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Melexis Technologies NV MLX90380LDC-BAB-005-RE
- Part No.:
- MLX90380LDC-BAB-005-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MLX90380LDC-BAB-005-RE.pdf
- Description:
- SENSOR RESOLVER ANLG GEN2 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,260
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Product details
Overview
MLX90380LDC-BAB-005-RE 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 programmable X/Z magnetic axis for end-of-shaft or through-shaft operation using NdFeB magnets. It operates from -40°C to 150°C at 3.3 V or 5 V supply and supports high-bandwidth motor control feedback.
For engineers reviewing the MLX90380LDC-BAB-005-RE datasheet, pinout, applications, or equivalent options, this page provides verified technical context, SOIC-8 package mapping, magnetic axis configuration (X/Z), 60 mT full-scale range, and real-world motor control integration guidance.
Technical Context
The MLX90380LDC-BAB-005-RE implements Triaxis® Hall technology with orthogonal and in-plane magnetic field sensing, enabling precise angular position resolution via dual analog outputs (OUT1 = COS, OUT2 = SIN). Its internal architecture supports factory-programmed X/Z magnetic axis alignment and ratiometric output scaling relative to VDD.
This variant uses NdFeB magnet compatibility (BAB prefix), 60 mT full-scale magnetic range (suffix -005), and high-bandwidth mode (first digit '0' in -005 indicates 3.3 V / high BW per Table 2). Output update timing includes 2 µs per field component, yielding 4 µs total cycle time with tracking delay of 12 µs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Refresh Rate | 4 µs - Enables real-time rotor angle capture at up to 25,000 RPM with ≤1.8° phase shift. |
| Full-Scale Magnetic Range | 60 mT - Optimized for NdFeB magnets in compact end-of-shaft configurations with ±40%VDD output swing. |
| Magnetic Axis Configuration | X/Z - OUT1 responds to BX, OUT2 to BZ; supports off-axis through-shaft mounting with 50% BZ/BXY sensitivity mismatch. |
| Supply Voltage Options | 3.3 V or 5 V - Dual VDD pins (VDD3V3/VDD5V); only one active at a time; floating unused rail required. |
| Operating Temperature | -40°C to 150°C - Qualified for automotive powertrain and industrial motor drive environments. |
| Output Linearity | ±0.5% - Measured over 0.5–4.5 V (5 V) or 0.33–2.97 V (3.3 V) output range; enables <1° uncorrected angular error. |
| Total Angular Error (w/ compensation) | ±1° - Achievable using external ECU offset/gain correction on raw sine/cosine outputs prior to arctan computation. |
Pinout & Package
MLX90380LDC-BAB-005-RE is housed in an 8-pin SOIC-8 package (3.9 mm × 4.9 mm, 1.27 mm pitch) with exposed pad for thermal dissipation. Unused pins (NC) and TEST must be tied to ground for optimal EMC performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VSS | Supply ground reference for analog and digital blocks; mandatory low-impedance connection to PCB ground plane. |
| 2, 4 | NC | No internal connection; must be connected to GND per EMC guidelines to suppress radiated emissions. |
| 3 | TEST | Factory test access; tied to GND in application to prevent noise coupling and ensure stable operation. |
| 5 | OUT2 | Sine analog output (SIN); ratiometric to VDD; used with OUT1 for arctan-based angle calculation. |
| 6 | VDD5V | 5 V supply input; active only when operating in 5 V mode; VDD3V3 must remain floating. |
| 7 | VDD3V3 | 3.3 V supply input; active only when operating in 3.3 V mode; VDD5V must remain floating. |
| 8 | OUT1 | Cosine analog output (COS); ratiometric to VDD; paired with OUT2 for absolute angular position decoding. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® Hall Sensing | Simultaneous orthogonal (Z) and in-plane (X/Y) magnetic field detection enables robust 3D position sensing without mechanical alignment constraints. |
| Programmable Magnetic Axis | X/Z configuration (BAB-005) allows direct integration with off-axis rotating magnets in through-shaft BLDC motor assemblies. |
| Ratiometric Analog Outputs | OUT1/OUT2 scale linearly with VDD, eliminating need for precision voltage references in MCU ADC front-end design. |
| High-Speed Output Update | 4 µs cycle time supports closed-loop FOC at >20 kHz PWM frequencies with minimal latency in torque control loops. |
| Factory-Set 60 mT Range | Optimized sensitivity for NdFeB magnets ensures maximum signal-to-noise ratio and dynamic range utilization in space-constrained motors. |
Applications
| Brushless Motor Rotor Position | Electric Power Steering (EPS) |
|---|---|
|
Use Scenario: Real-time angular measurement of permanent magnet rotor in PMSM or BLDC motor for field-oriented control. IC Role / Device Role / Timing Role: Primary resolver replacement delivering true 360° sine/cosine signals with 4 µs update rate and ±1° compensated accuracy. Use Value: Enables high-efficiency torque vectoring and smooth commutation at 25,000 RPM without optical encoder fragility or resolver size penalties. |
Use Scenario: Absolute steering angle sensing in column-assist or rack-assist EPS systems requiring ASIL-B compliance. IC Role / Device Role / Timing Role: Contactless angular transducer providing fail-operational redundancy-ready position data to dual-core safety MCU. Use Value: -40°C to 150°C operation and AEC-Q100 qualification ensure reliability across vehicle lifetime under hood thermal cycling. |
| Industrial Servo Motor Feedback | Robot Joint Actuation |
|
Use Scenario: High-precision shaft angle feedback in closed-loop servo drives for CNC and packaging machinery. IC Role / Device Role / Timing Role: Analog resolver substitute interfacing directly to 12-bit+ SAR ADCs with ratiometric scaling and minimal external components. Use Value: 0.5% linearity and programmable bandwidth allow adaptive filtering to match mechanical resonance frequencies without firmware changes. |
Use Scenario: Compact joint-angle sensing in collaborative robot arms where space, weight, and EMI immunity are critical. IC Role / Device Role / Timing Role: Triaxis®-enabled single-chip solution replacing multi-sensor assemblies for multi-axis orientation tracking. Use Value: SOIC-8 footprint and X/Z axis support enable direct PCB mounting on motor housings with no magnet repositioning. |
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-BAB-000-RE | 40 mT full-scale range; same X/Z axis, NdFeB magnet, SOIC-8, high-bandwidth mode. | Better suited for higher-flux density magnet geometries or tighter mechanical air gaps. | Select when magnet flux exceeds 45 mT peak; retains identical pinout, programming interface, and thermal specs. |
| MLX90380LGO-BAB-005-RE | TSSOP-16 dual-die redundant package; identical magnetic specs, 60 mT range, X/Z axis, NdFeB support. | Required for ASIL-D functional safety architectures needing hardware redundancy and fault detection. | Choose for automotive safety-critical systems where ISO 26262 compliance mandates dual-channel monitoring. |
Compared with MLX90380LDC-BAB-000-RE, the -005 offers +50% magnetic range headroom for margin-critical designs; versus MLX90380LGO-BAB-005-RE, the SOIC-8 version reduces board area and cost while maintaining identical core sensing performance and temperature rating.
Availability
MLX90380LDC-BAB-005-RE is available at Aetrix Electronics and suitable for brushless motor control, electric power steering, and industrial servo applications requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MLX90380LDC-BAB-005-RE 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 expertise in magnetic sensing, thermal imaging, and RF solutions.
The MLX90380 product line delivers contactless absolute angular position sensing using Triaxis® Hall technology, targeting high-reliability motor control, steering, and robotics applications demanding wide temperature operation and programmable magnetic configurations.
FAQ
What magnetic axis configuration does MLX90380LDC-BAB-005-RE implement?
MLX90380LDC-BAB-005-RE implements the X/Z magnetic axis configuration, where OUT1 responds to the X-axis magnetic field component and OUT2 to the Z-axis component. This configuration is optimized for off-axis through-shaft applications using NdFeB magnets and includes built-in 50% sensitivity mismatch between axes to accommodate typical magnet geometries.
How is the 60 mT full-scale range of MLX90380LDC-BAB-005-RE achieved?
The 60 mT full-scale range of MLX90380LDC-BAB-005-RE is factory-programmed during final test and corresponds to the BAB-005 option code. It defines the in-plane (X) or orthogonal (Z) flux density that produces a ±40%VDD output swing at 25°C, enabling optimal ADC utilization with NdFeB magnets in compact motor assemblies.
Can MLX90380LDC-BAB-005-RE operate from both 3.3 V and 5 V supplies simultaneously?
No, MLX90380LDC-BAB-005-RE cannot operate from both supplies simultaneously. It features separate VDD3V3 and VDD5V pins; only one supply rail may be active at a time. When using 3.3 V, VDD5V must be left floating; when using 5 V, VDD3V3 must be left floating to prevent damage or undefined behavior.
What is the significance of the 4 µs output refresh rate in MLX90380LDC-BAB-005-RE?
The 4 µs output refresh rate in MLX90380LDC-BAB-005-RE means both OUT1 (COS) and OUT2 (SIN) are updated every 4 µs, with each field component sampled sequentially in 2 µs. This enables accurate rotor position capture at up to 25,000 RPM with minimal phase lag, supporting high-bandwidth field-oriented control loops in demanding motor applications.
Does MLX90380LDC-BAB-005-RE require external calibration for angular accuracy?
MLX90380LDC-BAB-005-RE delivers ±10° total angular error without correction but achieves ±1° accuracy with dynamic compensation applied externally by the host MCU-such as offset, gain, and phase correction on raw sine/cosine outputs prior to arctan(OUT2/OUT1) computation. No factory calibration is required for basic operation.
MLX90380LDC-BAB-005-RE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- Triaxis®
- Packaging:
- Tape & Reel (TR)
- 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-005-RE FAQ
1.How can I place an order for MLX90380LDC-BAB-005-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90380LDC-BAB-005-RE 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-005-RE reliable?
The price and inventory of MLX90380LDC-BAB-005-RE 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-005-RE is usually 5 days.
3.What payment methods are accepted for MLX90380LDC-BAB-005-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90380LDC-BAB-005-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90380LDC-BAB-005-RE?
MLX90380LDC-BAB-005-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90380LDC-BAB-005-RE 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-005-RE?
For technical support, including MLX90380LDC-BAB-005-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90380LDC-BAB-005-RE requirements.
6.How does Aetrix verify that MLX90380LDC-BAB-005-RE is sourced from the original manufacturer or authorized distributors?
All MLX90380LDC-BAB-005-RE 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-005-RE meets industry standards.
7.What is the process for return or replacement of MLX90380LDC-BAB-005-RE?
All MLX90380LDC-BAB-005-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90380LDC-BAB-005-RE, 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-005-RE part is unused and in its original packaging.
Return procedure for MLX90380LDC-BAB-005-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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