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Product Detailed Parameters
- Description：IC MOTOR DRIVER 4.5V-18V 24SSOP
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Bulk
- Motor Type - Stepper：-
- Motor Type - AC, DC：Brushless DC (BLDC)
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：Half Bridge (3)
- Interface：Parallel
- Technology：Bipolar
- Step Resolution：-
- Applications：General Purpose
- Current - Output：1.2A
- Voltage - Supply：4.5V ~ 18V
- Voltage - Load：4.5V ~ 18V
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：24-LSOP (0.220", 5.60mm Width)
- Supplier Device Package：24-SSOP-J
- Grade：-
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Overview
The LB11685AV-W-AH is a three-phase brushless DC motor controller manufactured by onsemi. It is designed to drive BLDC motors with a continuous current capability of 1.2A. The device integrates the necessary logic and power stages for efficient motor operation. It is housed in a 24-pin PDSO package, providing a compact solution for motion control applications requiring precise speed and position regulation without external complex circuitry.
Feature Summary
- Integrated three-phase bridge driver for direct BLDC motor connection
- Built-in commutation logic eliminating need for external microcontroller for basic operation
- Designed for low electromagnetic interference (EMI) performance
Applications
- Home appliance fan motors
- Computer cooling systems
- Industrial ventilation units
Procurement Notes
Verify component authenticity through authorized onsemi distributors or certified partners. Confirm the specific suffix -W-AH matches design requirements. Check for obsolescence status as indicated by some sources. Ensure ESD handling protocols are followed during installation. Validate electrical parameters against the official datasheet before finalizing procurement.
Selection Notes
Select this component when a dedicated three-phase BLDC controller is required. Consider the 1.2A current limit for appropriate motor sizing. Evaluate the 24-pin package constraints for PCB layout. Compare against alternative series if higher current or different integration levels are needed. Verify voltage ratings match the system supply.
Part Context
This part belongs to the LB11685AV series from onsemi, focusing on motion control electronics. It is categorized under motor drivers and controllers. The series targets applications needing reliable brushless DC motor management. It sits within onsemi's broader portfolio of power management and signal processing solutions.
Replacement Considerations
The LB11685AV-TLM is listed as a parametric equivalent substitute. Verify pin compatibility and electrical specifications before substitution. Check for any functional differences in the replacement part.
