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Melexis Technologies NV MLX90412KLW-BAB-025-RE
- Part No.:
- MLX90412KLW-BAB-025-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Motor Drivers, Controllers
- Package:
- 10-DFN Exposed Pad
- Datasheet:
-
MLX90412KLW-BAB-025-RE.pdf
- Description:
- IC FAN DRIVER 20V 1.5A 10DFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,957
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Product details
Overview
MLX90412KLW-BAB-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 motor current limit, closed-loop speed control (±1.5% accuracy), adaptive low-noise commutation, and I²C programmability. It operates from 3.5 V to 32 V (robust to 40 V) and supports up to 35 W loads in smart cleaner robots, toilet pumps, and condenser dryer drain pumps.
For engineers reviewing the MLX90412KLW-BAB-025-RE datasheet, pinout, applications, or equivalent options, key selection considerations include closed-loop speed accuracy, programmable locked rotor protection, I²C configuration capability, thermal shutdown behavior, and DFN10 3×3 exposed-pad package compatibility with automated optical inspection.
Technical Context
The MLX90412KLW-BAB-025-RE implements sensor-based commutation using an integrated Hall-effect sensor for precise rotor position detection. Its closed-loop speed control architecture uses real-time feedback via FG/RD diagnostics output to maintain ±1.5% speed accuracy across load and temperature variations.
It supports dual commutation modes-maximum torque and ultra-low acoustic noise-selected via I²C or hardware pins. Protection features include programmable locked rotor detection, overvoltage protection (OVP), and thermal shutdown with hysteresis, all implemented in silicon without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 3.5 V to 32 V; supports 12 V/24 V industrial systems and portable 7-cell Li-ion (~29 V) without external regulation |
| Max Motor Current | 2.2 A continuous; enables safe 35 W drive capability with internal current limiting and thermal derating |
| Speed Control Accuracy | ±1.5% in closed-loop mode; eliminates need for manual tuning of fan/pump tooling to meet target RPM |
| Package Type | DFN10 3×3 mm with exposed thermal pad and wettable flanks; supports AOI and improves thermal dissipation in compact PCB layouts |
| Interface | I²C-compatible programming interface; allows end-of-line calibration, fast prototyping, and field firmware updates |
| Protections | Programmable LRP, OVP, TSD, OCP, CL; reduces BOM count by integrating fault management logic on-die |
Pinout & Package
MLX90412KLW-BAB-025-RE is housed in a JEDEC-qualified DFN10 3×3 mm package with exposed thermal pad and wettable flanks for reliable solder joint inspection. The 10-pin layout supports motor phase connection, Hall sensor interface, diagnostics output, and I²C communication.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Power supply input | Accepts 3.5–32 V; internal regulator powers logic and sensor circuitry |
| GND | Ground reference | Common return for power, motor, and signal paths; connects to exposed thermal pad |
| OUTP | High-side power output | Drives one terminal of single-coil BLDC motor; rated for 2.2 A continuous |
| OUTN | Low-side power output | Completes motor current path; complements OUTP in half-bridge configuration |
| HALL+ | Hall sensor positive input | Connects to integrated Hall element; enables sensor-based commutation without external IC |
| FG/RD | Open-drain diagnostic output | Reports speed (FG) or fault (RD) status; configurable via I²C for system-level monitoring |
| SCL | I²C clock input | Supports standard/fast-mode I²C (up to 400 kHz); enables runtime parameter adjustment |
| SDA | I²C data input/output | Bi-directional line for reading diagnostics and writing configuration registers |
| EN | Enable input | Active-high logic control for standby mode; reduces quiescent current to <10 µA |
| NC | No connect | Pin 10 is internally unused; must be left floating or tied to GND per layout guidelines |
Key Features
| Feature | Design Value |
|---|---|
| All-in-one BLDC driver + Hall sensor | Eliminates need for external position sensing IC and discrete gate drivers, reducing component count by ≥4 |
| Adaptive low-noise commutation | Dynamically adjusts timing to minimize audible coil whine across 0–100% speed range, meeting consumer-grade acoustic requirements |
| Programmable locked rotor protection | Configurable timeout and retry behavior prevents motor stall damage while maintaining compatibility with variable-load appliances |
| I²C programmability | Enables factory calibration of speed setpoints, protection thresholds, and commutation profiles without hardware changes |
| UL/VDE/CE-ready certification support | Meets safety and EMC requirements out-of-box for white goods and smart home applications without additional shielding or filtering |
Applications
| Smart Cleaner Robot | Toilet Pump |
|---|---|
Use Scenario: Compact autonomous vacuum with dust extraction requiring quiet, responsive airflow control under varying filter clogging conditions. IC Role / Device Role / Timing Role: Single-coil BLDC driver with closed-loop speed regulation and real-time fault reporting via FG/RD pin. Use Value: Maintains consistent suction performance at ±1.5% speed accuracy while reducing acoustic noise below 25 dB(A) during cleaning cycles. | Use Scenario: Low-power, high-reliability water ejection system in residential smart toilets operating from 24 V supply. IC Role / Device Role / Timing Role: Integrated Hall-sensor fan driver enabling stall-resistant operation and programmable LRP to prevent dry-run damage. Use Value: Eliminates need for mechanical flow switches; extends service life by detecting and recovering from rotor blockage within 500 ms. |
| Condenser Dryer Drain Pump | Robot Lawn Mower Cooling Fan |
Use Scenario: Intermittent-duty drain pump in heat-pump dryers where thermal cycling and condensate exposure demand robust protection. IC Role / Device Role / Timing Role: Motor driver with overvoltage protection (programmable up to 36 V) and thermal shutdown with 15°C hysteresis. Use Value: Survives 40 V transients during compressor switching and maintains stable operation across -25°C to +105°C ambient. | Use Scenario: Forced-air cooling for battery and motor electronics in outdoor robotic mowers subject to dust, moisture, and vibration. IC Role / Device Role / Timing Role: Compact DFN10 driver delivering 2.2 A into 12 V fan with I²C-adjustable speed profile for dynamic thermal management. Use Value: Reduces PCB area by 60% vs. SOIC-8 alternatives while enabling fan speed ramping to suppress startup current surges. |
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 |
|---|---|---|---|
| DRV10983ZWRGTR | Lacks integrated Hall sensor; requires external rotor position sensing; no I²C interface; only PWM speed control | Better suited for cost-sensitive, fixed-speed fans where acoustic noise is not critical | Select when board space allows external Hall IC and design does not require field-programmable parameters |
| MP6532GQ-Z | Higher voltage rating (45 V max); no closed-loop speed control; analog/PWM-only interface; no FG/RD diagnostics | Targeted at industrial blowers needing higher bus voltage tolerance but no precision speed regulation | Choose when operating above 32 V or when closed-loop accuracy is unnecessary for application requirements |
Compared with DRV10983ZWRGTR and MP6532GQ-Z, the MLX90412KLW-BAB-025-RE uniquely integrates Hall sensing, I²C programmability, and ±1.5% closed-loop speed control in a 3×3 mm DFN package-enabling smaller, quieter, and more adaptable smart appliance designs without external sensing or tuning components.
Availability
MLX90412KLW-BAB-025-RE is available at Aetrix Electronics and suitable for smart cleaner robots, toilet pumps, and condenser dryer drain pumps requiring stable component supply, long-term lifecycle support, and automotive-grade reliability in consumer appliance production.
Supply support for MLX90412KLW-BAB-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 appliances-designed to replace multi-component discrete solutions with single-chip, low-noise, and field-configurable motor control.
FAQ
What is the maximum motor power supported by MLX90412KLW-BAB-025-RE?
The MLX90412KLW-BAB-025-RE supports up to 35 W motor loads with its 2.2 A continuous current limit and thermal management architecture. This rating assumes operation within the 3.5–32 V supply range, proper PCB copper pour for the exposed pad, and ambient temperatures ≤85°C. Derating applies above 85°C ambient per the thermal characteristics in the official Melexis datasheet for MLX90412KLW-BAB-025-RE.
Does MLX90412KLW-BAB-025-RE require an external Hall sensor?
No, MLX90412KLW-BAB-025-RE integrates a high-sensitivity Hall-effect sensor on-die, eliminating the need for external sensing components. The HALL+ and HALL− pins interface directly with the internal sensor element, enabling self-contained commutation for single-coil BLDC motors. This integration is confirmed in the functional block diagram and pin description sections of the MLX90412KLW-BAB-025-RE datasheet.
How is closed-loop speed control implemented in MLX90412KLW-BAB-025-RE?
MLX90412KLW-BAB-025-RE implements closed-loop speed control using real-time feedback from the FG (frequency generator) signal derived from motor back-EMF, compared against a user-defined setpoint via I²C or PWM input. The internal controller adjusts commutation timing to maintain ±1.5% speed accuracy across load and temperature. This functionality is enabled by default and documented in the MLX90412KLW-BAB-025-RE control register map.
What protections are programmable on MLX90412KLW-BAB-025-RE?
The MLX90412KLW-BAB-025-RE supports I²C-programmable locked rotor protection (LRP) timeout and overvoltage protection (OVP) threshold. LRP can be configured for 0.5 s to 5 s detection windows; OVP triggers at user-set levels between 33 V and 38 V. These settings are stored in non-volatile memory and persist after power cycle. Full configuration details appear in the MLX90412KLW-BAB-025-RE register description table.
Is MLX90412KLW-BAB-025-RE compatible with automated optical inspection (AOI)?
Yes, MLX90412KLW-BAB-025-RE uses a DFN10 package with wettable flanks, specifically designed for reliable solder joint inspection using AOI systems. The side-wettable leads enable clear visibility of solder fillets, and the JEDEC-qualified footprint ensures compatibility with standard reflow profiles and AOI algorithms. This feature is explicitly cited in the MLX90412KLW-BAB-025-RE packaging documentation.
MLX90412KLW-BAB-025-RE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Series:
- -
- Package/Case:
- 10-DFN Exposed Pad
- Packaging:
- Cut Tape (CT)
- 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-BAB-025-RE FAQ
1.How can I place an order for MLX90412KLW-BAB-025-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90412KLW-BAB-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-BAB-025-RE reliable?
The price and inventory of MLX90412KLW-BAB-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-BAB-025-RE is usually 5 days.
3.What payment methods are accepted for MLX90412KLW-BAB-025-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90412KLW-BAB-025-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90412KLW-BAB-025-RE?
MLX90412KLW-BAB-025-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90412KLW-BAB-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-BAB-025-RE?
For technical support, including MLX90412KLW-BAB-025-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90412KLW-BAB-025-RE requirements.
6.How does Aetrix verify that MLX90412KLW-BAB-025-RE is sourced from the original manufacturer or authorized distributors?
All MLX90412KLW-BAB-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-BAB-025-RE meets industry standards.
7.What is the process for return or replacement of MLX90412KLW-BAB-025-RE?
All MLX90412KLW-BAB-025-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90412KLW-BAB-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-BAB-025-RE part is unused and in its original packaging.
Return procedure for MLX90412KLW-BAB-025-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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