Silent Revolution for Household Fans & Air Purifiers: These Driver Chips Help You Bid Farewell to Noise Troubles!

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2026.05.20

5 次

PT2515 PT2505 PT2509

Do you hate the buzzing noise of fans in summer and air purifiers in daily use? In fact, the root cause of noise usually lies in the technical details of drive chips.

Today let’s talk about the tailor-made BLDC drive solutions for household fans and air purifiers, and how sine wave control technology delivers softer airflow and quieter operation.

Three Core Solutions, Fully Covering All Household Application Demands

To meet diverse motor requirements of household fans and air purifiers, our drive solutions feature three dedicated chips, achieving full-scenario adaptation for both main drives and auxiliary motors.

✅ PT2515: 12~24V Single-Hall 3-Phase Sine Wave BLDC Driver ICCore Advantages: Adopts 180° sine wave drive to greatly reduce motor torque ripple and operating noise, making it an ideal option for fans and air purifiers pursuing ultra-quiet performance.

Flexible Control: Supports multiple speed regulation modes including VSP, PWM and CLK, as well as open-loop and closed-loop control to match various system design requirements.

Comprehensive Protections: Built-in current limiting, over-current, locked-rotor and over-temperature protection functions. It also supports forward/reverse rotation and brake control, ensuring safety and functional expandability.

Typical Applications: 12~24V brushless motor scenarios such as DC standing fans, main blowers of air purifiers and circulating fans.

✅ PT2505: 3-Phase Hall-Based Sine Wave BLDC Control ICPrecise Drive: Specially designed for Hall-sensor equipped BLDC motors. Sine wave drive enables low-noise and high-efficiency operation with softer airflow.

Multiple Speed Modes: Compatible with voltage speed regulation, PWM duty cycle speed control, frequency speed control and I2C interface control, suitable for various main control systems.

Rich Functions: Embedded 5V LDO power output. The FG speed signal supports multiple frequency division settings to feed back real-time motor speed for system closed-loop control.

Typical Applications: Table fans, wall fans, air purifier blowers and desktop circulating fans.

✅ PT2509: 12~24V 0.3A Synchronous Motor Driver ICDedicated Drive: Optimized for auxiliary synchronous motors used in fan swinging and air damper adjustment. It integrates full-bridge driver and 50Hz PWM waveform generator to directly drive AC synchronous motors.

High Reliability: Built-in over-temperature, short-circuit and under-voltage triple protections to ensure long-term stable operation of auxiliary motors.

Simplified Design: Only one EN control pin is required for driving. With simple peripheral circuits, it effectively cuts down BOM cost and design difficulty.

Typical Applications: Fan swing mechanisms, air damper adjustment of purifiers and small swing wind motors.

Why are these chips the ultimate silent solution for household appliances?”？

Sine Wave Drive, Eliminate Buzzing Noise

Motors driven by traditional square wave generate obvious torque ripple and high-frequency noise. By contrast, PT2515 and PT2505 adopt sine wave control to achieve smooth current variation and nearly eliminate torque fluctuation, cutting operating noise by over 30%. It runs quietly without disturbing sleep even at night.

Full-scenario Compatibility, Covering Main Blowers to Auxiliary Motors

These three chips match different functional modules, ranging from main blowers of air purifiers to swing motors of electric fans. The complete drive solution supports overall product design without extra auxiliary solutions.

High Integration, Streamline Design Process

Embedded with drive circuits, protection modules and speed regulation interfaces, the chips require minimal peripheral circuits. They greatly shorten product development cycles, save PCB layout space and perfectly fit the trend of slim and lightweight product design.

Multiple Protections, Prolong Service Life

Built-in multi-protection functions including over-current, locked-rotor, over-temperature and under-voltage protection effectively prevent motor damage under abnormal working conditions. It ensures long-term stable operation of fans and air purifiers and reduces after-sales maintenance costs.

Silent Magic Chip

From technology to user experience, let every breeze blow quietly and gently.

Whether it is ultra-quiet bedroom fans or air purifiers requiring stable airflow, motor driver chips are crucial to user experience. Centering on user pain points, our three recommended drive solutions adopt mature sine wave control technology, flexible compatibility and high reliability to create quieter, more efficient and hassle-free core drive solutions for household ventilation equipment.

JUNMINTECH

If your products are plagued by excessive fan and air purifier noise, unstable speed regulation and complicated auxiliary motor driving issues, try this BLDC drive solution optimized for household scenarios. Turn technological upgrades into tangible comfortable experiences for end users.