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ONSEMI LB11685AVTLMH Three-Phase Sensorless Motor Driver

The LB11685AV is a three-phase sensorless full-wave current linear drive motor driver IC, ideal for quiet operations like cooling fans in refrigerators. It features built-in current limiting, voltage control, thermal shutdown, and motor lock protection, ensuring reliable performance in demanding applications. Designed to operate within 4.5V to 18V, it supports up to 12A output current and integrates features like back EMF based FG output and soft switching for reduced noise. Suitable for industrial and appliance motor control, it offers enhanced protection and efficient operation.

Authorized Distributors
Source:Newark
Part No:LB11685AV-TLM-H
Stock:21
Inv Date:06-10-2026
Price: Unit price: $0.79
Buy/RFQ:
Part No:LB11685AV-TLM-H
Stock:625
Inv Date:06-11-2026
Price: Unit price: $2.06
Buy/RFQ:
Part No:LB11685AV-TLM-H
Stock:0
Inv Date:06-11-2026
Price: Unit price: $2.05
Buy/RFQ:

ONSEMI LB11685AVTLMH Three-Phase Sensorless Motor Driver Specifications:

  • Maximum supply voltage: 19 V
  • Input voltage range: -0.3 to 19 V
  • Maximum output current: 12 A
  • Allowable power dissipation: 1.05 W on specified circuit board
  • Operating temperature: -40 to 85 °C
  • Storage temperature: -55 to 150 °C
  • Junction temperature: 150 °C
  • Recommended supply voltage: 12 V
  • Operating supply voltage: 4.5 to 18.0 V
  • Output voltage (source): 13 to 17 V
  • Output voltage (sink): 5 to 13 V
  • VCO oscillation frequency: 930 Hz to 86 kHz
  • Thermal shutdown temperature: 150 °C with hysteresis of 15 °C
  • Package: SSOP24J (275 mil)
  • Dimensions: 76.1 mm x 114.3 mm x 1.6 mm
  • Application in motor control for industrial automation and appliances

Buy the ON Semiconductor Series LB11685AV Motor Driver: LB11685AV

Discover the ON Semiconductor LB11685AV, a robust three-phase sensorless motor driver IC designed for quiet and reliable operation in cooling fans and industrial automation. It provides built-in current limiting, thermal shutdown, and motor lock protection, ensuring long-lasting durability. With support for up to 12A output current, it features soft switching for reduced noise and back EMF-based FG output for precise speed detection. Easy to integrate, this compact IC is ideal for refrigerator fans and other demanding motor control applications.

Get ON Semiconductor LB11685AV today—built for efficient, sensorless three-phase motor control with thermal protection and low noise operation.

Frequently Asked Questions

Where can I buy ONSEMI LB11685AVTLMH?

You can click on the BUY or RFQ button to purchase LB11685AVTLMH from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part LB11685AVTLMH?

You can download the LB11685AVTLMH datasheet or visit the ONSEMI website for support.

Who is the manufacturer of LB11685AVTLMH?

ONSEMI

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