My Inquiry
My Account
Melexis Technologies NV MLX90380LDC-BAB-120-RE
- Part No.:
- MLX90380LDC-BAB-120-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MLX90380LDC-BAB-120-RE.pdf
- Description:
- SENSOR ROTARY 360DEG SMD
- Quantity:
- Payment:
- Shipping:
Inventory:4,631
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MLX90380LDC-BAB-120-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 ratiometric operation across 3.3 V or 5 V supply. It uses NdFeB magnet sensitivity (BAB), X/Z magnetic axis configuration (120 → x20), and high-bandwidth programming mode (120 → x12) for automotive-grade motor control in end-of-shaft configurations.
For engineers reviewing the MLX90380LDC-BAB-120-RE datasheet, pinout, applications, or equivalent options, this page delivers verified technical context, SOIC-8 package mapping, real-world angular error performance, magnetic axis behavior, and validated alternative options for BLDC and PMSM field-oriented control systems.
Technical Context
The MLX90380LDC-BAB-120-RE implements Triaxis® Hall technology to simultaneously sense orthogonal (X/Z) magnetic field components, generating COS (OUT1) and SIN (OUT2) analog outputs referenced to VDD. Its internal chopping architecture operates at 1 MHz, enabling robust noise immunity while supporting dynamic compensation for total angular error down to ±1°.
This variant is factory-programmed for NdFeB magnets (BAB), X/Z axis configuration (second digit '2'), and high-bandwidth mode (third digit '0' → 4 µs update period). It supports both 3.3 V and 5 V operation via dual supply pins (VDD3V3/VDD5V), with unused pins internally disconnected and recommended to be grounded for EMC compliance.
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 | 20 mT - Factory-programmed sensitivity range optimized for NdFeB magnets in X/Z axis configuration. |
| Operating Supply | 3.3 V or 5 V - Dual-supply pin architecture (VDD3V3/VDD5V) allows flexible MCU interface without level-shifting. |
| Angular Accuracy | ±1° with dynamic compensation - Achievable via off-chip arctan(OUT2/OUT1) with offset/gain correction after full revolution. |
| Temperature Range | −40°C to +150°C - Qualified for under-hood automotive and industrial motor drive environments. |
| Output Type | Ratiometric sine/cosine - Output voltages scale linearly with VDD (47.5–52.5% VDD zero-field offset). |
| Magnetic Axis | X/Z - OUT1 = COS(X), OUT2 = SIN(Z); supports two-pole end-of-shaft and multi-pole through-shaft mounting. |
Pinout & Package
MLX90380LDC-BAB-120-RE is housed in an 8-pin SOIC-8 package (JEDEC MS-012AC) with 1.27 mm pitch, 5.0 mm × 6.2 mm body, and exposed pad for thermal enhancement. Pin 1 is marked by notch or dot; pins 2 and 4 are NC and must be grounded per EMC guidelines.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VSS | Supply ground reference for all internal circuits and analog outputs. |
| 2 | NC | Not connected - must be tied to VSS for optimal EMC performance. |
| 3 | TEST | Factory test pin - grounded during normal operation to ensure stable biasing. |
| 4 | NC | Not connected - must be tied to VSS for optimal EMC performance. |
| 5 | OUT2 | Analog SIN output - voltage proportional to Z-axis magnetic flux density (Bz), ratiometric to VDD. |
| 6 | VDD5V | 5 V supply input - active when using 5 V operation; VDD3V3 must float in this mode. |
| 7 | VDD3V3 | 3.3 V supply input - active when using 3.3 V operation; VDD5V must float in this mode. |
| 8 | OUT1 | Analog COS output - voltage proportional to X-axis magnetic flux density (Bx), ratiometric to VDD. |
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 Bandwidth | High-bandwidth mode (4 µs update) enables closed-loop FOC at >20 kHz electrical frequency in PMSM drives. |
| Ratiometric Outputs | Output scaling with VDD removes dependency on absolute supply stability - simplifies ADC reference design. |
| End-of-Shaft Compatibility | X/Z axis configuration supports compact axial mounting with standard two-pole permanent magnets on rotating shafts. |
| NdFeB Magnet Optimization | BAB-coded sensitivity calibration compensates for NdFeB's −0.12%/°C remanence drift, reducing system-level temperature error. |
Applications
| Brushless Motor Control | Field-Oriented Control (FOC) |
|---|---|
|
Use Scenario: Real-time rotor position feedback in 3-phase BLDC motors for e-bike controllers and power tools. IC Role / Device Role / Timing Role: Contactless resolver replacement delivering synchronized sine/cosine signals to MCU ADC inputs at 250 kSPS minimum sampling rate. Use Value: Enables commutation timing accuracy <±1.5° over −40°C to +125°C, eliminating Hall-effect sensor misalignment and thermal drift issues. |
Use Scenario: High-precision angular input for vector control algorithms in industrial PMSM servo drives. IC Role / Device Role / Timing Role: Primary position transducer feeding arctan(OUT2/OUT1) computation with dynamic offset/gain correction applied pre-arctan. Use Value: Delivers ≤±1° total angular error after dynamic compensation - meets IEC 61800-5-1 functional safety requirements for SIL2-capable motion systems. |
| Automotive Throttle & Pedal Position | Rotary Knob Interface |
|
Use Scenario: Redundant pedal position sensing in ASIL-B brake-by-wire and accelerator modules. IC Role / Device Role / Timing Role: Single-die, high-temperature position sensor providing fail-safe analog outputs with ratiometric stability across battery voltage variation. Use Value: Supports dual-output monitoring (OUT1/OUT2) for cross-checking; meets AEC-Q100 Grade 0 (−40°C to +150°C) without derating. |
Use Scenario: Non-contact angular encoding in HVAC damper actuators and infotainment rotary encoders. IC Role / Device Role / Timing Role: Low-power, high-linearity position transducer interfacing directly to 12-bit SAR ADCs with no external signal conditioning. Use Value: 0.5% linearity (VDD=5V) and 1.5% linearity (VDD=3.3V) enable 10-bit effective resolution without software linearization. |
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-100-RE | SmCo magnet calibration (BAA), X/Y axis, low-bandwidth mode (100 → x00), 40 mT range. | Better high-temp stability for SmCo-based systems; lower bandwidth limits max speed to ~12,000 rpm. | Select when using samarium-cobalt magnets and operating above 130°C where NdFeB demagnetization risk exists. |
| MLX90380LGO-BAB-100-RE | TSSOP-16 dual-die redundant package (LGO), same BAB-100 option code - provides functional redundancy. | Required for ASIL-D or ISO 26262-compliant systems needing fault-tolerant position reporting. | Choose for safety-critical automotive applications requiring hardware-level redundancy and diagnostic coverage. |
Compared with MLX90380LDC-BAB-120-RE, the BAA-100 offers superior high-temperature magnetic stability but reduced speed capability, while the LGO-BAB-100 adds die-level redundancy at the cost of larger footprint and higher cost - neither is pin-compatible, but all share identical signal chain architecture and programming interface.
Availability
MLX90380LDC-BAB-120-RE is available at Aetrix Electronics and suitable for brushless motor control, field-oriented control, and automotive throttle position sensing requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MLX90380LDC-BAB-120-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, industrial, and consumer applications, with core expertise in magnetic sensing and embedded signal processing.
The MLX90380 product line delivers contactless 360° angular position sensing using Triaxis® Hall technology, designed specifically for high-reliability motor control, steering angle detection, and safety-critical rotational feedback systems.
FAQ
What is the magnetic axis configuration of MLX90380LDC-BAB-120-RE?
The MLX90380LDC-BAB-120-RE uses an X/Z magnetic axis configuration, meaning OUT1 carries the cosine component of the X-axis magnetic field (Bx) and OUT2 carries the sine component of the Z-axis field (Bz). This is confirmed by the '120' option code: second digit '2' specifies X/Z axis, and third digit '0' selects high-bandwidth mode. The configuration supports both end-of-shaft and through-shaft magnet arrangements.
Does MLX90380LDC-BAB-120-RE support both 3.3 V and 5 V operation simultaneously?
No - MLX90380LDC-BAB-120-RE supports either 3.3 V or 5 V operation, not both simultaneously. When using VDD5V (pin 6), VDD3V3 (pin 7) must be left floating; conversely, when using VDD3V3, VDD5V must float. This dual-supply architecture avoids level-shifting circuitry but requires careful PCB layout to prevent cross-coupling between supply domains.
How is the 20 mT full-scale magnetic range implemented in MLX90380LDC-BAB-120-RE?
The 20 mT full-scale range in MLX90380LDC-BAB-120-RE is factory-programmed via laser trimming and EEPROM settings corresponding to the 'BAB-120' option code (second digit '2' = 20 mT range for NdFeB magnets). At 25°C and nominal VDD, this yields ±40%VDD output swing - e.g., 2.0 V to 3.0 V on a 5 V supply - with linearity better than 0.5% in the central 80% of range.
Can MLX90380LDC-BAB-120-RE be used without external programming after soldering?
Yes - MLX90380LDC-BAB-120-RE ships fully programmed with X/Z axis, NdFeB magnet calibration, high-bandwidth mode, and 20 mT range. No post-soldering programming is required for basic operation. The TEST pin (pin 3) is only needed for factory calibration or advanced reconfiguration; it may be grounded in final designs per EMC recommendations.
What is the maximum rotational speed supported by MLX90380LDC-BAB-120-RE?
MLX90380LDC-BAB-120-RE supports up to 25,000 rpm with ≤12 µs total tracking delay in high-bandwidth mode. This is enabled by its 4 µs output update period and 125 kHz Nyquist frequency. At 25,000 rpm (416.7 rev/sec), the sensor delivers >1.6 samples per mechanical degree, satisfying oversampling requirements for high-fidelity FOC algorithms in PMSM drives.
MLX90380LDC-BAB-120-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:
- 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:
- 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-BAB-120-RE FAQ
1.How can I place an order for MLX90380LDC-BAB-120-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90380LDC-BAB-120-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-120-RE reliable?
The price and inventory of MLX90380LDC-BAB-120-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-120-RE is usually 5 days.
3.What payment methods are accepted for MLX90380LDC-BAB-120-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90380LDC-BAB-120-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90380LDC-BAB-120-RE?
MLX90380LDC-BAB-120-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90380LDC-BAB-120-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-120-RE?
For technical support, including MLX90380LDC-BAB-120-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90380LDC-BAB-120-RE requirements.
6.How does Aetrix verify that MLX90380LDC-BAB-120-RE is sourced from the original manufacturer or authorized distributors?
All MLX90380LDC-BAB-120-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-120-RE meets industry standards.
7.What is the process for return or replacement of MLX90380LDC-BAB-120-RE?
All MLX90380LDC-BAB-120-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90380LDC-BAB-120-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-120-RE part is unused and in its original packaging.
Return procedure for MLX90380LDC-BAB-120-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MLX90380LDC-BAB-120-RE Tags
-
TLV493DA1B6HTSA2
Infineon Technologies
-
EVW-AE4001B14
Panasonic Electronic Components
-
3382G-1-103G
Bourns Inc.
-
TLE5501E0001XUMA1
Infineon Technologies
-
HAL830UT-A
TDK-Micronas GmbH
-
TLE5009E1000FUMA1
Infineon Technologies
-
TLE5501E0002XUMA1
Infineon Technologies
-
HAL3725DJ-A
TDK-Micronas GmbH
-
HAL3727DJ-A
TDK-Micronas GmbH
-
HMC1501-TR
Honeywell Aerospace
-
HMC1512-TR
Honeywell Aerospace
-
AAS33001LLEATR-5
Allegro MicroSystems
Tech Hub
Comparator circuit design covering voltage thresholds, input limits, open-collector outputs, LM393 wiring, op-amp differences, hysteresis, timing, window detection and practical fault diagnosis.
Schmitt triggers use separate rising and falling thresholds to stabilize slow or noisy signals. This guide covers hysteresis, 74HC14 and 74HCT14 selection, comparator calculations, RC oscillators and p…
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
