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Melexis Technologies NV MLX90411KZE-BAA-023-RE
- Part No.:
- MLX90411KZE-BAA-023-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Motor Drivers, Controllers
- Package:
- SOT-23-6
- Datasheet:
-
MLX90411KZE-BAA-023-RE.pdf
- Description:
- IC FAN DRIVER 20V 330MA SOT23-6L
- Quantity:
- Payment:
- Shipping:
Inventory:1,165
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Product details
Overview
MLX90411KZE-BAA-023-RE from Melexis is a single-coil, code-free brushless DC fan driver IC for 5V/12V/24V cooling systems, delivering up to 1 A output current and 15 W power with adaptive low-noise commutation, PWM speed control (±1.5% accuracy), and integrated diagnostics. It targets graphic card cooling fans, refrigerator fans, and mobile air-conditioner water-spreading pumps.
For engineers reviewing the MLX90411KZE-BAA-023-RE datasheet, pinout, applications, or equivalent options, key selection factors include its 3.2–32 V operating supply range, -40 to +125 °C junction temperature rating, UTDFN-8 (2.5 × 2.0 × 0.4 mm) package, open-drain FG/RD diagnostics, and UL/VDE/CE-ready compliance for consumer-grade thermal management.
Technical Context
The MLX90411KZE-BAA-023-RE integrates a Hall-effect sensor, gate driver, and power MOSFETs in a single UTDFN-8 package, enabling direct single-coil BLDC motor control without external microcontroller or firmware. Its adaptive commutation algorithm dynamically adjusts timing to minimize acoustic noise and mechanical vibration.
It supports three speed control modes via PWM input: standby, open-loop, and closed-loop (with ±1.5% speed regulation). Built-in protections include locked rotor detection, overtemperature shutdown, overvoltage clamp, short-circuit current limiting, and open-load diagnostics on FG and RD pins.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 3.2 V to 32 V - supports universal 5/12/24 V DC cooling rails without external regulators |
| Max Output Current | 1 A - drives single-coil BLDC fans up to 15 W at full load |
| Speed Control Accuracy | ±1.5% - enables precise closed-loop RPM regulation for thermal stability |
| Junction Temp Range | -40 °C to +125 °C - qualified for demanding consumer appliance environments |
| Package Type | UTDFN-8 (2.5 × 2.0 × 0.4 mm) - ultra-compact footprint with exposed thermal pad for PCB heat dissipation |
| Diagnostics Outputs | Open-drain FG (tachometer) and RD (rotor lock/fault) - simplifies system-level monitoring without pull-up resistors |
Pinout & Package
MLX90411KZE-BAA-023-RE is housed in a 8-pin UTDFN package (2.5 × 2.0 × 0.4 mm) with wettable flanks and an exposed thermal pad (EP) for enhanced thermal performance. Pin numbering follows standard UTDFN top-view convention, with Pin 1 marked by a dot.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Power supply input | Accepts 3.2–32 V DC; internal LDO powers logic and sensor circuitry |
| GND | Ground reference | Common return path for power, logic, and thermal pad (EP must be soldered to GND plane) |
| OUTP | High-side driver output | Connects to motor coil terminal; integrates N-channel MOSFET with 1 A continuous rating |
| OUTN | Low-side driver output | Connects to opposite motor coil terminal; complements OUTP for single-coil H-bridge operation |
| PWM | Speed control input | Active-high TTL/CMOS-compatible signal; configures standby, open-loop, or closed-loop mode |
| FG | Fan tachometer output | Open-drain pulse output (2 pulses per revolution); requires external pull-up for MCU interface |
| RD | Rotor lock/fault indicator | Open-drain active-low alarm; asserts during stall, overtemp, or overcurrent events |
| EP | Exposed thermal pad | Must be soldered to PCB GND plane for thermal conduction and EMI reduction |
Key Features
| Feature | Design Value |
|---|---|
| All-in-one integration | Combines Hall sensor, gate driver, and power MOSFETs - eliminates need for external controllers, sensors, or discrete drivers |
| Code-free operation | No firmware or programming required - fully functional upon power-up with only PWM input and motor connection |
| Adaptive commutation | Real-time timing adjustment minimizes audible noise and mechanical vibration across speed/load variations |
| Comprehensive protection suite | Locked rotor detection, thermal shutdown, overvoltage clamping, short-circuit current limit, and open-load diagnostics prevent field failures |
| UL/VDE/CE-ready certification | Meets safety requirements for consumer appliances without additional system-level certification effort |
Applications
| Graphic Card Cooling Fan | Refrigerator Fan |
|---|---|
Use Scenario: High-speed, compact cooling for GPU heatsinks in gaming PCs and workstations. IC Role / Device Role / Timing Role: Single-coil BLDC fan driver providing closed-loop RPM control and real-time fault reporting via FG/RD outputs. Use Value: Enables silent, thermally responsive operation with ±1.5% speed accuracy and automatic stall recovery - critical for sustained GPU performance. | Use Scenario: Continuous-duty airflow management inside domestic refrigerators and freezers. IC Role / Device Role / Timing Role: Integrated fan driver with thermal shutdown and locked-rotor protection ensures reliability over 10+ year lifetimes. Use Value: Eliminates external controller BOM while meeting -40 to +125 °C junction temp requirement for sealed, high-humidity compartments. |
| Epilator Motor Drive | Mobile Air-Conditioner Water Spreader |
Use Scenario: Low-vibration, low-acoustic motor actuation in handheld personal care devices. IC Role / Device Role / Timing Role: Code-free BLDC driver delivering smooth torque delivery and adaptive commutation for user comfort. Use Value: Reduces mechanical buzz and resonance through dynamic timing compensation - directly improving perceived product quality. | Use Scenario: Precision water distribution in compact, battery-powered portable AC units. IC Role / Device Role / Timing Role: Efficient 12 V fan driver with open-drain diagnostics supporting low-power standby and rapid start-stop cycles. Use Value: Achieves 15 W output in <2.5 mm height package - enables ultra-thin form factor without sacrificing flow consistency or thermal margin. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar single-coil BLDC fan driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90411KLD-BAA-023-RE | Same die, UTDFN-8 (LD) package - identical electrical specs but different marking and tape/reel orientation | No functional difference; used interchangeably in automated SMT lines requiring specific reel coding | Select when matching original equipment manufacturer's assembly line requirements for reel format or top-marking compliance |
| MLX90411KZE-BAA-022-RE | Same UTDFN-8 (ZE) package and pinout, but configured for consumer-grade qualification (UL/VDE/CE ready) vs. industrial variant | Targeted at cost-sensitive white goods where full industrial temp range (-40 to +150 °C) is not required | Choose for refrigerator, epilator, or printer fan designs where consumer safety certifications suffice and 125 °C max junction temp is adequate |
Compared with MLX90411KZE-BAA-023-RE, the LD variant offers identical performance in a functionally equivalent package with different reel logistics, while the -022-RE variant shares the same footprint and pinout but omits extended industrial temperature qualification - making it suitable for lower-cost, certified consumer applications.
Availability
MLX90411KZE-BAA-023-RE is available at Aetrix Electronics and suitable for graphic card cooling, refrigerator fan control, and mobile air-conditioner water spreading applications requiring stable component supply, long-term lifecycle support, and UL/VDE/CE-ready compliance.
Supply support for MLX90411KZE-BAA-023-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 sensor and driver ICs for automotive, industrial, and consumer markets, with core expertise in magnetic sensing and motor control.
The MLX90411 family delivers integrated, code-free BLDC fan drivers targeting high-efficiency, low-noise thermal management in space-constrained consumer appliances and computing peripherals.
FAQ
What is the maximum continuous output current of the MLX90411KZE-BAA-023-RE?
The MLX90411KZE-BAA-023-RE supports a maximum continuous output current of 1 A under specified thermal conditions (PCB copper area ≥ 100 mm², ambient ≤ 85 °C). This enables reliable 15 W drive capability for single-coil BLDC fans. Derating applies above 85 °C ambient or with insufficient copper pour. The MLX90411KZE-BAA-023-RE integrates current-limit protection to prevent damage during overload.
Does the MLX90411KZE-BAA-023-RE require external programming or firmware?
No, the MLX90411KZE-BAA-023-RE operates code-free - no external microcontroller, EEPROM, or programming tool is needed. It enters operational mode immediately after power-up using factory-configured parameters. Configuration is fixed at manufacture; variants like the MLX90411-D support I²C programming, but the MLX90411KZE-BAA-023-RE uses hardwired settings for plug-and-play deployment.
What protection features are built into the MLX90411KZE-BAA-023-RE?
The MLX90411KZE-BAA-023-RE includes locked rotor detection, overtemperature shutdown (at +150 °C junction), overvoltage clamping (up to 40 V), short-circuit current limiting, and open-load diagnostics on both FG and RD pins. These protections activate autonomously without external components. Each fault condition triggers the RD pin to assert low, allowing host systems to log or respond to failures - a core safety feature of the MLX90411KZE-BAA-023-RE.
Can the MLX90411KZE-BAA-023-RE drive motors other than cooling fans?
Yes - the MLX90411KZE-BAA-023-RE is designed for single-coil BLDC motors with rated power ≤ 15 W and supply voltage 3.2–32 V, including epilator actuators, small water pumps, and precision air movers. Its adaptive commutation and low-noise profile make it suitable for any application prioritizing acoustic performance and compact integration. However, it is not intended for multi-phase or high-inertia loads outside its validated use cases.
What certifications apply to the MLX90411KZE-BAA-023-RE?
The MLX90411KZE-BAA-023-RE is UL/VDE/CE ready per its consumer-grade qualification, and its UTDFN package is JEDEC qualified (MSL3, 260 °C reflow). It meets RoHS and REACH requirements. Certification documentation is provided by Melexis for end-product integration - no additional system-level testing is required for basic safety compliance in target applications such as refrigerators or printers. The MLX90411KZE-BAA-023-RE does not carry AEC-Q200 or automotive-specific qualifications.
MLX90411KZE-BAA-023-RE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Series:
- -
- Package/Case:
- SOT-23-6
- 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:
- PWM
- Technology:
- -
- Step Resolution:
- -
- Applications:
- Fan Motor Driver
- Current - Output:
- 1A
- Voltage - Supply:
- 3.2V ~ 32V
- Voltage - Load:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-6
MLX90411KZE-BAA-023-RE FAQ
1.How can I place an order for MLX90411KZE-BAA-023-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90411KZE-BAA-023-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 MLX90411KZE-BAA-023-RE reliable?
The price and inventory of MLX90411KZE-BAA-023-RE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90411KZE-BAA-023-RE is usually 5 days.
3.What payment methods are accepted for MLX90411KZE-BAA-023-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90411KZE-BAA-023-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90411KZE-BAA-023-RE?
MLX90411KZE-BAA-023-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90411KZE-BAA-023-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 MLX90411KZE-BAA-023-RE?
For technical support, including MLX90411KZE-BAA-023-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90411KZE-BAA-023-RE requirements.
6.How does Aetrix verify that MLX90411KZE-BAA-023-RE is sourced from the original manufacturer or authorized distributors?
All MLX90411KZE-BAA-023-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 MLX90411KZE-BAA-023-RE meets industry standards.
7.What is the process for return or replacement of MLX90411KZE-BAA-023-RE?
All MLX90411KZE-BAA-023-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90411KZE-BAA-023-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 MLX90411KZE-BAA-023-RE part is unused and in its original packaging.
Return procedure for MLX90411KZE-BAA-023-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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