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The LA6581U-TE-L-E is a single-phase full-wave fan motor driver manufactured by Sanyo Semiconductor. It operates within a voltage range of 2.2V to 16V and utilizes an 8-pin Micro T/R package. The device functions as a BTL driver for single-phase bipolar fan motors, designed for low-saturation output linear driving. It is characterized by quiet operation, low power consumption, and high efficiency drive capabilities.
Verify the manufacturer designation, as this component is associated with both Sanyo Semiconductor and ON Semiconductor due to corporate acquisitions. Confirm the specific package type (Micro T/R or MSOP-8J) matches your PCB footprint requirements. Check for product discontinuance notices, as related parts in the series have been subject to obsolescence announcements. Ensure RoHS compliance status aligns with current regulatory standards for your target market.
Select this component when designing circuits for single-phase bipolar fans requiring a compact solution. The low operating voltage range suits battery-powered or low-voltage applications. Consider the thermal performance inherent to linear drivers if heat dissipation is a constraint in the enclosure design. Verify that the required drive current does not exceed the device's continuous rating for reliable long-term operation.
This part belongs to the LA6581 series of motor drivers. Related variants include the LA6581T and LA6581MC. The series is known for integrating BTL driver circuits into a small form factor. Discontinuation notices from 2012 indicate potential availability shifts for older stock, necessitating careful supply chain verification for new production runs.
Public confirmed substitute part numbers are not explicitly listed in the provided documentation. The LA6581MC is mentioned in discontinuance lists but its direct interchangeability requires datasheet comparison. Consult official manufacturer resources for qualified replacements.