DRV10866DSC Texas Instruments Integrated Circuit (Small Outline No-lead) In Stock
Three-phase sensorless brushless DC motor controller with integrated gate drivers and 180-degree sinusoidal commutation. Supports motor supply voltages from 1.5 V to 7 V. From $0.89 in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline No-lead
- Pin Count
- 11
- Lifecycle
- OBSOLETE
- Datasheet
- DRV10866DSC Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Integrated 3-phase sensorless BLDC motor driver with 180-degree sinusoidal commutation for low-noise operation
- Wide supply voltage range from 1.5 V to 7 V enables battery-powered and USB-powered applications
- Speed control via analog input or PWM signal with programmable speed profile for smooth motor startup
Applications
The DRV10866DSC is designed for compact, low-noise fan and pump applications requiring quiet motor operation. Its 180-degree sinusoidal drive and integrated gate drivers make it ideal for cooling fans in laptops, home appliances, and IoT devices. The wide 1.5 V to 7 V supply range supports battery-operated and 5 V USB-bus-powered systems.
Specifications
| YTEOL | 0 |
| Analog IC - Other Type | 3-PHASE BRUSHLESS DC MOTOR CONTROLLER |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for DRV10866DSC:
Texas Instruments 0.85A, PDSO10
Frequently Asked Questions
What supply voltage range does the DRV10866DSC support for BLDC motor control?
The DRV10866DSC operates from a motor supply voltage of 1.5 V to 7 V, making it suitable for single-cell Li-ion battery systems, 3.3 V, and 5 V USB bus-powered applications. Its wide input range covers most low-voltage fan and pump designs without additional regulation.
How does DRV10866DSC reduce acoustic noise compared to trapezoidal motor drivers?
The DRV10866DSC uses 180-degree sinusoidal commutation, which distributes the drive current smoothly across all 3 phases rather than switching abruptly. This technique significantly reduces torque ripple and audible noise compared to 6-step trapezoidal controllers, making it well-suited for quiet fan applications below 7 V.
Which package does DRV10866DSC use and how many pins does it have?
The DRV10866DSC is housed in a 10-pin Small Outline No-lead (WSON) package with a compact footprint that saves PCB space. The 10-pin layout integrates all gate-drive and control functions, eliminating the need for external gate resistors or a separate controller IC.
Can DRV10866DSC accept a PWM signal for speed control in a fan application?
Yes, the DRV10866DSC accepts an external PWM or analog voltage signal on its speed-control input to set the target motor speed. The device internally generates a 3-phase sinusoidal output across the full 0 to 100% duty-cycle range, enabling smooth speed adjustment from near-zero RPM up to the motor maximum.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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