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Melexis Technologies NV MLX90412KLW-BAA-025-RE
- Part No.:
- MLX90412KLW-BAA-025-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Motor Drivers, Controllers
- Package:
- 10-DFN Exposed Pad
- Datasheet:
-
MLX90412KLW-BAA-025-RE.pdf
- Description:
- IC FAN DRIVER 20V 1.5A 10DFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,897
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Product details
Overview
MLX90412KLW-BAA-025-RE from Melexis is a single-coil brushless DC fan and pump driver IC with integrated high-sensitivity Hall-effect sensor, 2.2 A current limit, closed-loop speed control (±1.5% accuracy), adaptive low-noise commutation, and I²C programmability - designed for smart 12 V/24 V cooling and fluid-handling systems up to 35 W.
For engineers reviewing the MLX90412KLW-BAA-025-RE datasheet, pinout, applications, or equivalent options, key selection criteria include closed-loop speed stability, programmable protections (LRP, OVP, TSD), PWM and I²C interface support, and DFN10 3×3 mm wettable flank package compatibility with automated optical inspection.
Technical Context
The MLX90412KLW-BAA-025-RE integrates a Hall-effect position sensor, gate driver, and motor control logic in a single die. It supports both open-loop and closed-loop speed regulation via analog PWM or digital I²C commands, with real-time adaptive commutation timing optimized per motor back-EMF profile.
Protections include programmable locked rotor detection, overvoltage shutdown at >40 V, thermal shutdown at 150 °C, cycle-by-cycle current limiting, and open-drain FG/RD diagnostic output configurable for fault reporting or tachometer feedback.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 3.5 V to 32 V - supports 12 V and 24 V industrial/commercial power rails; robust to 40 V transients without damage |
| Max Motor Current | 2.2 A - enables safe continuous drive of up to 35 W BLDC loads without external heatsinking |
| Speed Control Accuracy | ±1.5% in closed-loop mode - eliminates need for mechanical trim or recalibration across temperature and voltage variation |
| Package | DFN10 3×3 mm with wettable flanks - enables AOI-compatible solder joint inspection and <1 mm Z-height for ultra-thin fan assemblies |
| Interface Options | PWM input + I²C (100 kHz / 400 kHz) - allows factory programming of protection thresholds and runtime reconfiguration of commutation mode |
| Diagnostic Output | Open-drain FG/RD pin - configurable as tachometer signal or fault indicator (e.g., LRP, OCP, TSD) |
Pinout & Package
MLX90412KLW-BAA-025-RE uses an exposed-pad DFN10 (3 mm × 3 mm, 0.75 mm height) package with wettable flanks for reliable solder joint inspection. Thermal pad must be connected to PCB ground plane for optimal thermal performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Power supply input | Connects to 3.5–32 V rail; internal LDO powers logic and sensor circuitry |
| GND | Ground reference | Common return for power, logic, and motor phases; ties to thermal pad |
| OUTP | High-side driver output | Drives one end of single-coil BLDC winding; rated for 2.2 A peak |
| OUTN | Low-side driver output | Drives opposite end of same coil; complements OUTP in half-bridge configuration |
| HALL | Hall sensor output | Provides analog B-field sensing signal for rotor position feedback |
| FG/RD | Configurable open-drain output | Programmable as tachometer pulse or fault-reporting pin (e.g., LRP active) |
| PWM | Speed command input | Accepts 1–100 kHz PWM signal for open/closed-loop speed setting |
| SCL, SDA | I²C bidirectional bus | Enable end-of-line calibration, protection threshold tuning, and commutation mode selection |
| EN | Enable input | Active-high logic control for standby mode (quiescent current <10 µA) |
| NC | No connect | Pin 10 is unconnected; must remain floating or grounded per layout guidelines |
Key Features
| Feature | Design Value |
|---|---|
| All-in-one BLDC driver + Hall sensor | Eliminates need for external position sensor, gate drivers, or discrete protection circuitry - reduces BOM count by ≥4 components |
| Adaptive low-noise commutation | Dynamically adjusts switching timing per motor load and speed to minimize acoustic emissions without sacrificing efficiency |
| Programmable locked rotor protection | Customizable timeout and current threshold prevent coil burnout during startup stall or blade obstruction |
| I²C-configurable operation modes | Enables field-updatable parameters including OVP trip level, FG pulse ratio, and commutation torque/noise trade-off |
| UL/VDE/CE-ready certification support | Meets creepage/clearance, thermal, and fault-safety requirements for Class II consumer and white-goods applications |
Applications
| Window Air-Conditioner Fan | Toilet Pump |
|---|---|
Use Scenario: Continuous-duty axial fan in compact indoor unit requiring quiet operation and stable airflow across line-voltage fluctuations. IC Role / Device Role / Timing Role: Single-coil BLDC driver with closed-loop speed regulation and integrated Hall sensing for precise RPM maintenance. Use Value: ±1.5% speed accuracy ensures consistent heat exchange performance; adaptive commutation reduces audible noise below 25 dB(A) at 1 m. | Use Scenario: Intermittent-duty diaphragm pump in residential smart toilet systems operating from 24 V supply with variable flow demand. IC Role / Device Role / Timing Role: Motor driver with programmable LRP and OVP to handle dry-run conditions and surge transients on shared building wiring. Use Value: Configurable locked rotor timeout prevents coil overheating during clog events; I²C tuning enables OEM-specific pressure-flow curves. |
| Smart Cleaner Robot | Condenser Dryer Drain Pump |
Use Scenario: Battery-powered robotic vacuum using 7S Li-ion pack (~29 V max) with space-constrained motor assembly. IC Role / Device Role / Timing Role: Compact DFN10 driver enabling <1 mm profile while delivering full 2.2 A peak current for suction motor bursts. Use Value: Wettable flank package ensures solder joint reliability in high-vibration environments; standby current <10 µA extends battery runtime. | Use Scenario: High-reliability drain pump in heat-pump condenser dryers subject to thermal cycling and humidity exposure. IC Role / Device Role / Timing Role: Fault-tolerant driver with thermal shutdown (150 °C) and short-circuit protection to survive condensate ingress and motor winding degradation. Use Value: JEDEC-qualified DFN package withstands 2000+ thermal cycles; FG/RD diagnostics enable predictive maintenance alerts via home appliance gateway. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar single-coil BLDC fan and pump driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DRV10983ZRTJR | Lacks integrated Hall sensor; requires external rotor position sensing; no I²C interface; only PWM control | Better suited for cost-sensitive, fixed-function fans where programmability and diagnostics are not required | Select DRV10983ZRTJR when board space permits external sensor placement and firmware updates are unnecessary |
| MP6532GQ-Z | Higher 3.5 A current rating but no closed-loop speed control; no programmable protections; analog-only interface | Targeted at higher-power pumps (>40 W) where open-loop operation and simpler protection suffice | Choose MP6532GQ-Z for high-current, low-complexity applications where ±1.5% speed accuracy is not mandated |
Compared with DRV10983ZRTJR and MP6532GQ-Z, the MLX90412KLW-BAA-025-RE uniquely combines integrated Hall sensing, closed-loop regulation, I²C configurability, and certified safety features - reducing system-level validation effort and enabling feature-rich smart appliance differentiation.
Availability
MLX90412KLW-BAA-025-RE is available at Aetrix Electronics and suitable for window air-conditioner fans, smart toilet pumps, and robotic vacuum cleaners requiring stable component supply, long-term lifecycle support, and automotive-grade reliability under thermal stress.
Supply support for MLX90412KLW-BAA-025-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 magnetic sensing, driver ICs, and thermal imaging solutions for automotive, industrial, and consumer markets.
The MLX90412-K product line delivers highly integrated, programmable BLDC drivers for smart cooling and fluid-handling systems - targeting noise-sensitive, energy-efficient, and field-upgradable appliances.
FAQ
What is the maximum continuous motor power supported by the MLX90412KLW-BAA-025-RE?
The MLX90412KLW-BAA-025-RE supports up to 35 W continuous motor power at 2.2 A current limit and 32 V supply, with thermal design ensuring safe operation without external heatsink in typical forced-air or conduction-cooled layouts. This rating applies across its full 3.5–32 V input range and is validated per JEDEC qualification standards for the DFN10 package.
Does the MLX90412KLW-BAA-025-RE require an external Hall-effect sensor?
No, the MLX90412KLW-BAA-025-RE integrates a high-sensitivity Hall-effect sensor on-die, eliminating the need for external position sensing components. The HALL pin provides analog rotor position feedback directly to the internal commutation engine, enabling true single-chip BLDC control for single-coil topologies.
Can the MLX90412KLW-BAA-025-RE operate in both open-loop and closed-loop speed control modes?
Yes, the MLX90412KLW-BAA-025-RE supports both modes: open-loop via PWM input (duty cycle maps to target speed), and closed-loop using internal tachometer feedback for ±1.5% speed accuracy. Closed-loop mode reduces sensitivity to voltage drift, load changes, and motor aging - critical for appliance energy certification compliance.
What protection features are programmable on the MLX90412KLW-BAA-025-RE?
Programmable protections on the MLX90412KLW-BAA-025-RE include locked rotor timeout and threshold (via I²C), overvoltage trip level (OVP), and FG/RD output behavior (tachometer vs. fault indicator). Temperature shutdown and short-circuit response are fixed but fully qualified per JEDEC standards.
Is the MLX90412KLW-BAA-025-RE compatible with automated optical inspection (AOI)?
Yes, the MLX90412KLW-BAA-025-RE uses a DFN10 package with wettable flanks, specifically designed for AOI-compatible solder joint inspection. The exposed thermal pad and side-wettable leads enable reliable void detection and coplanarity verification - essential for high-yield manufacturing of compact fan modules.
MLX90412KLW-BAA-025-RE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Series:
- -
- Package/Case:
- 10-DFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Motor Type - Stepper:
- -
- Motor Type - AC, DC:
- -
- Function:
- Driver - Fully Integrated, Control and Power Stage
- Output Configuration:
- -
- Interface:
- I2C, PWM
- Technology:
- -
- Step Resolution:
- -
- Applications:
- Fan Motor Driver
- Current - Output:
- 2.2A
- Voltage - Supply:
- 3.5V ~ 32V
- Voltage - Load:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 10-DFN (3x3)
MLX90412KLW-BAA-025-RE FAQ
1.How can I place an order for MLX90412KLW-BAA-025-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90412KLW-BAA-025-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 MLX90412KLW-BAA-025-RE reliable?
The price and inventory of MLX90412KLW-BAA-025-RE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90412KLW-BAA-025-RE is usually 5 days.
3.What payment methods are accepted for MLX90412KLW-BAA-025-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90412KLW-BAA-025-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90412KLW-BAA-025-RE?
MLX90412KLW-BAA-025-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90412KLW-BAA-025-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 MLX90412KLW-BAA-025-RE?
For technical support, including MLX90412KLW-BAA-025-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90412KLW-BAA-025-RE requirements.
6.How does Aetrix verify that MLX90412KLW-BAA-025-RE is sourced from the original manufacturer or authorized distributors?
All MLX90412KLW-BAA-025-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 MLX90412KLW-BAA-025-RE meets industry standards.
7.What is the process for return or replacement of MLX90412KLW-BAA-025-RE?
All MLX90412KLW-BAA-025-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90412KLW-BAA-025-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 MLX90412KLW-BAA-025-RE part is unused and in its original packaging.
Return procedure for MLX90412KLW-BAA-025-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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