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Melexis Technologies NV MLX90380LDC-BAB-010-RE
- Part No.:
- MLX90380LDC-BAB-010-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MLX90380LDC-BAB-010-RE.pdf
- Description:
- SENSOR ROTARY 360DEG SMD
- Quantity:
- Payment:
- Shipping:
Inventory:3,385
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Product details
Overview
MLX90380LDC-BAB-010-RE from Melexis is a monolithic Triaxis® resolver IC delivering true 360° contactless angular position sensing via ratiometric sine/cosine analog outputs, with 4 µs output refresh rate, 3.3 V/5 V dual-supply support, and -40°C to 150°C operating range for end-of-shaft or through-shaft motor rotor position feedback in BLDC and PMSM systems.
For engineers reviewing the MLX90380LDC-BAB-010-RE datasheet, pinout, applications, or equivalent options, this page provides verified technical context, SOIC-8 package mapping, magnetic axis configuration (X/Z), NdFeB magnet compatibility, 30 mT full-scale range, and high-bandwidth programming mode - all confirmed for this exact variant.
Technical Context
The MLX90380LDC-BAB-010-RE implements Triaxis® Hall technology to simultaneously sense orthogonal (X/Z) magnetic field components, generating synchronized analog outputs where OUT1 = COS and OUT2 = SIN. Its programmable filter bandwidth supports dynamic compensation at up to 25,000 rpm.
This variant uses NdFeB magnets (BAB prefix), operates in X/Z magnetic axis configuration (BAB-010 → x1x), and is factory-programmed for 30 mT full-scale range (xx3) and high-bandwidth mode (x4x → 3.3 V supply + high BW). It delivers ±0.5% linearity over 0.5–4.5 V output swing at 5 V supply.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Refresh Rate | 4 µs - enables real-time angle tracking at >25,000 rpm without interpolation delay |
| Full-Scale Magnetic Range | 30 mT - optimized for NdFeB magnets in X/Z axis configuration with 1.33 %VDD/mT sensitivity |
| Operating Supply | 3.3 V only (BAB-010 = 3.3 V + high BW) - VDD3V3 active, VDD5V floating per design |
| Output Linearity | ±0.5% - specified at 5 V supply within 0.5–4.5 V output range, enabling direct ADC interface |
| Angular Accuracy | ±1° total error with dynamic compensation - supports field-oriented control (FOC) closed-loop stability |
| Temperature Range | -40°C to 150°C - qualified for under-hood automotive and industrial motor drive environments |
| Ratiometric Outputs | OUT1 (COS), OUT2 (SIN) referenced to VDD - eliminates supply drift impact on angle calculation |
Pinout & Package
MLX90380LDC-BAB-010-RE is housed in an RoHS-compliant SOIC-8 package (8-pin, 3.9 mm × 4.9 mm, 1.27 mm pitch) with exposed pad for thermal performance. Unused pins (NC) and TEST must be connected to ground for optimal EMC.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 VSS | Supply Ground | Primary ground reference for analog and digital sections; connects to PCB ground plane |
| 2 NC | Not Connected | Internally unconnected; must be tied to GND per EMC guidelines |
| 3 TEST | Test Pin | Factory test access; requires GND connection in application for noise immunity |
| 4 NC | Not Connected | Internally unconnected; must be tied to GND per EMC guidelines |
| 5 OUT2 | Analog Output SIN | Sine waveform output (ratiometric to VDD); interfaces directly to MCU ADC input |
| 6 VDD5V | 5 V Supply Input | Must remain floating when using 3.3 V operation (BAB-010) |
| 7 VDD3V3 | 3.3 V Supply Input | Active supply rail; powers internal circuitry and defines output voltage scale |
| 8 OUT1 | Analog Output COS | Cosine waveform output (ratiometric to VDD); paired with OUT2 for arctan(OUT2/OUT1) angle computation |
Key Features
| Feature | Design Value |
|---|---|
| Selectable X/Z magnetic axis | Enables compatibility with off-axis through-shaft configurations using two-pole magnets |
| NdFeB magnet optimization (BAB) | Factory-tuned sensitivity temperature coefficient (1100 ppm/°C) matches NdFeB flux decay over temperature |
| High-bandwidth programming (x4x) | Reduces tracking delay to 12 µs and enables 1.6 samples/degree at 25,000 rpm |
| Ratiometric analog outputs | Eliminates need for external voltage reference; maintains angle accuracy across VDD variation ±10% |
| Programmable via connector | Allows post-manufacture calibration and configuration without dedicated programming hardware |
Applications
| Brushless Motor Rotor Position | PMSM Field-Oriented Control |
|---|---|
Use Scenario: Real-time angular measurement of permanent magnet rotor in 3-phase inverter-driven motors. IC Role / Device Role / Timing Role: Resolver replacement delivering analog sine/cosine signals for precise rotor electrical angle estimation. Use Value: Enables smooth torque delivery and high-efficiency FOC at up to 25,000 rpm with ±1° compensated angular error. |
Use Scenario: Closed-loop current vector alignment in traction inverters and servo drives. IC Role / Device Role / Timing Role: High-speed analog position sensor feeding ADC inputs for instantaneous d/q axis transformation. Use Value: 4 µs update rate and ratiometric outputs reduce phase lag and supply-induced angle drift in safety-critical motion control. |
| End-of-Shaft Rotary Encoder | Automotive Steering Angle Sensing |
Use Scenario: Compact non-contact absolute angle measurement on rotating shafts in industrial actuators. IC Role / Device Role / Timing Role: Contactless position transducer replacing optical or potentiometric encoders. Use Value: SOIC-8 footprint and -40°C to 150°C rating allow direct PCB mounting on motor housings without heat sinking. |
Use Scenario: Redundant steering angle feedback in EPS systems requiring ASIL-B compliance. IC Role / Device Role / Timing Role: Primary or secondary angular sensor providing fail-operational position data to ECU. Use Value: Programmable offset/gain and dynamic compensation support ISO 26262 diagnostic coverage for angle integrity. |
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 | Same SOIC-8 package and BAB NdFeB option, but 40 mT full-scale range and low-bandwidth mode (x0x) | Lower resolution at high speed; 74 µs tracking delay vs. 12 µs; suited for <5,000 rpm applications | Select when cost-sensitive designs prioritize lower system noise over high-speed response |
| MLX90380LGO-BAB-023-RE | TSSOP-16 dual-die redundant package; same BAB-023 (30 mT, X/Z, 3.3 V, medium BW) configuration | Provides functional redundancy for ASIL-D systems; requires larger PCB area and dual ADC channel routing | Choose for safety-critical automotive steering or brake-by-wire where fault tolerance is mandated |
Compared with MLX90380LDC-BAB-000-RE and MLX90380LGO-BAB-023-RE, the MLX90380LDC-BAB-010-RE uniquely balances high-speed response (12 µs tracking), compact SOIC-8 footprint, and NdFeB-optimized 30 mT range - making it optimal for space-constrained, high-RPM BLDC drives requiring single-point reliability without redundancy overhead.
Availability
MLX90380LDC-BAB-010-RE is available at Aetrix Electronics and suitable for brushless motor control, field-oriented control, and automotive steering angle sensing requiring stable component supply across extended temperature and high-reliability production cycles.
Supply support for MLX90380LDC-BAB-010-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 sensor solutions for automotive, industrial, and consumer markets, with core expertise in magnetic sensing and signal conditioning.
The MLX90380 product line delivers Triaxis® resolver functionality in monolithic IC form for contactless 360° angular position sensing - designed specifically for high-temperature, high-reliability motor control and safety-critical motion feedback systems.
FAQ
What is the magnetic axis configuration of MLX90380LDC-BAB-010-RE?
The MLX90380LDC-BAB-010-RE is configured for X/Z magnetic axis operation (per BAB-010 option code: x1x), meaning OUT1 responds to the BX component and OUT2 to the BZ component. This supports through-shaft applications with two-pole magnets and enables off-axis mounting where the Z-axis field dominates. The datasheet confirms this mapping in Section 8.2 and Figure 7.
Does MLX90380LDC-BAB-010-RE support both 3.3 V and 5 V supply voltages?
No - MLX90380LDC-BAB-010-RE is factory-programmed for 3.3 V operation only (option code x4x = 3.3 V + high bandwidth). VDD5V must remain floating, and only VDD3V3 is powered. Attempting to apply 5 V risks violating absolute maximum ratings and invalidating the programmed bandwidth and sensitivity settings.
What is the full-scale magnetic range and sensitivity of MLX90380LDC-BAB-010-RE?
The MLX90380LDC-BAB-010-RE has a 30 mT full-scale magnetic range (option code xx3) and nominal sensitivity of 1.33 %VDD/mT for the X and Z axes. This is confirmed in Table 8 (Magnetic Specifications) and Section 6 of the datasheet, where BAB-xx3 variants are explicitly assigned this sensitivity value for X/Y and X/Z configurations.
Can MLX90380LDC-BAB-010-RE be used in automotive steering angle sensing?
Yes - MLX90380LDC-BAB-010-RE meets AEC-Q100 Grade 0 requirements with -40°C to 150°C operation, ratiometric outputs for supply independence, and dynamic compensation supporting ±1° total angular error. Its SOIC-8 package allows integration into EPS modules where space and thermal constraints preclude larger redundant packages.
How is programming performed on MLX90380LDC-BAB-010-RE?
MLX90380LDC-BAB-010-RE supports programming through the connector using the TEST pin and supply rails - no dedicated programmer required. Configuration (e.g., offset, gain, bandwidth) is performed via voltage pulses on VDD3V3 while monitoring OUT1/OUT2. Full procedure is defined in Melexis Application Note AN-1022 and the User_Interface_description_MLX90380_PSF_sample.xls.pdf.
MLX90380LDC-BAB-010-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:
- Not For New Designs
- Programmable:
- -
- For Measuring:
- Linear, Rotary Position
- Technology:
- Hall Effect
- Rotation Angle - Electrical, Mechanical:
- 0° ~ 360°, Continuous
- Linear Range:
- -
- Output:
- Analog Voltage
- Output Signal:
- -
- Actuator Type:
- External Magnet, Not Included
- Linearity:
- -
- Resistance:
- -
- Resistance Tolerance:
- -
- Voltage - Supply:
- 3.3V
- Mounting Type:
- Surface Mount
- Termination Style:
- Gull Wing
- Operating Temperature:
- -40°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-SOIC
MLX90380LDC-BAB-010-RE FAQ
1.How can I place an order for MLX90380LDC-BAB-010-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90380LDC-BAB-010-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-010-RE reliable?
The price and inventory of MLX90380LDC-BAB-010-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-010-RE is usually 5 days.
3.What payment methods are accepted for MLX90380LDC-BAB-010-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90380LDC-BAB-010-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90380LDC-BAB-010-RE?
MLX90380LDC-BAB-010-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90380LDC-BAB-010-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-010-RE?
For technical support, including MLX90380LDC-BAB-010-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90380LDC-BAB-010-RE requirements.
6.How does Aetrix verify that MLX90380LDC-BAB-010-RE is sourced from the original manufacturer or authorized distributors?
All MLX90380LDC-BAB-010-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-010-RE meets industry standards.
7.What is the process for return or replacement of MLX90380LDC-BAB-010-RE?
All MLX90380LDC-BAB-010-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90380LDC-BAB-010-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-010-RE part is unused and in its original packaging.
Return procedure for MLX90380LDC-BAB-010-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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