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Melexis Technologies NV MLX90380LDC-BAC-524-RE
- Part No.:
- MLX90380LDC-BAC-524-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MLX90380LDC-BAC-524-RE.pdf
- Description:
- SENSOR RESOLVER ANLG GEN2 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,756
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Product details
Overview
MLX90380LDC-BAC-524-RE from Melexis is a monolithic Triaxis® contactless rotary position sensor IC delivering true 360° sine/cosine analog outputs for absolute angular measurement. It operates with 3.3V or 5V supply, supports -40°C to 150°C ambient, features 4µs output refresh rate, and is factory-programmed for Ferrite magnet use, X/Z magnetic axis configuration, and 50mT full-scale magnetic range.
For engineers reviewing the MLX90380LDC-BAC-524-RE datasheet, pinout, applications, or equivalent options, this page delivers verified technical context, SOIC-8 package details, magnetic axis behavior, ratiometric output design implications, and validated alternatives for motor control and industrial position sensing.
Technical Context
The MLX90380LDC-BAC-524-RE implements Triaxis® Hall technology to simultaneously sense orthogonal (X/Z) magnetic field components using integrated vertical and planar Hall elements. Its dual analog outputs (OUT1 = COS, OUT2 = SIN) are ratiometric to VDD and calibrated for 50mT full-scale range with Ferrite magnets.
This variant uses X/Z magnetic axis configuration-OUT1 responds to BX, OUT2 to BZ-enabling through-shaft operation with two-pole off-axis magnets. Sensitivity is fixed at 1.33%VDD/mT (≈66.5mV/mT at 5V), and internal sample-and-hold filtering is set to high bandwidth mode (tracking delay: 12µs).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Type | Dual ratiometric analog: OUT1 = COS, OUT2 = SIN, both referenced to VDD |
| Full-Scale Magnetic Range | 50 mT - defines ±40%VDD output swing at TA=25°C; matched to Ferrite magnets in X/Z axis |
| Output Refresh Rate | 4 µs - each field component sampled sequentially; enables >25,000 rpm angular tracking |
| Supply Voltage | 3.135–3.6 V or 4.5–5.5 V - dual-rail support; VDD3V3 and VDD5V pins must be used separately |
| Operating Temperature | -40°C to +150°C - qualified for under-hood automotive and industrial motor environments |
| Magnetic Axis | X/Z - OUT1 proportional to BX, OUT2 proportional to BZ; supports through-shaft configurations |
| Sensitivity | 1.33 %VDD/mT - yields ~66.5 mV/mT at 5V; factory-set for Ferrite magnet temperature coefficient compensation |
Pinout & Package
MLX90380LDC-BAC-524-RE is housed in an 8-pin SOIC-8 package (JEDEC MS-012AC) with exposed pad for thermal enhancement. Pin 2 and Pin 4 are NC and must be connected to GND for optimal EMC performance. The TEST pin (Pin 3) is functional for programming and diagnostics.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (VSS) | Supply Ground | Primary ground reference for analog and digital circuitry; must be low-impedance connection |
| 2 (NC) | Not Connected | No internal connection; tie to GND per EMC recommendation |
| 3 (TEST) | Programming & Diagnostic Interface | Enables EEPROM configuration and factory calibration via voltage-level protocol; requires external pull-down |
| 4 (NC) | Not Connected | No internal connection; tie to GND per EMC recommendation |
| 5 (OUT2) | Analog Output SIN | Ratiometric voltage proportional to BZ; 0–100%VDD range with ±40%VDD swing at full scale |
| 6 (VDD5V) | 5V Supply Input | Power rail for 4.5–5.5 V operation; VDD3V3 must remain floating when VDD5V is active |
| 7 (VDD3V3) | 3.3V Supply Input | Power rail for 3.135–3.6 V operation; VDD5V must remain floating when VDD3V3 is active |
| 8 (OUT1) | Analog Output COS | Ratiometric voltage proportional to BX; synchronized with OUT2 for arctan(OUT2/OUT1) angle computation |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® Hall Architecture | Simultaneous orthogonal (X/Z) field sensing eliminates need for external flux concentrators or multi-die assemblies |
| Programmable Magnetic Axis | X/Z configuration enables mechanical flexibility for through-shaft mounting with off-axis two-pole magnets |
| Ferrite Magnet Optimization | BAC option code configures sensitivity and TCS for stable performance with low-cost Ferrite magnets across -40°C to 150°C |
| Ratiometric Analog Outputs | OUT1/OUT2 scaling relative to VDD reduces system-level error from supply ripple and ADC reference drift |
| High-Speed Output Update | 4 µs update period supports real-time field-oriented control (FOC) loops at up to 25,000 rpm rotor speed |
Applications
| Brushless Motor Rotor Position | Electric Power Steering (EPS) |
|---|---|
|
Use Scenario: Real-time angular feedback for commutation and torque control in PMSM and BLDC motors. IC Role / Device Role / Timing Role: Primary resolver replacement delivering analog sine/cosine signals to MCU-based FOC algorithm. Use Value: Enables <1° total angular error after dynamic compensation, supporting high-efficiency motor drive at 25,000 rpm. |
Use Scenario: Absolute shaft angle measurement of steering column rotation in automotive EPS systems. IC Role / Device Role / Timing Role: Contactless position sensor interfacing directly to 12-bit+ SAR ADCs in safety-critical ASIL-B ECUs. Use Value: -40°C to 150°C operation and AEC-Q100 qualification ensure reliability in under-hood environments without shielding. |
| Industrial Servo Feedback | Rotary Actuator Control |
|
Use Scenario: Closed-loop position control of high-precision servo drives in CNC and robotics. IC Role / Device Role / Timing Role: High-bandwidth analog resolver providing sub-degree resolution for motion controller interpolation. Use Value: 4 µs output latency and ratiometric outputs reduce timing jitter and supply-induced gain error in multi-axis synchronization. |
Use Scenario: End-of-shaft or through-shaft angular monitoring in HVAC dampers, valve actuators, and robotic joints. IC Role / Device Role / Timing Role: Compact SOIC-8 position sensor enabling direct PCB-mount integration without mechanical couplings. Use Value: Ferrite magnet compatibility lowers BOM cost while maintaining 0.5% linearity over full 360° range. |
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-524-RE | Same SOIC-8 package and 50mT range, but optimized for NdFeB magnets (higher sensitivity tempco: 1100 ppm/°C vs. 2000 ppm/°C) | Requires NdFeB magnet assembly; less suitable for cost-sensitive designs using Ferrite | Select when higher magnetic field stability over temperature is needed with NdFeB magnets |
| MLX90380LGO-BAC-524-RE | TSSOP-16 dual-die redundant architecture; identical magnetic specs but separate die A/B outputs and doubled pin count | Targeted at ASIL-D or fail-operational systems requiring hardware redundancy; not drop-in compatible | Choose only when functional safety mandates dual-channel independent sensing paths |
Compared with MLX90380LDC-BAC-524-RE, the BAB-524 variant trades Ferrite cost advantage for NdFeB thermal stability, while the LGO-BAC-524 provides hardware redundancy at the expense of PCB area and layout complexity-neither is pin-compatible, and both require revalidation of magnetic coupling and signal chain.
Availability
MLX90380LDC-BAC-524-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-BAC-524-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 core expertise in magnetic sensing and embedded signal processing.
The MLX90380 product line delivers contactless absolute angular position sensing using Triaxis® technology, designed specifically for high-reliability motor control, steering, and actuation systems where robustness and precision are critical.
FAQ
What magnetic magnet type is MLX90380LDC-BAC-524-RE optimized for?
MLX90380LDC-BAC-524-RE is factory-programmed for Ferrite magnets, as indicated by the "BAC" option code. Its sensitivity temperature coefficient (2000 ppm/°C) and 50mT full-scale range are calibrated to compensate for Ferrite's magnetic field degradation over temperature, ensuring stable angular accuracy from -40°C to 150°C.
Can MLX90380LDC-BAC-524-RE operate from both 3.3V and 5V supplies simultaneously?
No. MLX90380LDC-BAC-524-RE must be powered from either VDD3V3 (3.135–3.6 V) or VDD5V (4.5–5.5 V), not both. When using VDD5V, the VDD3V3 pin must be left floating; when using VDD3V3, VDD5V must be floating. This prevents internal supply contention and ensures correct biasing of the analog front-end.
What does the "524" in MLX90380LDC-BAC-524-RE signify?
The "524" suffix encodes three configuration parameters: "5" selects high bandwidth mode (12 µs tracking delay), "2" sets X/Z magnetic axis, and "4" configures 50mT full-scale magnetic range. This matches the datasheet's option code decoding table and confirms the device's factory-programmed behavior for Ferrite magnet use.
Is MLX90380LDC-BAC-524-RE pin-compatible with other MLX90380 variants in SOIC-8?
Yes-MLX90380LDC-BAC-524-RE shares identical SOIC-8 pinout and electrical interface with all other SOIC-8 MLX90380 variants (e.g., BAA, BAB). Differences are purely functional (magnet type, axis, range, bandwidth) and programmed into on-chip EEPROM; no PCB change is required for substitution within the same package.
How is angular position calculated from MLX90380LDC-BAC-524-RE outputs?
Angular position is computed externally using arctangent: α = atan2(OUT2, OUT1), where OUT1 is the COS output (BX) and OUT2 is the SIN output (BZ). The MLX90380LDC-BAC-524-RE delivers ratiometric analog voltages, so the MCU's ADC reference should match VDD to preserve ratio integrity during angle calculation.
MLX90380LDC-BAC-524-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:
- 4.5V ~ 5.5V
- Mounting Type:
- Surface Mount
- Termination Style:
- Gull Wing
- Operating Temperature:
- -40°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-SOIC
MLX90380LDC-BAC-524-RE FAQ
1.How can I place an order for MLX90380LDC-BAC-524-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90380LDC-BAC-524-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-BAC-524-RE reliable?
The price and inventory of MLX90380LDC-BAC-524-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-BAC-524-RE is usually 5 days.
3.What payment methods are accepted for MLX90380LDC-BAC-524-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90380LDC-BAC-524-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90380LDC-BAC-524-RE?
MLX90380LDC-BAC-524-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90380LDC-BAC-524-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-BAC-524-RE?
For technical support, including MLX90380LDC-BAC-524-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90380LDC-BAC-524-RE requirements.
6.How does Aetrix verify that MLX90380LDC-BAC-524-RE is sourced from the original manufacturer or authorized distributors?
All MLX90380LDC-BAC-524-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-BAC-524-RE meets industry standards.
7.What is the process for return or replacement of MLX90380LDC-BAC-524-RE?
All MLX90380LDC-BAC-524-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90380LDC-BAC-524-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-BAC-524-RE part is unused and in its original packaging.
Return procedure for MLX90380LDC-BAC-524-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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