLX90380LGO-BAB-023-SP | TSSOP-16 dual-die fully redundant package with independent A/B die outputs; same X/Z axis, 30 mT range, and high-bandwidth mode. | Required for ASIL-D or SIL-3 functional safety architectures needing hardware redundancy and fault detection. | Choose when ISO 26262 or IEC 61508 compliance mandates dual-channel monitoring; requires PCB layout change and additional signal routing. |
Compared with MLX90380LDC-BAB-023-SP, the -025 variant trades update speed for higher magnetic tolerance, while the LGO-BAB-023 offers safety-certifiable redundancy at the cost of footprint and complexity - neither is pin-compatible, but all share identical signal chain architecture and calibration methodology.
Availability
MLX90380LDC-BAB-023-SP is available at Aetrix Electronics and suitable for brushless motor control, electric power steering, and industrial rotary encoder applications requiring stable component supply, long-term lifecycle support, and automotive-grade temperature resilience.
Supply support for MLX90380LDC-BAB-023-SP 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
Melexis is a Belgian semiconductor company specializing in intelligent sensors and driver ICs for automotive and industrial markets, with core expertise in magnetic sensing, thermal imaging, and RF communication.
The MLX90380 product line delivers Triaxis® resolver functionality in monolithic IC form for high-reliability angular position sensing in motor control, steering, and robotics - designed to replace legacy resolvers and optical encoders with smaller size, lower cost, and simplified integration.
FAQ
What magnetic axis configuration does MLX90380LDC-BAB-023-SP use?
MLX90380LDC-BAB-023-SP is factory-programmed for the X/Z magnetic axis configuration, meaning OUT1 responds to the BX field component and OUT2 to the BZ component. This supports through-shaft mounting with 50% sensitivity mismatch (BZ/BX = 50%), as defined by the 'x2x' digit in its option code. The configuration is fixed and cannot be reprogrammed in-circuit.
What is the full-scale magnetic range and magnet type supported by MLX90380LDC-BAB-023-SP?
MLX90380LDC-BAB-023-SP supports NdFeB magnets (indicated by 'BAB') and has a factory-set full-scale magnetic range of 30 mT (indicated by 'xx3'). At this range, it delivers ±40%VDD output swing with 50%VDD quiescent level, optimized for compact end-of-shaft designs with standard-grade neodymium magnets.
Does MLX90380LDC-BAB-023-SP require external programming for basic operation?
No, MLX90380LDC-BAB-023-SP is shipped pre-programmed with X/Z axis, 30 mT range, NdFeB magnet profile, and high-bandwidth mode - enabling immediate use with no external programming required. The TEST pin is reserved for factory use only and must be tied to GND; no user-accessible EEPROM or configuration interface exists on this variant.
How does MLX90380LDC-BAB-023-SP achieve ±1° angular accuracy?
MLX90380LDC-BAB-023-SP achieves ±1° total angular error only when paired with dynamic compensation in the host ECU - applying offset, gain, and phase correction to OUT1 and OUT2 before computing arctan(OUT2/OUT1). The raw sensor error is ±10° at 25°C and ±15° over −40°C to +150°C; ECU-level correction is mandatory for high-accuracy applications.
Can MLX90380LDC-BAB-023-SP operate from both 3.3 V and 5 V supplies simultaneously?
No, MLX90380LDC-BAB-023-SP must be powered from either VDD3V3 or VDD5V - not both. In 3.3 V operation, VDD5V must be left floating; in 5 V operation, VDD3V3 must be left floating. Mixing supplies risks undefined behavior and violates absolute maximum ratings. The device automatically detects active supply rail and configures internal biasing accordingly.
MLX90380LDC-BAB-023-SP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- Triaxis®
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- -
- For Measuring:
- Rotary Position
- Technology:
- Hall Effect
- Rotation Angle - Electrical, Mechanical:
- 0° ~ 360°
- Linear Range:
- -
- Output:
- Analog Voltage
- Output Signal:
- Cosine, Sine
- Actuator Type:
- External Magnet, Not Included
- Linearity:
- ±1.5%
- Resistance:
- -
- Resistance Tolerance:
- -
- Voltage - Supply:
- 1.135V ~ 3.6V
- Mounting Type:
- Surface Mount
- Termination Style:
- Gull Wing
- Operating Temperature:
- -40°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-SOIC
MLX90380LDC-BAB-023-SP FAQ
1.How can I place an order for MLX90380LDC-BAB-023-SP through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90380LDC-BAB-023-SP on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MLX90380LDC-BAB-023-SP reliable?
The price and inventory of MLX90380LDC-BAB-023-SP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90380LDC-BAB-023-SP is usually 5 days.
3.What payment methods are accepted for MLX90380LDC-BAB-023-SP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90380LDC-BAB-023-SP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90380LDC-BAB-023-SP?
MLX90380LDC-BAB-023-SP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90380LDC-BAB-023-SP order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MLX90380LDC-BAB-023-SP?
For technical support, including MLX90380LDC-BAB-023-SP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90380LDC-BAB-023-SP requirements.
6.How does Aetrix verify that MLX90380LDC-BAB-023-SP is sourced from the original manufacturer or authorized distributors?
All MLX90380LDC-BAB-023-SP products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MLX90380LDC-BAB-023-SP meets industry standards.
7.What is the process for return or replacement of MLX90380LDC-BAB-023-SP?
All MLX90380LDC-BAB-023-SP units undergo pre-shipment inspection (PSI). If there is an issue with MLX90380LDC-BAB-023-SP, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MLX90380LDC-BAB-023-SP part is unused and in its original packaging.
Return procedure for MLX90380LDC-BAB-023-SP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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