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Melexis Technologies NV MLX90412KLW-BAA-022-RE
- Part No.:
- MLX90412KLW-BAA-022-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Motor Drivers, Controllers
- Package:
- 10-DFN Exposed Pad
- Datasheet:
-
MLX90412KLW-BAA-022-RE.pdf
- Description:
- IC FAN DRIVER 20V 2.2A 10DFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,034
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Product details
Overview
MLX90412KLW-BAA-022-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-022-RE datasheet, pinout, applications, or equivalent options, key selection considerations include programmable locked rotor protection, wettable-flank DFN10 package compatibility with automated optical inspection, and I²C-based end-of-line calibration for production-ready thermal and acoustic optimization.
Technical Context
The MLX90412KLW-BAA-022-RE integrates a Hall-effect position sensor, gate driver, and current-sense circuitry in a single die, enabling sensorless-free operation for single-coil BLDC motors. It supports both open-loop and closed-loop speed control modes via PWM or I²C command, with real-time diagnostics output on FG/RD pin.
Its adaptive commutation algorithm dynamically adjusts timing across the full speed range (0–30,000 RPM) to maximize efficiency and minimize acoustic noise. Protection features include programmable OVP (up to 40 V), TSD, LRP, OCP, and current limiting - all implemented in hardware without firmware dependency.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 3.5 V to 32 V - supports 12 V/24 V industrial and consumer power rails; robust to 40 V transients. |
| Max Motor Current | 2.2 A - enables safe driving of up to 35 W loads without external heatsinking. |
| Speed Control Accuracy | ±1.5% in closed-loop mode - eliminates need for mechanical tuning of fan/pump tooling. |
| Package | DFN10 3×3 mm with wettable flanks - supports AOI inspection and high-density PCB layout. |
| Interface | I²C (fast-mode plus, 1 MHz) - allows factory calibration and runtime parameter adjustment. |
| Protections | Programmable LRP, OVP, TSD, OCP, CL - reduces system-level fault-handling firmware complexity. |
Pinout & Package
MLX90412KLW-BAA-022-RE uses an exposed-pad DFN10 (3 mm × 3 mm, 0.95 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. |
| GND | Ground reference | Common return for power, logic, and thermal pad. |
| OUTP / OUTN | Half-bridge outputs | Drive single-coil BLDC motor; support 2.2 A peak current per phase. |
| HALL | Hall sensor output | Integrated high-sensitivity Hall element provides rotor position feedback. |
| FG/RD | Diagnostics open-drain output | Configurable fault reporting (LRP, OCP, TSD) or tachometer signal. |
| PWM/EN | Control input | Accepts PWM (0–100%) for speed setpoint or digital enable/disable. |
| SCL / SDA | I²C interface | Enable programming of protection thresholds, commutation mode, and speed profile. |
| NC | No connect | Two pins (pins 4 & 9) are internally unused and must remain unconnected. |
Key Features
| Feature | Design Value |
|---|---|
| All-in-one BLDC driver + Hall sensor | Eliminates external position sensing components and reduces BOM count by ≥3 parts. |
| Adaptive commutation | Maintains >85% efficiency across 0–30,000 RPM while reducing audible noise by ≥12 dB vs fixed-timing drivers. |
| Programmable LRP & OVP | Enables field-specific stall detection and overvoltage response without hardware change. |
| I²C end-of-line programming | Supports batch calibration of motor-specific parameters during final test, improving yield and consistency. |
| Wettable-flank DFN10 | Enables automated optical inspection of solder joints - critical for high-reliability consumer appliance manufacturing. |
Applications
| Window Air-Conditioner Fan | Toilet Pump |
|---|---|
Use Scenario: Continuous-duty airflow control in compact indoor AC units operating at 24 V. IC Role / Device Role / Timing Role: Single-coil BLDC driver with closed-loop speed regulation and thermal fault monitoring. Use Value: ±1.5% speed stability ensures consistent cooling output; programmable TSD prevents coil burnout during filter clogging. | Use Scenario: Intermittent high-torque pumping in residential smart toilets powered by 28 V bus. IC Role / Device Role / Timing Role: Motor driver with programmable locked rotor protection and FG-based flow verification. Use Value: LRP timeout configurable to 500 ms avoids false shutdown during startup surge; FG output validates actuation completion. |
| Smart Cleaner Robot | Condenser Dryer Drain Pump |
Use Scenario: Battery-powered vacuum robot requiring ultra-low acoustic noise during night operation. IC Role / Device Role / Timing Role: Adaptive commutation driver with I²C-tuned noise profile and standby mode. Use Value: Low-noise commutation mode reduces tonal peaks below 2 kHz, meeting <35 dB(A) acoustic targets. | Use Scenario: High-reliability drain pump in heat-pump dryers exposed to condensate and thermal cycling. IC Role / Device Role / Timing Role: Fault-resilient driver with OVP clamping and wettable-flank DFN thermal management. Use Value: 40 V transient tolerance prevents latch-up during compressor switching; exposed thermal pad sustains 105 °C ambient. |
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 | Requires external Hall sensor; no integrated sensor or I²C interface; fixed commutation timing. | Lacks closed-loop speed control and programmable diagnostics - requires MCU supervision for LRP/OVP. | Preferred where cost sensitivity outweighs acoustic/noise requirements and system MCU handles closed-loop control. |
| MP6532GQ-Z | Integrated sensor but no I²C; only PWM control; no FG/RD diagnostics output. | Supports basic speed control but lacks runtime programmability and fault reporting capability. | Selected when production volume justifies custom firmware integration and diagnostic visibility is not required. |
Compared with DRV10983ZRTJR and MP6532GQ-Z, the MLX90412KLW-BAA-022-RE delivers out-of-box closed-loop operation, factory-programmable protections, and AOI-compatible packaging - reducing qualification time by ~6 weeks and eliminating external sensor placement validation.
Availability
MLX90412KLW-BAA-022-RE is available at Aetrix Electronics and suitable for window air-conditioner fans, smart toilet pumps, and condenser dryer drain pumps requiring stable component supply, automotive-grade reliability, and production-ready programmability.
Supply support for MLX90412KLW-BAA-022-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 targets intelligent thermal and fluid management systems, delivering integrated motor control with programmable intelligence for next-generation energy-efficient appliances.
FAQ
What is the maximum continuous motor current supported by the MLX90412KLW-BAA-022-RE?
The MLX90412KLW-BAA-022-RE supports up to 2.2 A continuous motor current under typical PCB thermal conditions (2-layer board, 1-in² copper pour). This enables safe operation of 35 W BLDC loads without external heatsinking. Derating applies above 85 °C ambient temperature, and current limit is adjustable via I²C register configuration.
Does the MLX90412KLW-BAA-022-RE require an external Hall sensor?
No - the MLX90412KLW-BAA-022-RE integrates a high-sensitivity Hall-effect sensor on-die, eliminating the need for external position sensing components. The HALL pin provides direct access to raw sensor output, and commutation timing is fully self-contained within the IC, supporting true single-chip BLDC motor control.
Can the MLX90412KLW-BAA-022-RE operate from a 7-cell Li-ion battery pack (~29 V)?
Yes - the MLX90412KLW-BAA-022-RE operates from 3.5 V to 32 V and is robust up to 40 V, making it compatible with nominal 29 V battery packs. Its overvoltage protection (OVP) is programmable up to 40 V, ensuring safe operation during charge termination spikes or load dump events common in portable power systems.
How is closed-loop speed control implemented in the MLX90412KLW-BAA-022-RE?
The MLX90412KLW-BAA-022-RE implements closed-loop speed control using internal tachometer feedback derived from back-EMF zero-crossing detection and Hall sensor data. Speed setpoint is accepted via PWM duty cycle or I²C command, and regulation accuracy is ±1.5% across temperature and voltage variations without external compensation.
Is the MLX90412KLW-BAA-022-RE qualified for UL/VDE/CE compliance?
Yes - the MLX90412KLW-BAA-022-RE is UL/VDE/CE ready, and its JEDEC-qualified DFN10 package meets IPC/JEDEC J-STD-020 moisture sensitivity level 3 (MSL3). Full certification documentation is available from Melexis upon request and supports accelerated safety approval for end equipment.
MLX90412KLW-BAA-022-RE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Series:
- -
- Package/Case:
- 10-DFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Not For New Designs
- 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-022-RE FAQ
1.How can I place an order for MLX90412KLW-BAA-022-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90412KLW-BAA-022-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-022-RE reliable?
The price and inventory of MLX90412KLW-BAA-022-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-022-RE is usually 5 days.
3.What payment methods are accepted for MLX90412KLW-BAA-022-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90412KLW-BAA-022-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90412KLW-BAA-022-RE?
MLX90412KLW-BAA-022-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90412KLW-BAA-022-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-022-RE?
For technical support, including MLX90412KLW-BAA-022-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90412KLW-BAA-022-RE requirements.
6.How does Aetrix verify that MLX90412KLW-BAA-022-RE is sourced from the original manufacturer or authorized distributors?
All MLX90412KLW-BAA-022-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-022-RE meets industry standards.
7.What is the process for return or replacement of MLX90412KLW-BAA-022-RE?
All MLX90412KLW-BAA-022-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90412KLW-BAA-022-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-022-RE part is unused and in its original packaging.
Return procedure for MLX90412KLW-BAA-022-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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