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Melexis Technologies NV MLX90380LDC-BAB-010-SP
- Part No.:
- MLX90380LDC-BAB-010-SP
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MLX90380LDC-BAB-010-SP.pdf
- Description:
- SENSOR ROTARY 360DEG SMD
- Quantity:
- Payment:
- Shipping:
Inventory:2,616
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Product details
Overview
MLX90380LDC-BAB-010-SP from Melexis is a monolithic Triaxis® Hall-based resolver IC delivering true 360° sine/cosine analog outputs for absolute rotary position sensing. It operates from 3.3V or 5V supply, supports -40°C to 150°C ambient, features 4 µs output refresh rate, and is factory-programmed for NdFeB magnet compatibility with 10 mT full-scale magnetic range and X/Y intrinsic magnetic axis.
For engineers reviewing the MLX90380LDC-BAB-010-SP datasheet, pinout, applications, or equivalent options, this page delivers verified technical context, SOIC-8 package details, angular error performance under dynamic conditions, ratiometric output behavior, and validated alternatives for motor control and industrial positioning systems.
Technical Context
The MLX90380LDC-BAB-010-SP implements Triaxis® technology to simultaneously sense orthogonal (X/Y) magnetic field components using integrated Hall elements and on-chip signal conditioning. Its dual analog outputs (OUT1 = COS, OUT2 = SIN) are ratiometric to VDD and calibrated for ±40% VDD swing at 10 mT input flux density.
Programmable bandwidth (high/medium/low), factory-set sensitivity temperature coefficient for NdFeB magnets, and end-of-shaft/through-shaft configurability via magnetic axis selection enable precise integration into BLDC and PMSM rotor position feedback loops without external interpolation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Refresh Rate | 4 µs - Enables real-time angle tracking up to 25,000 rpm with ≤12 µs total tracking delay in high-bandwidth mode. |
| Full-Scale Magnetic Range | 10 mT - Factory-programmed for NdFeB magnets; defines ±40% VDD output swing at TA = 25°C with VDD = nominal. |
| Operating Supply | 3.3V or 5V - Dual-supply pins (VDD3V3/VDD5V) allow flexible MCU interface; only one supply active per application. |
| Temperature Range | -40°C to 150°C - Qualified for automotive and industrial motor control environments; junction limit 165°C. |
| Angular Accuracy | ±1° total error with dynamic compensation - Achieved via off-chip arctan(OUT2/OUT1) with offset/gain correction. |
| Magnetic Axis | X/Y - Outputs correspond to BX (COS) and BY (SIN); supports end-of-shaft mounting with two-pole magnets. |
| Output Type | Ratiometric analog - Output voltage scales linearly with VDD; eliminates supply-induced gain error in ADC sampling. |
Pinout & Package
MLX90380LDC-BAB-010-SP uses the SOIC-8 RoHS-compliant package (5.0 mm × 6.2 mm × 1.75 mm body, 1.27 mm pitch). 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 VSS for EMC robustness. |
| 3 | TEST | Factory test pin - not intended for user operation; tie to VSS for optimal EMC performance. |
| 4 | NC | No connect - internally unused; recommended to tie to VSS for EMC robustness. |
| 5 | OUT2 | Analog SIN output - ratiometric voltage proportional to BY component; drives ADC input directly. |
| 6 | VDD5V | 5V supply input - active when operating at 5V; VDD3V3 must be left floating in this configuration. |
| 7 | VDD3V3 | 3.3V supply input - active when operating at 3.3V; VDD5V must be left floating in this configuration. |
| 8 | OUT1 | Analog COS output - ratiometric voltage proportional to BX component; used with OUT2 for arctan computation. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® Hall Sensing | Simultaneous orthogonal (X/Y) field measurement enables true 360° contactless angle resolution without external magnets or coils. |
| Programmable Bandwidth | High-bandwidth mode (4 µs update) supports >25,000 rpm motor speeds; medium/low modes reduce noise for slower applications. |
| NdFeB Magnet Optimization | BAB-010 option sets sensitivity temperature coefficient (TCS ≈ 1100 ppm/°C) to match NdFeB demagnetization curve over -40°C to 150°C. |
| Ratiometric Analog Outputs | OUT1/OUT2 scale precisely with VDD, eliminating gain error in systems where ADC reference shares supply rail. |
| End-of-Shaft Compatibility | X/Y axis configuration aligns with standard two-pole radial-field magnets mounted at shaft end, simplifying mechanical integration. |
Applications
| Brushless DC Motor Control | Permanent Magnet Synchronous Motor |
|---|---|
Use Scenario: Rotor position feedback in 3-phase BLDC inverters for e-bikes, power tools, and HVAC blowers. IC Role / Device Role / Timing Role: Provides real-time electrical angle for commutation timing; replaces optical encoders in harsh environments. Use Value: 4 µs output refresh ensures <12 µs latency at 25,000 rpm, enabling high-dynamic torque control without phase lag. |
Use Scenario: Field-oriented control (FOC) of PMSM drives in industrial pumps, compressors, and traction systems. IC Role / Device Role / Timing Role: Delivers high-fidelity sine/cosine signals for precise d-q axis transformation in real-time FOC algorithms. Use Value: ±1° angular error with dynamic compensation allows >95% torque ripple reduction versus lower-accuracy resolvers. |
| Electric Power Steering (EPS) | Industrial Rotary Actuators |
Use Scenario: Steering angle and torque sensing in automotive EPS modules requiring ASIL-B compliance support. IC Role / Device Role / Timing Role: Primary resolver for motor position; operates across full automotive temperature range (-40°C to 150°C). Use Value: SOIC-8 package and AEC-Q100-aligned design enable drop-in replacement in space-constrained EPS ECUs. |
Use Scenario: Position feedback in valve actuators, robotic joints, and CNC rotary tables exposed to oil, dust, and vibration. IC Role / Device Role / Timing Role: Absolute angle sensor replacing potentiometers; immune to wear, contamination, and EMI. Use Value: Ratiometric outputs eliminate calibration drift due to supply variation; 150°C rating supports sealed-gearmotor integration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar absolute rotary position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90380LDC-BAA-000-SP | SmCo magnet optimization (TCS ≈ 350 ppm/°C); 40 mT full-scale range; X/Y axis. | Better thermal stability with SmCo magnets; suited for high-temperature (>125°C) or precision-stable field applications. | Select BAA-000 when using samarium-cobalt magnets or requiring wider magnetic range for coarse-resolution systems. |
| MLX90380LDC-BAB-043-SP | NdFeB magnet optimization; 30 mT full-scale range; X/Y axis; medium bandwidth (≈8 µs update). | Lower sensitivity improves SNR in noisy EMI environments; reduced bandwidth lowers output noise for low-speed actuators. | Select BAB-043 when system speed <10,000 rpm and higher immunity to electromagnetic interference is required. |
Compared with MLX90380LDC-BAB-010-SP, the BAA-000 offers superior thermal stability for SmCo-based systems but requires stronger magnetic fields, while the BAB-043 trades update speed for improved noise margin-making each variant optimal for distinct magnet types, speed requirements, and EMI profiles.
Availability
MLX90380LDC-BAB-010-SP is available at Aetrix Electronics and suitable for brushless motor control, electric power steering, and industrial rotary actuator designs requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MLX90380LDC-BAB-010-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 applications, with core expertise in magnetic sensing, infrared thermometry, and automotive ASICs.
The MLX90380 belongs to Melexis' Triaxis® resolver product line, engineered specifically for high-reliability, contactless angular position sensing in demanding motor control and safety-critical systems.
FAQ
What is the magnetic axis configuration of MLX90380LDC-BAB-010-SP?
The MLX90380LDC-BAB-010-SP is factory-programmed for X/Y intrinsic magnetic axis, meaning OUT1 corresponds to the BX (cosine) component and OUT2 to the BY (sine) component of the applied magnetic field. This configuration supports end-of-shaft mounting with two-pole radial magnets and is confirmed by the "BAB-010" option code's third digit "1", indicating X/Y axis per Melexis ordering table.
Does MLX90380LDC-BAB-010-SP support both 3.3V and 5V operation simultaneously?
No, MLX90380LDC-BAB-010-SP does not support simultaneous 3.3V and 5V operation. It has separate VDD3V3 and VDD5V pins; only one supply must be active at a time. When using 3.3V, VDD5V must be left floating; when using 5V, VDD3V3 must be left floating - as specified in Section 9.1 and Application Diagrams 12–13 of the datasheet.
What is the full-scale magnetic range and sensitivity of MLX90380LDC-BAB-010-SP?
The MLX90380LDC-BAB-010-SP has a factory-programmed full-scale magnetic range of 10 mT, resulting in a ±40% VDD output swing at TA = 25°C. Its sensitivity is approximately 4 %VDD/mT (i.e., 200 mV/mT at 5V), consistent with the "xx1" suffix in the option code and Table 7's specification for 10 mT range under 3.3V supply.
Can MLX90380LDC-BAB-010-SP be used in through-shaft configurations?
No, MLX90380LDC-BAB-010-SP is configured for X/Y magnetic axis, which is optimized for end-of-shaft (on-axis) applications with two-pole magnets. Through-shaft operation requires X/Z or Z/Y axis configurations (e.g., BAB-013 or BAB-023), as stated in Section 8 and Table 2 of the datasheet - the "010" option explicitly denotes X/Y axis and 10 mT range.
What is the maximum rotational speed supported by MLX90380LDC-BAB-010-SP?
The MLX90380LDC-BAB-010-SP supports up to 25,000 rpm with high-bandwidth programming, achieving ≤12 µs tracking delay and 1.6 samples per degree at that speed. This capability is enabled by its 4 µs output refresh rate and is validated in Table 8's "Magnetic Angular Speed" and "Output Update Rate" specifications under high-bandwidth conditions.
MLX90380LDC-BAB-010-SP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- Triaxis®
- Packaging:
- Bulk
- Product Status:
- Not For New Designs
- Programmable:
- -
- For Measuring:
- Linear, Rotary Position
- Technology:
- Hall Effect
- Rotation Angle - Electrical, Mechanical:
- 0° ~ 360°, Continuous
- Linear Range:
- -
- Output:
- -
- Output Signal:
- -
- Actuator Type:
- External Magnet, Not Included
- Linearity:
- -
- Resistance:
- -
- Resistance Tolerance:
- -
- Voltage - Supply:
- 3.135V ~ 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-010-SP FAQ
1.How can I place an order for MLX90380LDC-BAB-010-SP through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90380LDC-BAB-010-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-010-SP reliable?
The price and inventory of MLX90380LDC-BAB-010-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-010-SP is usually 5 days.
3.What payment methods are accepted for MLX90380LDC-BAB-010-SP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90380LDC-BAB-010-SP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90380LDC-BAB-010-SP?
MLX90380LDC-BAB-010-SP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90380LDC-BAB-010-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-010-SP?
For technical support, including MLX90380LDC-BAB-010-SP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90380LDC-BAB-010-SP requirements.
6.How does Aetrix verify that MLX90380LDC-BAB-010-SP is sourced from the original manufacturer or authorized distributors?
All MLX90380LDC-BAB-010-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-010-SP meets industry standards.
7.What is the process for return or replacement of MLX90380LDC-BAB-010-SP?
All MLX90380LDC-BAB-010-SP units undergo pre-shipment inspection (PSI). If there is an issue with MLX90380LDC-BAB-010-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-010-SP part is unused and in its original packaging.
Return procedure for MLX90380LDC-BAB-010-SP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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