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Melexis Technologies NV MLX90380LDC-BAB-200-RE
- Part No.:
- MLX90380LDC-BAB-200-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MLX90380LDC-BAB-200-RE.pdf
- Description:
- SENSOR RESOLVER ANLG GEN2 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,535
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Product details
Overview
MLX90380LDC-BAB-200-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, 3.3 V or 5 V supply operation, and -40°C to 150°C operating temperature range. It functions as a resolver replacement in end-of-shaft or through-shaft motor position feedback systems using NdFeB magnets.
For engineers reviewing the MLX90380LDC-BAB-200-RE datasheet, pinout, applications, or equivalent options, this device supports high-bandwidth angular sensing (up to 25,000 rpm), ratiometric analog outputs, field-programmable magnetic axis (X/Z), and 70 mT full-scale sensitivity optimized for NdFeB magnet systems.
Technical Context
The MLX90380LDC-BAB-200-RE implements Triaxis® Hall technology to simultaneously sense orthogonal (X/Z) and parallel magnetic field components on a single die. Its dual analog outputs (OUT1 = COS, OUT2 = SIN) are ratiometric to VDD and updated every 4 µs with programmable tracking delay (12–85.5 µs) via internal sample-and-hold filter configuration.
This SOIC-8 variant uses NdFeB magnet calibration (BAB prefix), X/Z magnetic axis orientation, 70 mT full-scale range (suffix -200), and high-bandwidth mode (first digit '2' in -200). It supports both 3.3 V and 5 V supply configurations with dedicated VDD3V3 and VDD5V pins, requiring floating of unused supply rail.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Refresh Rate | 4 µs - Enables real-time angle computation at up to 250 kSPS for high-dynamic motor control loops. |
| Full-Scale Magnetic Range | 70 mT - Factory-programmed for NdFeB magnets, supporting robust sensing in high-field motor environments. |
| Operating Supply | 3.3 V or 5 V - Dual-rail support allows flexible MCU interface without level-shifting; unused rail must float. |
| Temperature Range | -40°C to 150°C - Qualified for under-hood automotive and industrial motor drive applications. |
| Magnetic Axis | X/Z - Enables accurate position sensing in through-shaft configurations with two-pole off-axis magnets. |
| Output Linearity | ±0.5% - Measured over 0.5–4.5 V (5 V) or 0.33–2.97 V (3.3 V) output range, enabling <1° angular error before correction. |
| Total Angular Error (uncorrected) | ±10° at 25°C - Reduces to ±1° with dynamic ECU-based offset/gain/phase compensation. |
Pinout & Package
MLX90380LDC-BAB-200-RE is housed in a RoHS-compliant SOIC-8 package (5.3 mm × 6.2 mm × 1.75 mm), optimized for surface-mount assembly and thermal performance in motor control modules.
| 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; recommended to tie to GND for EMC improvement. |
| 3 TEST | Test Pin | Factory test access; tie to GND for optimal EMC and noise immunity. |
| 4 NC | Not Connected | No internal connection; recommended to tie to GND for EMC improvement. |
| 5 OUT2 | Analog Output SIN | Ratiometric sine output (0–100% VDD); drives ADC input directly with ≤25 Ω source impedance. |
| 6 VDD5V | 5 V Supply Input | Active 5 V rail; VDD3V3 must remain floating when using this supply. |
| 7 VDD3V3 | 3.3 V Supply Input | Active 3.3 V rail; VDD5V must remain floating when using this supply. |
| 8 OUT1 | Analog Output COS | Ratiometric cosine output (0–100% VDD); paired with OUT2 for arctan(OUT2/OUT1) angle calculation. |
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 Magnetic Axis | X/Z configuration enables compatibility with through-shaft motor topologies using off-axis two-pole magnets. |
| Ratiometric Analog Outputs | OUT1/OUT2 scale linearly with VDD, removing supply voltage dependency from angle accuracy in noisy power domains. |
| High-Speed Update | 4 µs output period supports >25,000 rpm rotor speeds with <12 µs total tracking delay in high-bandwidth mode. |
| Factory-Programmed Sensitivity | 70 mT full-scale range calibrated for NdFeB magnets ensures optimal ADC utilization and SNR in high-field applications. |
Applications
| Brushless Motor Rotor Position | Electric Power Steering (EPS) |
|---|---|
Use Scenario: Real-time angular position feedback for field-oriented control (FOC) of PMSM and BLDC motors in traction inverters. IC Role / Device Role / Timing Role: Resolver-replacement sensor providing synchronized sine/cosine analog outputs for high-bandwidth angle estimation. Use Value: Enables <1° uncorrected angular error and 25,000 rpm operation, supporting torque ripple reduction and efficiency optimization in 400 V+ EV drivetrains. |
Use Scenario: Compact, high-reliability steering angle sensing in column-assist EPS modules exposed to under-hood temperatures. IC Role / Device Role / Timing Role: Contactless absolute position sensor interfacing directly with 12-bit automotive-grade ADCs in ASIL-B microcontrollers. Use Value: -40°C to 150°C operation and AEC-Q100 qualified design ensure functional safety compliance without external temperature compensation. |
| Industrial Servo Motor Feedback | Robot Joint Actuation |
Use Scenario: High-precision position feedback in closed-loop servo drives for CNC machines and packaging equipment. IC Role / Device Role / Timing Role: Analog resolver substitute delivering true 360° continuous rotation data with minimal latency for motion controller interpolation. Use Value: 4 µs update rate and ±0.5% linearity enable sub-millisecond position loop response and <0.01° repeatability after dynamic ECU correction. |
Use Scenario: Compact angular sensing in space-constrained robotic joint modules requiring end-of-shaft mounting and wide temperature tolerance. IC Role / Device Role / Timing Role: Triaxis® position sensor configured for X/Y axis operation to support direct-on-motor integration with minimal mechanical footprint. Use Value: SOIC-8 package and 70 mT sensitivity allow use with small NdFeB magnets, reducing BOM cost and enabling modular joint design. |
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-BAA-400-RE | SmCo magnet calibration, 50 mT full-scale range, X/Y axis, medium bandwidth | Better suited for end-of-shaft configurations with SmCo magnets and lower field strength requirements | Select when using SmCo magnets and prioritizing lower sensitivity drift (350 ppm/°C vs. 1100 ppm/°C for NdFeB) |
| MLX90380LGO-BAB-200-RE | TSSOP-16 dual-die redundant architecture, same BAB-200 programming, higher ESD rating (1.5 kV CDM) | Required for ASIL-D functional safety systems needing hardware redundancy and fault detection | Choose for automotive safety-critical applications where dual-die redundancy and enhanced EMC robustness are mandatory |
Compared with MLX90380LDC-BAB-200-RE, the BAA-400 offers lower TCS for SmCo systems but reduced field range, while the LGO-BAB-200 adds hardware redundancy at the cost of larger footprint and higher cost-neither is pin-compatible, and both require PCB redesign.
Availability
MLX90380LDC-BAB-200-RE is available at Aetrix Electronics and suitable for brushless motor control, electric power steering, and industrial servo applications requiring stable component supply across automotive and industrial temperature ranges.
Supply support for MLX90380LDC-BAB-200-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 leadership in magnetic sensing and embedded signal processing.
The MLX90380 product line delivers contactless absolute angular position sensing using Triaxis® Hall technology, designed specifically for high-reliability motor control, steering, and robotics applications demanding extended temperature operation and analog resolver replacement.
FAQ
What is the magnetic axis configuration of MLX90380LDC-BAB-200-RE?
The MLX90380LDC-BAB-200-RE is factory-programmed for X/Z magnetic axis orientation, meaning OUT1 responds to the X-component and OUT2 to the Z-component of the applied magnetic field. This configuration supports through-shaft motor topologies with off-axis two-pole magnets and enables accurate angular position extraction in applications where the magnet rotates perpendicular to the IC surface.
How does the -200 option code define the MLX90380LDC-BAB-200-RE's sensitivity and bandwidth?
The -200 suffix indicates 70 mT full-scale magnetic range ('2' = 70 mT) and high-bandwidth operation ('0' = 3.3 V supply, '0' = high BW). This means MLX90380LDC-BAB-200-RE operates from 3.3 V, delivers 4 µs output updates, and achieves <12 µs tracking delay-optimized for fast-response motor control loops up to 25,000 rpm.
Can MLX90380LDC-BAB-200-RE operate from both 3.3 V and 5 V supplies simultaneously?
No. MLX90380LDC-BAB-200-RE requires either VDD3V3 or VDD5V to be powered-not both. When using 3.3 V, VDD5V must be left floating; when using 5 V, VDD3V3 must be left floating. This isolation prevents supply contention and ensures correct internal biasing per the selected voltage mode.
What is the significance of the BAB prefix in MLX90380LDC-BAB-200-RE?
The BAB prefix identifies MLX90380LDC-BAB-200-RE as calibrated for NdFeB (Neodymium Iron Boron) permanent magnets. This includes factory-programmed sensitivity temperature coefficient (1100 ppm/°C) and offset drift characteristics matched to NdFeB's magnetic field degradation profile over temperature, ensuring optimal accuracy across -40°C to 150°C.
Does MLX90380LDC-BAB-200-RE require external programming after soldering?
No. MLX90380LDC-BAB-200-RE is delivered fully programmed with X/Z axis, 70 mT range, high-bandwidth mode, and NdFeB calibration. Programming through the connector is optional and only needed for post-deployment reconfiguration-standard operation requires no external programming circuitry or firmware interaction.
MLX90380LDC-BAB-200-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-200-RE FAQ
1.How can I place an order for MLX90380LDC-BAB-200-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90380LDC-BAB-200-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-200-RE reliable?
The price and inventory of MLX90380LDC-BAB-200-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-200-RE is usually 5 days.
3.What payment methods are accepted for MLX90380LDC-BAB-200-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90380LDC-BAB-200-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90380LDC-BAB-200-RE?
MLX90380LDC-BAB-200-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90380LDC-BAB-200-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-200-RE?
For technical support, including MLX90380LDC-BAB-200-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90380LDC-BAB-200-RE requirements.
6.How does Aetrix verify that MLX90380LDC-BAB-200-RE is sourced from the original manufacturer or authorized distributors?
All MLX90380LDC-BAB-200-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-200-RE meets industry standards.
7.What is the process for return or replacement of MLX90380LDC-BAB-200-RE?
All MLX90380LDC-BAB-200-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90380LDC-BAB-200-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-200-RE part is unused and in its original packaging.
Return procedure for MLX90380LDC-BAB-200-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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